v3.21.1

Statements of Cash Flows - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Cash flow from operating activities |  |  |  |
Net income (loss) |  | $ (884,410,686) | $ (31,772,365) | [1]
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 |  | (3,414,460,174) | (1,271,770,647) | [1]
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 2,422,995,930 | 1,721,389,895 | [1]
Net amortization and accretion on short-term U.S. government and agency obligations |  | (358,976) | (4,035,875) | [1]
Net realized gain (loss) on investments |  | (19,761) | (176,434) | [1]
Change in unrealized appreciation (depreciation) on investments |  | 132,736,805 | 337,952,784 | [1]
Decrease (Increase) in securities sold receivable | [1] |  | 3,883 |
Decrease (Increase) in receivable on futures contracts |  | (23,776,916) | (146,056,402) | [1]
Decrease (Increase) in interest receivable |  | (105,237) | 153,339 | [1]
Increase (Decrease) in payable to Sponsor |  | 637,842 | 2,222,523 | [1]
Increase (Decrease) in brokerage commissions and fees payable |  | 397,470 |  |
Increase (Decrease) in payable on futures contracts |  | 17,409,669 | (1,490,423) | [1]
Increase (Decrease) in securities purchased payable |  | 38,977,944 |  |
Net cash provided by (used in) operating activities |  | (1,709,976,090) | 606,420,278 | [1]
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 3,079,449,757 | 2,985,264,602 | [1]
Payment on shares redeemed |  | (2,105,182,292) | (2,643,315,875) | [1]
Net cash provided by (used in) financing activities |  | 974,267,465 | 341,948,727 | [1]
Net increase (decrease) in cash |  | (735,708,625) | 948,369,005 | [1]
Cash, beginning of period |  | 3,256,463,457 | 1,190,195,205 | [1]
Cash, end of period | [2] | 2,520,754,832 | 2,138,564,210 | [1]
ProShares Short Euro [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 139,397 | 50,648 |
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 |  | (1,999,562) |  |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 1,000,000 | 747,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (323) | (1,225) |
Change in unrealized appreciation (depreciation) on investments |  | (88) | 30 |
Decrease (Increase) in receivable on futures contracts |  | 21,094 | (2,975) |
Decrease (Increase) in interest receivable |  | 108 | 840 |
Increase (Decrease) in payable to Sponsor |  | (820) | 1,785 |
Increase (Decrease) in payable on futures contracts |  | 1,125 | (5,100) |
Net cash provided by (used in) operating activities |  | (839,069) | 791,003 |
Cash flow from financing activities |  |  |  |
Payment on shares redeemed |  | (2,146,812) |  |
Net cash provided by (used in) financing activities |  | (2,146,812) |  |
Net increase (decrease) in cash |  | (2,985,881) | 791,003 |
Cash, beginning of period |  | 4,174,091 | 1,540,916 |
Cash, end of period |  | 1,188,210 | 2,331,919 |
ProShares Short VIX Short-Term Futures ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 64,892,169 | (223,600,542) |
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 |  | (166,972,737) | (149,679,751) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 145,000,000 | 115,000,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (22,858) | (301,095) |
Change in unrealized appreciation (depreciation) on investments |  | (3,226) | (81,856) |
Decrease (Increase) in receivable on futures contracts |  | (10,518,387) | (102,545,073) |
Decrease (Increase) in interest receivable |  | (625) | 45,308 |
Increase (Decrease) in payable to Sponsor |  | 58,097 | 431,086 |
Increase (Decrease) in brokerage commissions and fees payable |  | 7,205 |  |
Increase (Decrease) in payable on futures contracts |  | (996,159) |  |
Net cash provided by (used in) operating activities |  | 31,443,479 | (360,731,923) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 98,109,468 | 883,568,508 |
Payment on shares redeemed |  | (45,242,254) | (135,147,487) |
Net cash provided by (used in) financing activities |  | 52,867,214 | 748,421,021 |
Net increase (decrease) in cash |  | 84,310,693 | 387,689,098 |
