v2.4.0.6

STATEMENTS OF CASH FLOWS (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
ProShares UltraShort DJ-UBS Commodity [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | $ 60,032 |  | $ (305,928) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Net sale (purchase) of short-term U.S. government and agency obligations | (259,095) |  | 25,255 |
Change in unrealized appreciation/depreciation on investments | 241,608 |  | 360,735 |
Increase (Decrease) in management fee payable | 2,437 |  | (548) |
Net cash provided by (used in) operating activities | 44,982 |  | 79,514 |
Cash flow from financing activities |  |  |  |
Net increase (decrease) in cash | 44,982 |  | 79,514 |
Cash, beginning of period | 296,119 |  | 9,060 |
Cash, end of period | 341,101 |  | 88,574 |
ProShares UltraShort DJ-UBS Crude Oil [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | (7,948,186) |  | (5,062,988) |
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 | (3,162,226) |  | 1,044,882 |
Net sale (purchase) of short-term U.S. government and agency obligations | (58,428,161) |  | (26,915,022) |
Change in unrealized appreciation/depreciation on investments | 5,762,292 |  | (153,509) |
Decrease (Increase) in receivable on futures contracts |  |  | 576,597 |
Increase (Decrease) in management fee payable | 176,430 |  | 17,467 |
Increase (Decrease) in payable on futures contracts | 371,637 |  |  |
Net cash provided by (used in) operating activities | (63,228,214) |  | (30,492,573) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 91,804,047 |  | 77,519,159 |
Payment on shares redeemed | (28,133,016) |  | (46,972,250) |
Net cash provided by (used in) financing activities | 63,671,031 |  | 30,546,909 |
Net increase (decrease) in cash | 442,817 |  | 54,336 |
Cash, beginning of period | 658,676 |  | 265,258 |
Cash, end of period | 1,101,493 |  | 319,594 |
ProShares UltraShort DJ-UBS Natural Gas [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | (5,723,203) |  | 10,323,749 |
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 | (1,092,470) |  | (4,434,345) |
Net sale (purchase) of short-term U.S. government and agency obligations | (11,150,709) |  | (12,495,686) |
Change in unrealized appreciation/depreciation on investments | 224 |  | (388) |
Decrease (Increase) in receivable on futures contracts | 190,419 |  | (154,659) |
Change in offering cost |  |  | 6,619 |
Increase (Decrease) in management fee payable | 13,807 |  | 22,486 |
Net cash provided by (used in) operating activities | (17,761,932) |  | (6,732,224) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 19,490,998 |  | 13,524,375 |
Payment on shares redeemed | (1,383,116) |  | (8,965,130) |
Net cash provided by (used in) financing activities | 18,107,882 |  | 4,559,245 |
Net increase (decrease) in cash | 345,950 |  | (2,172,979) |
Cash, beginning of period | 310,060 |  | 2,969,266 |
Cash, end of period | 656,010 |  | 796,287 |
ProShares UltraShort Gold [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | 5,680,363 |  | (34,950,193) |
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 | 2,970 |  | 920 |
Net sale (purchase) of short-term U.S. government and agency obligations | (19,580,879) |  | 18,080,638 |
Change in unrealized appreciation/depreciation on investments | 6,975,338 |  | 33,023,665 |
Decrease (Increase) in receivable on futures contracts | (2,300) |  |  |
Increase (Decrease) in management fee payable | 78,554 |  | (7,828) |
Increase (Decrease) in payable on futures contracts | (3,980) |  |  |
Net cash provided by (used in) operating activities | (6,849,934) |  | 16,147,202 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 16,775,145 |  |  |
Payment on shares redeemed | (9,881,815) |  | (16,183,375) |
Net cash provided by (used in) financing activities | 6,893,330 |  | (16,183,375) |
Net increase (decrease) in cash | 43,396 |  | (36,173) |
Cash, beginning of period | 175,194 |  | 330,841 |
Cash, end of period | 218,590 |  | 294,668 |
ProShares UltraShort Silver [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | 9,909,222 |  | (70,505,864) |
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 | 3,300 |  | 6,470 |
Net sale (purchase) of short-term U.S. government and agency obligations | (19,143,896) |  | 33,342,943 |
Change in unrealized appreciation/depreciation on investments | 19,055,751 |  | 34,284,905 |
