v3.8.0.1

Statements of Cash Flows - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
Cash flow from operating activities |  |  |  |
Net income (loss) |  | $ (509,237,969) | $ (1,169,968,345) | [1]
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | (198,200,572) | 114,083,793 | [1]
Decrease (Increase) in segregated cash balances with brokers for swap agreements |  | 0 | (27,493,000) | [1]
Decrease (Increase) in segregated cash balances with brokers for forward agreements |  | (738,500) | (12,334,000) | [1]
Decrease (Increase) in segregated cash balances with brokers for foreign currency forward contracts |  | 0 | (17,077,000) | [1]
Purchases of short-term U.S. government and agency obligations |  | (15,422,910,140) | 14,039,604,848 | [1]
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 15,297,219,736 | 13,684,559,003 | [1]
Net amortization and accretion on short-term U.S government and agency obligations |  | (16,996,897) | (6,517,397) | [1]
Net realized gain (loss) on investments |  | 60,265 | 24,164 | [1]
Change in unrealized appreciation/depreciation on investments |  | 45,891,822 | (168,952,913) | [1]
Decrease (Increase) in receivable for investments sold |  | 0 | (17,625,333) | [1]
Decrease (Increase) in receivable on futures contracts |  | (16,424,691) | 19,610,507 | [1]
Decrease (Increase) in Limitation by Sponsor |  | (37,387) | 0 | [1]
Change in offering cost |  | (142,300) | 0 | [1]
Increase (Decrease) in payable to Sponsor |  | 203,860 | 24,225 | [1]
Increase (Decrease) in brokerage commissions and fees payable |  | (2,909) | (24,694) | [1]
Increase (Decrease) in payable for counterparty |  | 0 | 1,736,880 | [1]
Increase (Decrease) in payable on futures contracts |  | 21,358,476 | 30,601,598 | [1]
Increase (Decrease) in payable for offering costs |  | 296,800 | 0 | [1]
Net cash provided by (used in) operating activities |  | (799,660,406) | (1,608,957,360) | [1]
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 7,571,567,102 | 8,446,268,126 | [1]
Payment on shares redeemed |  | (6,752,351,669) | (6,848,020,624) | [1]
Net cash provided by (used in) financing activities |  | 819,215,433 | 1,598,247,502 | [1]
Net increase (decrease) in cash |  | 19,555,027 | (10,709,858) | [1]
Cash, beginning of period |  | 39,482,599 | 48,049,225 | [1]
Cash, end of period |  | 59,037,626 | 37,339,367 | [1]
ProShares VIX Short-Term Futures ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (144,414,206) | (143,895,518) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 12,797,080 | (2,370,400) |
Purchases of short-term U.S. government and agency obligations |  | (634,948,674) | (742,783,009) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 597,015,224 | 622,882,786 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (786,305) | (324,819) |
Net realized gain (loss) on investments |  | 943 | (6,237) |
Change in unrealized appreciation/depreciation on investments |  | (6,384) | (35,549) |
Decrease (Increase) in receivable on futures contracts |  | 4,484,270 | 1,105,799 |
Increase (Decrease) in payable to Sponsor |  | (10,310) | 85,931 |
Increase (Decrease) in payable on futures contracts |  | 3,913,679 | 0 |
Net cash provided by (used in) operating activities |  | (161,954,683) | (265,341,016) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 274,586,934 | 461,486,395 |
Payment on shares redeemed |  | (112,968,055) | (195,044,482) |
Net cash provided by (used in) financing activities |  | 161,618,879 | 266,441,913 |
Net increase (decrease) in cash |  | (335,804) | 1,100,897 |
Cash, beginning of period |  | 4,536,425 | 2,124,103 |
Cash, end of period |  | 4,200,621 | 3,225,000 |
ProShares VIX Mid-Term Futures ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (19,915,385) | (7,367,544) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | (6,402,185) | (823,975) |
Purchases of short-term U.S. government and agency obligations |  | (149,796,234) | (132,528,541) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 159,492,969 | 104,309,090 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (164,138) | (63,804) |