Cash, beginning of period |  | 266,579,220 | 167,544,087 |
Cash, end of period |  | 350,889,913 | 555,233,185 |
ProShares Ultra Bloomberg Crude Oil [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 366,627,737 | (827,570,574) |
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 |  | (934,851,425) | (309,822,847) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 465,000,000 | 335,391,900 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (85,197) | (983,931) |
Net realized gain (loss) on investments |  |  | (37,469) |
Change in unrealized appreciation (depreciation) on investments |  | 58,949,216 | 248,707,943 |
Decrease (Increase) in receivable on futures contracts |  | 1,611,608 | (3,375,450) |
Decrease (Increase) in interest receivable |  | (122,413) | 26,297 |
Increase (Decrease) in payable to Sponsor |  | 260,388 | 366,309 |
Increase (Decrease) in brokerage commissions and fees payable |  | 1,352 |  |
Increase (Decrease) in payable on futures contracts |  | 25,300,245 | 25,747 |
Net cash provided by (used in) operating activities |  | (17,308,489) | (557,272,075) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 117,044,190 | 972,270,720 |
Payment on shares redeemed |  | (301,460,018) | (105,010,791) |
Net cash provided by (used in) financing activities |  | (184,415,828) | 867,259,929 |
Net increase (decrease) in cash |  | (201,724,317) | 309,987,854 |
Cash, beginning of period |  | 667,259,596 | 88,315,563 |
Cash, end of period |  | 465,535,279 | 398,303,417 |
ProShares Ultra Bloomberg Natural Gas [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 23,368,923 | (27,257,939) |
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 |  | (88,986,855) | (24,903,944) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 84,999,676 | 36,564,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (9,576) | (96,553) |
Net realized gain (loss) on investments |  | (551) | (1,054) |
Change in unrealized appreciation (depreciation) on investments |  | (1,915) | (29,786) |
Decrease (Increase) in receivable on futures contracts |  | 13,775,851 | 37,024 |
Decrease (Increase) in interest receivable |  | 3,558 | 6,493 |
Increase (Decrease) in payable to Sponsor |  | (76,137) | 23,126 |
Increase (Decrease) in brokerage commissions and fees payable |  | 13,490 |  |
Increase (Decrease) in payable on futures contracts |  | 798,217 | 1,533,810 |
Net cash provided by (used in) operating activities |  | 33,884,681 | (14,124,823) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 76,480,823 | 15,680,240 |
Payment on shares redeemed |  | (203,242,570) | (6,910,889) |
Net cash provided by (used in) financing activities |  | (126,761,747) | 8,769,351 |
Net increase (decrease) in cash |  | (92,877,066) | (5,355,472) |
Cash, beginning of period |  | 137,292,722 | 17,619,062 |
Cash, end of period |  | 44,415,656 | 12,263,590 |
ProShares Ultra Euro [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (347,888) | (271,563) |
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 |  | (1,999,562) | (1,395,795) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 1,000,000 | 5,375,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (323) | (9,001) |
Change in unrealized appreciation (depreciation) on investments |  | 311,052 | 221,542 |
Decrease (Increase) in interest receivable |  | 92 | (485) |
Increase (Decrease) in payable to Sponsor |  | (614) | 2,766 |
Net cash provided by (used in) operating activities |  | (1,037,243) | 3,922,464 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  |  | 669,855 |
Payment on shares redeemed |  | (777,738) | (1,995,276) |
Net cash provided by (used in) financing activities |  | (777,738) | (1,325,421) |
Net increase (decrease) in cash |  | (1,814,981) | 2,597,043 |
Cash, beginning of period |  | 4,652,092 | 2,127,437 |
Cash, end of period |  | 2,837,111 | 4,724,480 |
ProShares Ultra Gold [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (53,060,060) | 2,509,604 |
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 |  | (206,969,781) | (60,782,344) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 194,999,771 | 96,257,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (27,375) | (236,284) |