Decrease (Increase) in receivable on futures contracts | (2,890) |  |  |
Increase (Decrease) in management fee payable | 89,524 |  | (1,953) |
Increase (Decrease) in payable on futures contracts | (2,520) |  |  |
Net cash provided by (used in) operating activities | 9,908,491 |  | (2,873,499) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 27,224,574 |  | 164,481,213 |
Payment on shares redeemed | (37,049,487) |  | (161,525,409) |
Net cash provided by (used in) financing activities | (9,824,913) |  | 2,955,804 |
Net increase (decrease) in cash | 83,578 |  | 82,305 |
Cash, beginning of period | 344,378 |  | 648,166 |
Cash, end of period | 427,956 |  | 730,471 |
ProShares Short Euro [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | 100,346 | [1],[2] |  |
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 | 3,850 | [2] |  |
Net sale (purchase) of short-term U.S. government and agency obligations | 37,779 | [2] |  |
Change in unrealized appreciation/depreciation on investments | 160 | [2] |  |
Decrease (Increase) in receivable on futures contracts | 6,612 | [2] |  |
Change in offering cost | 10,110 | [2] |  |
Decrease (Increase) in Limitation by Sponsor | (1,307) | [2] |  |
Increase (Decrease) in payable on futures contracts | 12,300 | [2] |  |
Net cash provided by (used in) operating activities | 169,850 | [2] |  |
Cash flow from financing activities |  |  |  |
Net increase (decrease) in cash | 169,850 | [2] |  |
Cash, beginning of period | 302,359 | [2] |  |
Cash, end of period | 472,209 | [2] |  |
ProShares UltraShort Australian Dollar [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | (91,823) | [3],[4] |  |
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 | 27,390 | [4] |  |
Net sale (purchase) of short-term U.S. government and agency obligations | (27,222) | [4] |  |
Change in unrealized appreciation/depreciation on investments | 159 | [4] |  |
Decrease (Increase) in receivable on futures contracts | (21,300) | [4] |  |
Change in offering cost | 10,110 | [4] |  |
Decrease (Increase) in Limitation by Sponsor | (1,341) | [4] |  |
Increase (Decrease) in payable on futures contracts | (10,950) | [4] |  |
Net cash provided by (used in) operating activities | (114,977) | [4] |  |
Cash flow from financing activities |  |  |  |
Net increase (decrease) in cash | (114,977) | [4] |  |
Cash, beginning of period | 361,157 | [4] |  |
Cash, end of period | 246,180 | [4] |  |
ProShares UltraShort Euro [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | 22,769,095 |  | (61,792,796) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Net sale (purchase) of short-term U.S. government and agency obligations | 46,239,280 |  | 161,336,519 |
Change in unrealized appreciation/depreciation on investments | (26,812,281) |  | 98,451,110 |
Increase (Decrease) in management fee payable | 258,112 |  | (145,931) |
Net cash provided by (used in) operating activities | 42,454,206 |  | 197,848,902 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 40,321,956 |  | 62,553,620 |
Payment on shares redeemed | (82,800,121) |  | (260,060,197) |
Net cash provided by (used in) financing activities | (42,478,165) |  | (197,506,577) |
Net increase (decrease) in cash | (23,959) |  | 342,325 |
Cash, beginning of period | 276,372 |  | 102,088 |
Cash, end of period | 252,413 |  | 444,413 |
ProShares UltraShort Yen [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | 60,564,672 |  | 37,727,099 |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Net sale (purchase) of short-term U.S. government and agency obligations | (100,878,272) |  | (47,351,793) |
Change in unrealized appreciation/depreciation on investments | 35,385,357 |  | (17,443,625) |
Increase (Decrease) in management fee payable | 409,085 |  | 40,346 |
Net cash provided by (used in) operating activities | (4,519,158) |  | (27,027,973) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 67,118,406 |  | 87,339,721 |
Payment on shares redeemed | (62,493,620) |  | (60,064,278) |
Net cash provided by (used in) financing activities | 4,624,786 |  | 27,275,443 |
Net increase (decrease) in cash | 105,628 |  | 247,470 |
Cash, beginning of period | 363,826 |  | 22,338 |
Cash, end of period | 469,454 |  | 269,808 |
ProShares Ultra DJ-UBS Commodity [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | (99,267) |  | 77,291 |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Net sale (purchase) of short-term U.S. government and agency obligations | 2,890,227 |  | 372,382 |