Net realized gain (loss) on investments |  | 527 | (132) |
Change in unrealized appreciation/depreciation on investments |  | (2,167) | (9,742) |
Decrease (Increase) in receivable on futures contracts |  | 242,541 | 42,188 |
Increase (Decrease) in payable to Sponsor |  | (3,988) | 21,005 |
Increase (Decrease) in payable on futures contracts |  | 539,598 | 258,839 |
Net cash provided by (used in) operating activities |  | (16,008,462) | (36,162,616) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 22,086,339 | 48,406,580 |
Payment on shares redeemed |  | (6,918,150) | (9,794,863) |
Net cash provided by (used in) financing activities |  | 15,168,189 | 38,611,717 |
Net increase (decrease) in cash |  | (840,273) | 2,449,101 |
Cash, beginning of period |  | 1,155,115 | 671,791 |
Cash, end of period |  | 314,842 | 3,120,892 |
ProShares Short VIX Short-Term Futures ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 571,820,138 | 275,479,955 |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | (261,510,263) | 75,585,025 |
Purchases of short-term U.S. government and agency obligations |  | (3,392,906,218) | (2,235,163,421) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 2,796,704,397 | 2,324,555,238 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (3,484,888) | (848,132) |
Net realized gain (loss) on investments |  | 4,461 | 34,036 |
Change in unrealized appreciation/depreciation on investments |  | (55,837) | (62,392) |
Decrease (Increase) in receivable on futures contracts |  | (56,490,608) | (4,571,788) |
Increase (Decrease) in payable to Sponsor |  | 788,675 | (183,417) |
Increase (Decrease) in payable on futures contracts |  | (325,000) | (1,420,271) |
Net cash provided by (used in) operating activities |  | (345,455,143) | 433,404,833 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 3,330,265,694 | 2,183,650,607 |
Payment on shares redeemed |  | (2,982,562,847) | (2,616,476,208) |
Net cash provided by (used in) financing activities |  | 347,702,847 | (432,825,601) |
Net increase (decrease) in cash |  | 2,247,704 | 579,232 |
Cash, beginning of period |  | 1,850,760 | 5,150,976 |
Cash, end of period |  | 4,098,464 | 5,730,208 |
ProShares Ultra VIX Short-Term Futures ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (743,686,609) | (1,327,371,580) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 53,763,900 | 14,767,485 |
Purchases of short-term U.S. government and agency obligations |  | (2,355,267,451) | (3,719,826,671) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 2,270,464,979 | 3,505,716,134 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (1,833,411) | (1,221,489) |
Net realized gain (loss) on investments |  | 26,617 | (24,626) |
Change in unrealized appreciation/depreciation on investments |  | (34,039) | (8,737) |
Decrease (Increase) in receivable on futures contracts |  | 35,967,191 | 17,995,478 |
Increase (Decrease) in payable to Sponsor |  | (183) | 51,617 |
Increase (Decrease) in payable on futures contracts |  | 20,456,567 | 31,416,387 |
Net cash provided by (used in) operating activities |  | (720,142,439) | (1,478,506,002) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 2,095,312,098 | 3,689,719,713 |
Payment on shares redeemed |  | (1,383,528,842) | (2,208,691,466) |
Net cash provided by (used in) financing activities |  | 711,783,256 | 1,481,028,247 |
Net increase (decrease) in cash |  | (8,359,183) | 2,522,245 |
Cash, beginning of period |  | 10,969,955 | 9,081,964 |
Cash, end of period |  | 2,610,772 | 11,604,209 |
ProShares UltraShort Bloomberg Crude Oil [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 43,980,676 | (67,769,583) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | (68,640) | 3,477,760 |
Decrease (Increase) in segregated cash balances with brokers for swap agreements |  | 0 | (1,128,000) |
Purchases of short-term U.S. government and agency obligations |  | (866,640,949) | (831,968,058) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 826,679,554 | 768,766,626 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (998,438) | (345,514) |