Net realized gain (loss) on investments |  | (245) |  |
Change in unrealized appreciation (depreciation) on investments |  | (1,021,246) | 15,459,124 |
Decrease (Increase) in receivable on futures contracts |  | (1,456,440) | 170,073 |
Decrease (Increase) in interest receivable |  | 4,186 | (8,574) |
Increase (Decrease) in payable to Sponsor |  | (30,328) | 117,996 |
Increase (Decrease) in brokerage commissions and fees payable |  | 9,172 |  |
Increase (Decrease) in payable on futures contracts |  |  | 1,978,828 |
Net cash provided by (used in) operating activities |  | (67,552,346) | 55,465,423 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 37,062,261 | 64,993,775 |
Payment on shares redeemed |  | (32,994,618) | (49,747,615) |
Net cash provided by (used in) financing activities |  | 4,067,643 | 15,246,160 |
Net increase (decrease) in cash |  | (63,484,703) | 70,711,583 |
Cash, beginning of period |  | 183,452,109 | 38,526,723 |
Cash, end of period |  | 119,967,406 | 109,238,306 |
ProShares Ultra Silver [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (134,574,814) | (88,482,653) |
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 |  | (684,892,324) | (113,569,175) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 509,999,794 | 188,705,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (77,206) | (472,102) |
Net realized gain (loss) on investments |  | (191) |  |
Change in unrealized appreciation (depreciation) on investments |  | 85,151,748 | 80,812,245 |
Decrease (Increase) in receivable on futures contracts |  | (1,465,450) | (51,960) |
Decrease (Increase) in interest receivable |  | 6,065 | 33,357 |
Increase (Decrease) in payable to Sponsor |  | (29,124) | 116,819 |
Increase (Decrease) in brokerage commissions and fees payable |  | 45,354 |  |
Increase (Decrease) in payable on futures contracts |  | (147,416) | 91,879 |
Net cash provided by (used in) operating activities |  | (225,983,564) | 67,183,410 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 116,265,208 | 12,321,941 |
Payment on shares redeemed |  | (158,627,600) | (35,148,766) |
Net cash provided by (used in) financing activities |  | (42,362,392) | (22,826,825) |
Net increase (decrease) in cash |  | (268,345,956) | 44,356,585 |
Cash, beginning of period |  | 446,401,960 | 79,058,662 |
Cash, end of period |  | 178,056,004 | 123,415,247 |
ProShares Ultra VIX Short-Term Futures ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (996,928,384) | 901,872,881 |
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 |  | (811,866,867) | (198,455,580) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 679,996,765 | 260,000,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (81,137) | (652,333) |
Net realized gain (loss) on investments |  | (18,520) |  |
Change in unrealized appreciation (depreciation) on investments |  | (44,252) | 21,839,039 |
Decrease (Increase) in receivable on futures contracts |  | (22,894,994) | (40,866,835) |
Decrease (Increase) in interest receivable |  | 423 | (33,608) |
Increase (Decrease) in payable to Sponsor |  | 312,325 | 566,652 |
Increase (Decrease) in brokerage commissions and fees payable |  | 249,748 |  |
Increase (Decrease) in payable on futures contracts |  | (9,772,407) | (857,523) |
Increase (Decrease) in securities purchased payable |  | 38,977,944 |  |
Net cash provided by (used in) operating activities |  | (1,122,069,356) | 943,412,693 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 1,988,229,419 | 359,177,711 |
Payment on shares redeemed |  | (1,014,045,676) | (1,195,778,603) |
Net cash provided by (used in) financing activities |  | 974,183,743 | (836,600,892) |
Net increase (decrease) in cash |  | (147,885,613) | 106,811,801 |
Cash, beginning of period |  | 1,069,671,996 | 361,561,329 |
Cash, end of period |  | 921,786,383 | 468,373,130 |
ProShares Ultra Yen [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (401,805) | (26,170) |