Change in unrealized appreciation/depreciation on investments | (421,243) |  | (421,752) |
Increase (Decrease) in management fee payable | 2,392 |  | 265 |
Net cash provided by (used in) operating activities | 2,372,109 |  | 28,186 |
Cash flow from financing activities |  |  |  |
Payment on shares redeemed | (1,275,613) |  |  |
Net cash provided by (used in) financing activities | (1,275,613) |  |  |
Net increase (decrease) in cash | 1,096,496 |  | 28,186 |
Cash, beginning of period | 167,546 |  | 59,453 |
Cash, end of period | 1,264,042 |  | 87,639 |
ProShares Ultra DJ-UBS Crude Oil [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | 37,021,860 |  | 24,000,803 |
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 | 9,447,127 |  | (290,132) |
Net sale (purchase) of short-term U.S. government and agency obligations | 133,651,080 |  | (6,043,146) |
Change in unrealized appreciation/depreciation on investments | 8,151,508 |  | (2,883,668) |
Decrease (Increase) in receivable on futures contracts | 1,044,112 |  | (505,200) |
Increase (Decrease) in management fee payable | 97,262 |  | 11,429 |
Net cash provided by (used in) operating activities | 189,412,949 |  | 14,290,086 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 24,265,179 |  | 118,655,298 |
Payment on shares redeemed | (214,347,828) |  | (132,934,115) |
Net cash provided by (used in) financing activities | (190,082,649) |  | (14,278,817) |
Net increase (decrease) in cash | (669,700) |  | 11,269 |
Cash, beginning of period | 2,198,932 |  | 495,671 |
Cash, end of period | 1,529,232 |  | 506,940 |
ProShares Ultra DJ-UBS Natural Gas [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | 23,414,359 |  | (20,768,878) |
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 | 4,378,210 |  | (8,238,653) |
Net sale (purchase) of short-term U.S. government and agency obligations | 10,612,320 |  | (25,916,211) |
Change in unrealized appreciation/depreciation on investments | (1,275) |  | (830) |
Change in offering cost |  |  | 6,619 |
Increase (Decrease) in management fee payable | 59,580 |  | 44,013 |
Increase (Decrease) in payable on futures contracts | (4,057,094) |  |  |
Net cash provided by (used in) operating activities | 34,406,100 |  | (54,873,940) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 35,932,249 |  | 52,875,334 |
Payment on shares redeemed | (70,895,102) |  |  |
Net cash provided by (used in) financing activities | (34,962,853) |  | 52,875,334 |
Net increase (decrease) in cash | (556,753) |  | (1,998,606) |
Cash, beginning of period | 3,385,764 |  | 3,361,868 |
Cash, end of period | 2,829,011 |  | 1,363,262 |
ProShares Ultra Gold [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | (26,233,564) |  | 45,738,066 |
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 | 2,970 |  | 2,700 |
Net sale (purchase) of short-term U.S. government and agency obligations | 43,232,276 |  | 8,741,989 |
Change in unrealized appreciation/depreciation on investments | (24,865,912) |  | (76,437,538) |
Decrease (Increase) in receivable on futures contracts | 3,980 |  | (1,740) |
Increase (Decrease) in management fee payable | 210,040 |  | 14,445 |
Increase (Decrease) in payable on futures contracts | 2,300 |  |  |
Net cash provided by (used in) operating activities | (7,647,910) |  | (21,942,078) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 7,641,793 |  | 47,944,608 |
Payment on shares redeemed |  |  | (26,008,601) |
Net cash provided by (used in) financing activities | 7,641,793 |  | 21,936,007 |
Net increase (decrease) in cash | (6,117) |  | (6,071) |
Cash, beginning of period | 342,345 |  | 400,533 |
Cash, end of period | 336,228 |  | 394,462 |
ProShares Ultra Silver [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | (79,680,125) |  | 139,213,584 |
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 | 3,300 |  | 9,410 |
Net sale (purchase) of short-term U.S. government and agency obligations | 136,068,407 |  | (111,408,608) |
Change in unrealized appreciation/depreciation on investments | (137,606,367) |  | (132,892,730) |
Decrease (Increase) in receivable on futures contracts | 2,520 |  | 6,000 |
Increase (Decrease) in management fee payable | 486,307 |  | 131,385 |
Increase (Decrease) in payable on futures contracts | 2,890 |  |  |