Net realized gain (loss) on investments |  | 1,590 | 4,796 |
Change in unrealized appreciation/depreciation on investments |  | 1,457,818 | 22,951,195 |
Decrease (Increase) in receivable on futures contracts |  | (123,680) | 0 |
Increase (Decrease) in payable to Sponsor |  | (374) | 34,948 |
Increase (Decrease) in brokerage commissions and fees payable |  | 0 | (6,947) |
Increase (Decrease) in payable for counterparty |  | 0 | 1,736,880 |
Increase (Decrease) in payable on futures contracts |  | (13,602) | (34,842) |
Net cash provided by (used in) operating activities |  | 4,273,955 | (104,280,739) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 398,064,737 | 752,995,105 |
Payment on shares redeemed |  | (401,417,518) | (648,311,713) |
Net cash provided by (used in) financing activities |  | (3,352,781) | 104,683,392 |
Net increase (decrease) in cash |  | 921,174 | 402,653 |
Cash, beginning of period |  | 2,715,772 | 598,645 |
Cash, end of period |  | 3,636,946 | 1,001,298 |
Pro Shares UltraPro 3X Short Crude Oil ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | [2],[3] | (2,251,007) |  |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | [2] | (2,418,240) |  |
Decrease (Increase) in Limitation by Sponsor | [2] | (34,903) |  |
Change in offering cost | [2] | (71,150) |  |
Increase (Decrease) in payable on futures contracts | [2] | 83,153 |  |
Increase (Decrease) in payable for offering costs | [2] | 148,400 |  |
Net cash provided by (used in) operating activities | [2] | (4,543,747) |  |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | [2] | 22,510,278 |  |
Payment on shares redeemed | [2] | (4,490,543) |  |
Net cash provided by (used in) financing activities | [2] | 18,019,735 |  |
Net increase (decrease) in cash | [2] | 13,475,988 |  |
Cash, beginning of period | [2] | 0 |  |
Cash, end of period | [2] | 13,475,988 |  |
ProShares UltraShort Bloomberg Natural Gas [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 2,541,845 | 3,154,982 |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | (69,465) | 917,015 |
Purchases of short-term U.S. government and agency obligations |  | (17,971,116) | (42,200,053) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 17,897,394 | 45,636,490 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (25,909) | (16,513) |
Net realized gain (loss) on investments |  | 334 | (3,438) |
Change in unrealized appreciation/depreciation on investments |  | (249) | 75 |
Decrease (Increase) in receivable on futures contracts |  | 74,855 | (159,924) |
Increase (Decrease) in payable to Sponsor |  | 1,874 | (6,510) |
Increase (Decrease) in brokerage commissions and fees payable |  | (144) | (1,499) |
Increase (Decrease) in payable on futures contracts |  | 0 | (785,170) |
Net cash provided by (used in) operating activities |  | 2,449,419 | 6,535,455 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 9,317,576 | 37,311,510 |
Payment on shares redeemed |  | (9,976,781) | (44,580,216) |
Net cash provided by (used in) financing activities |  | (659,205) | (7,268,706) |
Net increase (decrease) in cash |  | 1,790,214 | (733,251) |
Cash, beginning of period |  | 326,631 | 1,099,140 |
Cash, end of period |  | 2,116,845 | 365,889 |
ProShares UltraShort Gold [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (11,106,123) | (30,541,862) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 2,420 | 79,370 |
Decrease (Increase) in segregated cash balances with brokers for forward agreements |  | 0 | (7,835,000) |
Purchases of short-term U.S. government and agency obligations |  | (136,758,217) | (205,754,520) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 162,560,129 | 212,008,993 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (202,119) | (118,780) |
Net realized gain (loss) on investments |  | 1,168 | 779 |
Change in unrealized appreciation/depreciation on investments |  | 71,468 | 221,629 |
Decrease (Increase) in receivable on futures contracts |  | 680 | (1,320) |