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 |  | (499,849) | (99,700) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  |  | 1,911,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (93) | (3,270) |
Change in unrealized appreciation (depreciation) on investments |  | 256,045 | 19,313 |
Decrease (Increase) in interest receivable |  | 27 | 3,174 |
Increase (Decrease) in payable to Sponsor |  | (213) | (176) |
Net cash provided by (used in) operating activities |  | (645,888) | 1,804,171 |
Cash flow from financing activities |  |  |  |
Payment on shares redeemed |  |  | (2,746,014) |
Net cash provided by (used in) financing activities |  |  | (2,746,014) |
Net increase (decrease) in cash |  | (645,888) | (941,843) |
Cash, beginning of period |  | 2,924,696 | 3,783,138 |
Cash, end of period |  | 2,278,808 | 2,841,295 |
ProShares UltraShort Australian Dollar [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 36,241 | 1,621,755 |
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 |  |  | (498,498) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  |  | 4,436,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  |  | (6,234) |
Change in unrealized appreciation (depreciation) on investments |  |  | 206 |
Decrease (Increase) in receivable on futures contracts |  |  | (21,755) |
Decrease (Increase) in interest receivable |  | 31 | (2,493) |
Increase (Decrease) in payable to Sponsor |  | (596) | 5,702 |
Increase (Decrease) in payable on futures contracts |  | (3,718) | (37,725) |
Net cash provided by (used in) operating activities |  | 31,958 | 5,496,958 |
Cash flow from financing activities |  |  |  |
Net increase (decrease) in cash |  | 31,958 | 5,496,958 |
Cash, beginning of period |  | 2,234,027 | 1,717,873 |
Cash, end of period |  | 2,265,985 | 7,214,831 |
ProShares UltraShort Bloomberg Crude Oil [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (43,840,105) | 128,224,646 |
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 |  | (59,990,524) | (32,897,274) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 25,000,000 | 88,246,647 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (6,348) | (146,748) |
Net realized gain (loss) on investments |  |  | 20 |
Change in unrealized appreciation (depreciation) on investments |  | (2,210) | (21,744,277) |
Decrease (Increase) in receivable on futures contracts |  | (2,690,988) | 1,144,404 |
Decrease (Increase) in interest receivable |  | 2,099 | 26,150 |
Increase (Decrease) in payable to Sponsor |  | (7,303) | 26,465 |
Increase (Decrease) in brokerage commissions and fees payable |  | 25,647 |  |
Increase (Decrease) in payable on futures contracts |  | 166,417 | 953,702 |
Net cash provided by (used in) operating activities |  | (81,343,315) | 163,833,735 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 64,302,979 | 67,838,424 |
Payment on shares redeemed |  | (25,583,717) | (222,259,090) |
Net cash provided by (used in) financing activities |  | 38,719,262 | (154,420,666) |
Net increase (decrease) in cash |  | (42,624,053) | 9,413,069 |
Cash, beginning of period |  | 97,113,373 | 61,909,177 |
Cash, end of period |  | 54,489,320 | 71,322,246 |
ProShares UltraShort Bloomberg Natural Gas [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 9,275,263 | 8,939,509 |
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 |  | (53,993,457) | (2,990,772) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 20,000,000 | 7,160,924 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (3,966) | (14,617) |
Change in unrealized appreciation (depreciation) on investments |  | (1,517) | (625) |
Decrease (Increase) in receivable on futures contracts |  | (607,891) | (714,526) |
Decrease (Increase) in interest receivable |  | (694) | (130) |
Increase (Decrease) in payable to Sponsor |  | 43,590 | 11,592 |
Increase (Decrease) in brokerage commissions and fees payable |  | 427 |  |
Increase (Decrease) in payable on futures contracts |  | (1,543,700) | (6,826) |
Net cash provided by (used in) operating activities |  | (26,831,945) | 12,384,529 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 142,050,186 | 29,104,581 |