Net cash provided by (used in) operating activities | (80,723,068) |  | (104,940,959) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 87,889,563 |  | 166,445,210 |
Payment on shares redeemed | (7,301,114) |  | (61,385,275) |
Net cash provided by (used in) financing activities | 80,588,449 |  | 105,059,935 |
Net increase (decrease) in cash | (134,619) |  | 118,976 |
Cash, beginning of period | 890,051 |  | 772,442 |
Cash, end of period | 755,432 |  | 891,418 |
ProShares Ultra Australian Dollar [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | 64,938 | [3],[4] |  |
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 | 24,750 | [4] |  |
Net sale (purchase) of short-term U.S. government and agency obligations | (106,168) | [4] |  |
Change in unrealized appreciation/depreciation on investments | 159 | [4] |  |
Decrease (Increase) in receivable on futures contracts | 12,000 | [4] |  |
Change in offering cost | 10,110 | [4] |  |
Decrease (Increase) in Limitation by Sponsor | (334) | [4] |  |
Increase (Decrease) in payable on futures contracts | 22,982 | [4] |  |
Net cash provided by (used in) operating activities | 28,437 | [4] |  |
Cash flow from financing activities |  |  |  |
Net increase (decrease) in cash | 28,437 | [4] |  |
Cash, beginning of period | 426,634 | [4] |  |
Cash, end of period | 455,071 | [4] |  |
ProShares Ultra Euro [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | (297,249) |  | 539,780 |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Net sale (purchase) of short-term U.S. government and agency obligations | 68,002 |  | 2,914,612 |
Change in unrealized appreciation/depreciation on investments | 221,177 |  | (812,184) |
Increase (Decrease) in management fee payable | 3,545 |  | 1,045 |
Net cash provided by (used in) operating activities | (4,525) |  | 2,643,253 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares |  |  | 1,209,580 |
Payment on shares redeemed |  |  | (3,730,012) |
Net cash provided by (used in) financing activities |  |  | (2,520,432) |
Net increase (decrease) in cash | (4,525) |  | 122,821 |
Cash, beginning of period | 240,086 |  | 10,469 |
Cash, end of period | 235,561 |  | 133,290 |
ProShares Ultra Yen [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | (804,414) |  | (765,495) |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |
Net sale (purchase) of short-term U.S. government and agency obligations | 1,052,825 |  | 529,440 |
Change in unrealized appreciation/depreciation on investments | (423,575) |  | 328,490 |
Increase (Decrease) in management fee payable | 3,411 |  | (506) |
Net cash provided by (used in) operating activities | (171,753) |  | 91,929 |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 1,323,474 |  |  |
Payment on shares redeemed | (1,180,652) |  |  |
Net cash provided by (used in) financing activities | 142,822 |  |  |
Net increase (decrease) in cash | (28,931) |  | 91,929 |
Cash, beginning of period | 138,033 |  | 5,798 |
Cash, end of period | 109,102 |  | 97,727 |
ProShares VIX Short-Term Futures ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | (63,862,766) |  | (60,217,182) |
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 | (32,971,498) |  | (46,182,127) |
Net sale (purchase) of short-term U.S. government and agency obligations | (8,875,959) |  | (43,831,648) |
Change in unrealized appreciation/depreciation on investments | 71 |  | (2,603) |
Decrease (Increase) in receivable on futures contracts |  |  | 742,451 |
Change in offering cost |  |  | 1,090 |
Increase (Decrease) in management fee payable | 142,555 |  | 59,145 |
Increase (Decrease) in payable on futures contracts | (29,068,833) |  |  |
Net cash provided by (used in) operating activities | (134,636,430) |  | (149,430,874) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 197,130,250 |  | 190,857,830 |
Payment on shares redeemed | (62,230,720) |  | (40,505,855) |
Net cash provided by (used in) financing activities | 134,899,530 |  | 150,351,975 |
Net increase (decrease) in cash | 263,100 |  | 921,101 |
Cash, beginning of period | 2,989,958 |  | 563,350 |
Cash, end of period | 3,253,058 |  | 1,484,451 |
ProShares VIX Mid-Term Futures ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | (10,764,420) |  | (27,660,449) |
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 | (9,121,501) |  | (26,948,953) |