Increase (Decrease) in payable to Sponsor |  | (28,652) | (625) |
Increase (Decrease) in payable on futures contracts |  | 0 | (80) |
Net cash provided by (used in) operating activities |  | 14,540,754 | (31,941,416) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 22,375,636 | 79,236,729 |
Payment on shares redeemed |  | (35,933,118) | (47,301,845) |
Net cash provided by (used in) financing activities |  | (13,557,482) | 31,934,884 |
Net increase (decrease) in cash |  | 983,272 | (6,532) |
Cash, beginning of period |  | 120,840 | 151,638 |
Cash, end of period |  | 1,104,112 | 145,106 |
ProShares UltraShort Silver [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (1,987,990) | (31,131,286) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 1,320 | (110) |
Decrease (Increase) in segregated cash balances with brokers for forward agreements |  | (738,500) | (1,544,000) |
Purchases of short-term U.S. government and agency obligations |  | (91,865,007) | (126,343,449) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 95,552,158 | 138,366,905 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (103,284) | (71,536) |
Net realized gain (loss) on investments |  | 190 | 2,307 |
Change in unrealized appreciation/depreciation on investments |  | (768,154) | 4,256,235 |
Decrease (Increase) in receivable on futures contracts |  | 780 | 390 |
Increase (Decrease) in payable to Sponsor |  | (4,379) | (14,530) |
Increase (Decrease) in payable on futures contracts |  | 0 | 930 |
Net cash provided by (used in) operating activities |  | 87,134 | (16,478,144) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 22,025,198 | 67,362,064 |
Payment on shares redeemed |  | (20,121,187) | (51,232,577) |
Net cash provided by (used in) financing activities |  | 1,904,011 | 16,129,487 |
Net increase (decrease) in cash |  | 1,991,145 | (348,657) |
Cash, beginning of period |  | 86,051 | 514,784 |
Cash, end of period |  | 2,077,196 | 166,127 |
ProShares Short Euro [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (1,398,009) | (563,756) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 275,550 | 116,820 |
Purchases of short-term U.S. government and agency obligations |  | (45,940,009) | (42,155,511) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 53,163,769 | 44,640,933 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (57,345) | (22,846) |
Net realized gain (loss) on investments |  | 384 | (31) |
Change in unrealized appreciation/depreciation on investments |  | (404) | (1,652) |
Decrease (Increase) in receivable on futures contracts |  | 0 | 84,235 |
Increase (Decrease) in payable to Sponsor |  | (6,422) | (2,556) |
Increase (Decrease) in payable on futures contracts |  | (60,510) | 32,813 |
Net cash provided by (used in) operating activities |  | 5,977,004 | 2,128,449 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 0 | 2,109,382 |
Payment on shares redeemed |  | (6,278,641) | (4,280,745) |
Net cash provided by (used in) financing activities |  | (6,278,641) | (2,171,363) |
Net increase (decrease) in cash |  | (301,637) | (42,914) |
Cash, beginning of period |  | 2,292,012 | 1,783,802 |
Cash, end of period |  | 1,990,375 | 1,740,888 |
ProShares UltraShort Australian Dollar [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (2,765,101) | (3,070,816) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 544,720 | (845,815) |
Purchases of short-term U.S. government and agency obligations |  | (57,937,852) | (36,174,367) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 62,908,840 | 39,618,751 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (58,614) | (32,241) |
Net realized gain (loss) on investments |  | 177 | (220) |
Change in unrealized appreciation/depreciation on investments |  | (843) | (2,074) |
Decrease (Increase) in receivable on futures contracts |  | (34,800) | 52,491 |
Increase (Decrease) in payable to Sponsor |  | (6,053) | (2,874) |
Increase (Decrease) in payable on futures contracts |  | (32,340) | 79,209 |