Payment on shares redeemed |  | (109,448,096) | (33,139,760) |
Net cash provided by (used in) financing activities |  | 32,602,090 | (4,035,179) |
Net increase (decrease) in cash |  | 5,770,145 | 8,349,350 |
Cash, beginning of period |  | 19,147,382 | 7,370,891 |
Cash, end of period |  | 24,917,527 | 15,720,241 |
ProShares UltraShort Euro [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 4,345,892 | 4,373,749 |
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 |  | (41,994,414) | (56,787,039) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 34,000,000 | 105,685,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (4,421) | (251,364) |
Change in unrealized appreciation (depreciation) on investments |  | (4,392,237) | (3,190,251) |
Decrease (Increase) in interest receivable |  | 1,228 | 27,885 |
Increase (Decrease) in payable to Sponsor |  | 1,273 | 67,380 |
Net cash provided by (used in) operating activities |  | (8,042,679) | 49,925,360 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 4,613,244 | 5,754,066 |
Payment on shares redeemed |  | (6,980,338) | (33,413,625) |
Net cash provided by (used in) financing activities |  | (2,367,094) | (27,659,559) |
Net increase (decrease) in cash |  | (10,409,773) | 22,265,801 |
Cash, beginning of period |  | 44,132,228 | 44,280,278 |
Cash, end of period |  | 33,722,455 | 66,546,079 |
ProShares UltraShort Gold [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 3,754,465 | (3,238,230) |
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 |  | (18,997,037) | (6,983,176) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 5,999,936 | 17,371,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (1,516) | (31,387) |
Net realized gain (loss) on investments |  | (169) |  |
Change in unrealized appreciation (depreciation) on investments |  | 415,928 | (2,035,861) |
Decrease (Increase) in receivable on futures contracts |  | 1,317 | (71,561) |
Decrease (Increase) in interest receivable |  | 127 | 3,872 |
Increase (Decrease) in payable to Sponsor |  | 10,663 | 10,968 |
Increase (Decrease) in brokerage commissions and fees payable |  | 1,492 |  |
Increase (Decrease) in payable on futures contracts |  | 536,010 | 110,341 |
Net cash provided by (used in) operating activities |  | (8,278,784) | 5,135,966 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 27,291,216 | 7,388,926 |
Payment on shares redeemed |  | (10,139,542) | (6,929,927) |
Net cash provided by (used in) financing activities |  | 17,151,674 | 458,999 |
Net increase (decrease) in cash |  | 8,872,890 | 5,594,965 |
Cash, beginning of period |  | 20,633,371 | 9,895,915 |
Cash, end of period |  | 29,506,261 | 15,490,880 |
ProShares UltraShort Silver [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 4,435,182 | 5,036,115 |
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 |  | (22,996,733) | (4,386,262) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 7,999,988 | 12,574,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (2,043) | (24,652) |
Net realized gain (loss) on investments |  | (85) |  |
Change in unrealized appreciation (depreciation) on investments |  | (3,969,541) | (2,587,449) |
Decrease (Increase) in receivable on futures contracts |  | (208,039) | (12,581) |
Decrease (Increase) in interest receivable |  | 463 | (2,333) |
Increase (Decrease) in payable to Sponsor |  | 7,144 | 13,753 |
Increase (Decrease) in brokerage commissions and fees payable |  | 3,309 |  |
Increase (Decrease) in payable on futures contracts |  | 294,893 | (9,156) |
Net cash provided by (used in) operating activities |  | (14,435,462) | 10,601,435 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 58,095,647 | 5,962,843 |
Payment on shares redeemed |  | (46,271,940) | (5,945,290) |
Net cash provided by (used in) financing activities |  | 11,823,707 | 17,553 |
Net increase (decrease) in cash |  | (2,611,755) | 10,618,988 |
Cash, beginning of period |  | 32,155,049 | 6,646,212 |
Cash, end of period |  | 29,543,294 | 17,265,200 |