Net cash provided by (used in) operating activities |  | 2,618,134 | (377,956) |
Cash flow from financing activities |  |  |  |
Payment on shares redeemed |  | (4,723,167) | (314) |
Net cash provided by (used in) financing activities |  | (4,723,167) | (314) |
Net increase (decrease) in cash |  | (2,105,033) | (378,270) |
Cash, beginning of period |  | 2,834,389 | 1,958,996 |
Cash, end of period |  | 729,356 | 1,580,726 |
ProShares UltraShort Euro [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (58,055,318) | (32,251,855) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for foreign currency forward contracts |  | 0 | (15,803,000) |
Purchases of short-term U.S. government and agency obligations |  | (1,194,312,964) | (1,046,594,054) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 1,313,461,466 | 1,240,067,697 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (1,452,945) | (765,698) |
Net realized gain (loss) on investments |  | 3,856 | (37) |
Change in unrealized appreciation/depreciation on investments |  | 12,255,062 | (30,468,759) |
Increase (Decrease) in payable to Sponsor |  | (115,455) | (124,210) |
Net cash provided by (used in) operating activities |  | 71,783,702 | 114,060,084 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 39,971,085 | 15,418,329 |
Payment on shares redeemed |  | (112,550,546) | (139,665,636) |
Net cash provided by (used in) financing activities |  | (72,579,461) | (124,247,307) |
Net increase (decrease) in cash |  | (795,759) | (10,187,223) |
Cash, beginning of period |  | 2,916,502 | 10,372,583 |
Cash, end of period |  | 2,120,743 | 185,360 |
ProShares UltraShort Yen [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (25,419,982) | (73,267,187) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for foreign currency forward contracts |  | 0 | (1,274,000) |
Purchases of short-term U.S. government and agency obligations |  | (919,771,798) | (627,277,970) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 1,040,131,058 | 625,696,408 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (1,072,691) | (328,442) |
Net realized gain (loss) on investments |  | 3,903 | 5,838 |
Change in unrealized appreciation/depreciation on investments |  | 7,490,982 | (14,046,211) |
Increase (Decrease) in payable to Sponsor |  | (119,571) | (12,929) |
Net cash provided by (used in) operating activities |  | 101,241,901 | (90,504,493) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 69,116,080 | 136,071,321 |
Payment on shares redeemed |  | (172,018,744) | (45,072,219) |
Net cash provided by (used in) financing activities |  | (102,902,664) | 90,999,102 |
Net increase (decrease) in cash |  | (1,660,763) | 494,609 |
Cash, beginning of period |  | 3,166,988 | 276,968 |
Cash, end of period |  | 1,506,225 | 771,577 |
ProShares Ultra Bloomberg Crude Oil [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (131,256,344) | 52,486,375 |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 5,152,400 | 20,951,260 |
Decrease (Increase) in segregated cash balances with brokers for swap agreements |  | 0 | (26,365,000) |
Purchases of short-term U.S. government and agency obligations |  | (3,682,731,284) | (2,817,353,950) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 4,009,879,074 | 2,735,827,019 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (4,436,887) | (1,497,225) |
Net realized gain (loss) on investments |  | 15,001 | 13,583 |
Change in unrealized appreciation/depreciation on investments |  | 14,526,037 | (143,032,968) |
Decrease (Increase) in receivable for investments sold |  | 0 | (17,625,333) |
Decrease (Increase) in receivable on futures contracts |  | (503,050) | 1,997,369 |
Increase (Decrease) in payable to Sponsor |  | (283,900) | 59,439 |
Increase (Decrease) in brokerage commissions and fees payable |  | (2,332) | (14,848) |
Increase (Decrease) in payable on futures contracts |  | (1,993,438) | 0 |
Net cash provided by (used in) operating activities |  | 208,365,277 | (194,554,279) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 1,105,174,037 | 879,143,549 |
Payment on shares redeemed |  | (1,311,385,792) | (683,302,233) |
Net cash provided by (used in) financing activities |  | (206,211,755) | 195,841,316 |
Net increase (decrease) in cash |  | 2,153,522 | 1,287,037 |
Cash, beginning of period |  | 1,401,555 | 4,008,379 |
Cash, end of period |  | 3,555,077 | 5,295,416 |
ProShares UltraPro 3x Crude Oil ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | [2],[3] | 4,311,546 |  |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | [2] | (1,161,600) |  |
Decrease (Increase) in receivable on futures contracts | [2] | (42,870) |  |
Decrease (Increase) in Limitation by Sponsor | [2] | (2,484) |  |
Change in offering cost | [2] | (71,150) |  |
Increase (Decrease) in payable for offering costs | [2] | 148,400 |  |
Net cash provided by (used in) operating activities | [2] | 3,181,842 |  |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | [2] | 29,606,619 |  |
Payment on shares redeemed | [2] | (26,336,701) |  |
Net cash provided by (used in) financing activities | [2] | 3,269,918 |  |
Net increase (decrease) in cash | [2] | 6,451,760 |  |
Cash, beginning of period | [2] | 0 |  |
Cash, end of period | [2] | 6,451,760 |  |
ProShares Ultra Bloomberg Natural Gas [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (24,739,514) | (1,442,007) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 888,691 | 1,947,056 |
Purchases of short-term U.S. government and agency obligations |  | (172,712,634) | (89,354,690) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 166,176,382 | 90,362,175 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (199,874) | (45,257) |
Net realized gain (loss) on investments |  | 1,126 | 405 |
Change in unrealized appreciation/depreciation on investments |  | (1,284) | (1,913) |
Decrease (Increase) in receivable on futures contracts |  | 0 | 3,065,769 |
Increase (Decrease) in payable to Sponsor |  | 1,153 | 3,356 |
Increase (Decrease) in brokerage commissions and fees payable |  | (433) | (1,236) |
Increase (Decrease) in payable on futures contracts |  | (1,208,911) | 1,073,868 |
Net cash provided by (used in) operating activities |  | (31,795,298) | 5,607,526 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 66,608,730 | 24,550,026 |
Payment on shares redeemed |  | (34,012,985) | (30,208,996) |
Net cash provided by (used in) financing activities |  | 32,595,745 | (5,658,970) |
Net increase (decrease) in cash |  | 800,447 | (51,444) |
Cash, beginning of period |  | 971,442 | 1,411,137 |
Cash, end of period |  | 1,771,889 | 1,359,693 |
ProShares Ultra Gold [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 19,215,714 | 33,009,471 |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 2,420 | (3,630) |
Decrease (Increase) in segregated cash balances with brokers for forward agreements |  | 0 | (394,000) |
Purchases of short-term U.S. government and agency obligations |  | (364,397,565) | (268,415,817) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 358,392,755 | 238,529,754 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (531,747) | (178,730) |
Net realized gain (loss) on investments |  | (487) | (296) |
Change in unrealized appreciation/depreciation on investments |  | 4,015,405 | 211,627 |
Decrease (Increase) in receivable on futures contracts |  | 0 | 80 |
Increase (Decrease) in payable to Sponsor |  | 4,339 | 21,293 |
Increase (Decrease) in payable on futures contracts |  | (500) | 1,780 |
Net cash provided by (used in) operating activities |  | 16,700,334 | 2,781,532 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 14,435,007 | 6,445,287 |
Payment on shares redeemed |  | (32,209,526) | (9,370,304) |
Net cash provided by (used in) financing activities |  | (17,774,519) | (2,925,017) |
Net increase (decrease) in cash |  | (1,074,185) | (143,485) |
Cash, beginning of period |  | 1,262,351 | 251,524 |
Cash, end of period |  | 188,166 | 108,039 |
ProShares Ultra Silver [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 12,618,627 | 183,004,081 |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 1,320 | 5,610 |