ProShares UltraShort Yen [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | 4,098,358 | (1,161,843) |
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 |  | (21,496,640) | (12,760,075) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 7,000,000 | 34,374,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (2,141) | (68,691) |
Change in unrealized appreciation (depreciation) on investments |  | (2,901,742) | 697,069 |
Decrease (Increase) in interest receivable |  | 410 | 5,925 |
Increase (Decrease) in payable to Sponsor |  | 7,512 | 20,523 |
Net cash provided by (used in) operating activities |  | (13,294,243) | 21,106,908 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 7,132,412 | 3,956,753 |
Payment on shares redeemed |  |  | (11,341,060) |
Net cash provided by (used in) financing activities |  | 7,132,412 | (7,384,307) |
Net increase (decrease) in cash |  | (6,161,831) | 13,722,601 |
Cash, beginning of period |  | 24,274,564 | 12,507,112 |
Cash, end of period |  | 18,112,733 | 26,229,713 |
ProShares VIX Mid-Term Futures ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (4,941,006) | 23,787,315 |
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 |  | (47,992,944) | (23,530,289) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 61,000,000 | 23,000,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (5,327) | (68,368) |
Change in unrealized appreciation (depreciation) on investments |  | (1,150) | (19,740) |
Decrease (Increase) in receivable on futures contracts |  | 247,077 | (2,635,835) |
Decrease (Increase) in interest receivable |  | (856) | 22,658 |
Increase (Decrease) in payable to Sponsor |  | 8,296 | 32,113 |
Increase (Decrease) in brokerage commissions and fees payable |  | 875 |  |
Increase (Decrease) in payable on futures contracts |  | 188,562 | (1,129,877) |
Net cash provided by (used in) operating activities |  | 8,503,527 | 19,457,977 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 15,879,994 | 7,802,797 |
Payment on shares redeemed |  | (8,807,123) | (35,447,574) |
Net cash provided by (used in) financing activities |  | 7,072,871 | (27,644,777) |
Net increase (decrease) in cash |  | 15,576,398 | (8,186,800) |
Cash, beginning of period |  | 27,802,834 | 33,130,653 |
Cash, end of period |  | 43,379,232 | 24,943,853 |
ProShares VIX Short-Term Futures ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) |  | (131,290,251) | 393,784,057 |
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 |  | (247,959,463) | (137,588,047) |
Proceeds from sales or maturities of short-term U.S. government and agency obligations |  | 180,000,000 | 149,000,000 |
Net amortization and accretion on short-term U.S. government and agency obligations |  | (29,126) | (417,516) |
Change in unrealized appreciation (depreciation) on investments |  | (8,060) | (119,214) |
Decrease (Increase) in receivable on futures contracts |  | 408,326 | 770,570 |
Decrease (Increase) in interest receivable |  | 534 | (5,342) |
Increase (Decrease) in payable to Sponsor |  | 73,689 | 283,274 |
Increase (Decrease) in brokerage commissions and fees payable |  | 39,399 |  |
Increase (Decrease) in payable on futures contracts |  | 2,587,600 | (2,062,759) |
Net cash provided by (used in) operating activities |  | (196,177,352) | 403,645,023 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  | 326,892,710 | 78,257,089 |
Payment on shares redeemed |  | (139,414,250) | (518,770,322) |
Net cash provided by (used in) financing activities |  | 187,478,460 | (440,513,233) |
Net increase (decrease) in cash |  | (8,698,892) | (36,868,210) |
Cash, beginning of period |  | 206,562,147 | 194,935,341 |
Cash, end of period |  | $ 197,863,255 | $ 158,067,131 |
[1] | The operations include the activity of ProShares UltraPro 3x Crude Oil ETF and ProShares UltraPro 3x Short Crude Oil ETF through March 27, 2020, the date liquidation was determined to be imminent.
[2] | Cash, end of period includes cash balances for the liquidated funds as of March 27, 2020.

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