Decrease (Increase) in segregated cash balances with brokers for forward agreements |  | 0 | (2,561,000) |
Purchases of short-term U.S. government and agency obligations |  | (1,281,165,030) | (980,153,795) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 1,307,344,193 | 837,326,976 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (1,496,972) | (587,744) |
Net realized gain (loss) on investments |  | 524 | (2,562) |
Change in unrealized appreciation/depreciation on investments |  | 7,256,172 | (9,833,717) |
Decrease (Increase) in receivable on futures contracts |  | 0 | (260) |
Increase (Decrease) in payable to Sponsor |  | (13,453) | 112,343 |
Increase (Decrease) in payable on futures contracts |  | (220) | (1,875) |
Net cash provided by (used in) operating activities |  | 44,545,161 | 27,308,057 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 31,641,699 | 55,483,218 |
Payment on shares redeemed |  | (75,235,084) | (82,652,813) |
Net cash provided by (used in) financing activities |  | (43,593,385) | (27,169,595) |
Net increase (decrease) in cash |  | 951,776 | 138,462 |
Cash, beginning of period |  | 1,664,601 | 243,900 |
Cash, end of period |  | 2,616,377 | 382,362 |
ProShares Ultra Euro [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 3,005,110 | 447,353 |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Purchases of short-term U.S. government and agency obligations |  | (40,818,978) | (36,177,928) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 41,785,306 | 38,263,779 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (69,923) | (18,054) |
Net realized gain (loss) on investments |  | (134) | (153) |
Change in unrealized appreciation/depreciation on investments |  | (364,855) | 654,956 |
Increase (Decrease) in payable to Sponsor |  | 398 | (2,532) |
Net cash provided by (used in) operating activities |  | 3,536,924 | 3,167,421 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 18,469,355 | 831,691 |
Payment on shares redeemed |  | (19,683,442) | (4,027,778) |
Net cash provided by (used in) financing activities |  | (1,214,087) | (3,196,087) |
Net increase (decrease) in cash |  | 2,322,837 | (28,666) |
Cash, beginning of period |  | 606,393 | 227,310 |
Cash, end of period |  | 2,929,230 | 198,644 |
ProShares Ultra Yen [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 263,963 | 1,970,080 |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Purchases of short-term U.S. government and agency obligations |  | (16,968,160) | (19,949,134) |
Proceeds from sales or maturities of short-term U.S government and agency obligations |  | 17,610,089 | 17,932,716 |
Net amortization and accretion on short-term U.S government and agency obligations |  | (21,407) | (11,808) |
Net realized gain (loss) on investments |  | 85 | (72) |
Change in unrealized appreciation/depreciation on investments |  | 53,094 | 267,574 |
Increase (Decrease) in payable to Sponsor |  | 161 | 1,405 |
Net cash provided by (used in) operating activities |  | 937,825 | 210,761 |
Cash flow from financing activities |  |  |  |
Payment on shares redeemed |  | 0 | (199) |
Net cash provided by (used in) financing activities |  | 0 | (199) |
Net increase (decrease) in cash |  | 937,825 | 210,562 |
Cash, beginning of period |  | 604,691 | 147,371 |
Cash, end of period |  | $ 1,542,516 | $ 357,933 |
[1] | The operations include the activity of ProShares Managed Futures Strategy through March 30, 2016, and ProShares Ultra Commodity Fund and ProShares UltraShort Commodity Fund through September 1, 2016 (dates of liquidation). See Note 1.
[2] | Since the Fund's inception date was January 13, 2017, the Statement of Cash Flows for the nine months ended September 30, 2016 has not been provided. See Note 1.
[3] | Since the Fund's inception date was January 13, 2017, the Statements of Operations for the three and nine months ended September 30, 2016 have not been provided. See Note 1.

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