Net sale (purchase) of short-term U.S. government and agency obligations | 30,227,208 |  | 15,293,731 |
Change in unrealized appreciation/depreciation on investments | 1,220 |  | (6,101) |
Decrease (Increase) in receivable on futures contracts | (211,350) |  | 798,319 |
Change in offering cost |  |  | 682 |
Decrease (Increase) in Limitation by Sponsor |  |  | 2,481 |
Increase (Decrease) in management fee payable | 20,663 |  | 81,412 |
Increase (Decrease) in payable on futures contracts | (1,890,675) |  |  |
Net cash provided by (used in) operating activities | 8,261,145 |  | (38,438,878) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 51,106,840 |  | 52,467,040 |
Payment on shares redeemed | (60,144,511) |  | (13,518,544) |
Net cash provided by (used in) financing activities | (9,037,671) |  | 38,948,496 |
Net increase (decrease) in cash | (776,526) |  | 509,618 |
Cash, beginning of period | 2,063,715 |  | 627,557 |
Cash, end of period | 1,287,189 |  | 1,137,175 |
ProShares Ultra VIX Short-Term Futures ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | (144,849,612) |  | (153,197,701) |
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 | (172,363,485) |  | (73,675,384) |
Net sale (purchase) of short-term U.S. government and agency obligations | (21,339,348) |  | (40,191,164) |
Change in unrealized appreciation/depreciation on investments | 296,786 |  | 4,982,358 |
Change in offering cost |  |  | 7,152 |
Increase (Decrease) in management fee payable | 304,837 |  | 135,725 |
Increase (Decrease) in payable on futures contracts | (30,704,802) |  | (1,852,966) |
Net cash provided by (used in) operating activities | (368,655,624) |  | (263,791,980) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 626,858,240 |  | 343,734,212 |
Payment on shares redeemed | (257,521,767) |  | (77,969,159) |
Net cash provided by (used in) financing activities | 369,336,473 |  | 265,765,053 |
Net increase (decrease) in cash | 680,849 |  | 1,973,073 |
Cash, beginning of period | 1,790,825 |  | 2,972,032 |
Cash, end of period | 2,471,674 |  | 4,945,105 |
ProShares Short VIX Short-Term Futures ETF [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | 28,764,997 |  | 7,619,463 |
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 | (342,005) |  | (9,593,943) |
Net sale (purchase) of short-term U.S. government and agency obligations | 7,853,847 |  | (33,582,854) |
Change in unrealized appreciation/depreciation on investments | 1,662 |  | (251) |
Decrease (Increase) in receivable on futures contracts | 5,052,699 |  |  |
Change in offering cost |  |  | 7,152 |
Increase (Decrease) in management fee payable | 33,669 |  | 18,944 |
Net cash provided by (used in) operating activities | 41,364,869 |  | (35,531,489) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 129,929,850 |  | 101,916,545 |
Payment on shares redeemed | (171,675,379) |  | (68,220,482) |
Net cash provided by (used in) financing activities | (41,745,529) |  | 33,696,063 |
Net increase (decrease) in cash | (380,660) |  | (1,835,426) |
Cash, beginning of period | 2,236,726 |  | 5,521,055 |
Cash, end of period | 1,856,066 |  | 3,685,629 |
ProShares Trust II [Member] |  |  |  |
Cash flow from operating activities |  |  |  |
Net income (loss) | (152,004,745) |  | (169,987,639) |
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 | (205,159,318) |  | (168,299,155) |
Net sale (purchase) of short-term U.S. government and agency obligations | 172,143,542 |  | (107,098,623) |
Change in unrealized appreciation/depreciation on investments | (114,037,180) |  | (59,623,916) |
Decrease (Increase) in receivable on futures contracts | 6,074,502 |  | 1,461,768 |
Change in offering cost | 224,229 |  | 29,314 |
Decrease (Increase) in Limitation by Sponsor | (2,982) |  | 2,481 |
Increase (Decrease) in management fee payable | 2,392,210 |  | 421,341 |
Increase (Decrease) in payable on futures contracts | (65,326,745) |  | (1,852,966) |
Increase (Decrease) in payable for offering costs | (193,900) |  |  |
Net cash provided by (used in) operating activities | (355,890,387) |  | (504,947,395) |
Cash flow from financing activities |  |  |  |
Proceeds from addition of shares | 1,424,812,564 |  | 1,481,523,745 |
Payment on shares redeemed | (1,068,314,461) | [5] | (978,042,682) | [5]
Net cash provided by (used in) financing activities | 356,498,103 |  | 503,481,063 |
Net increase (decrease) in cash | 607,716 |  | (1,466,332) |
Cash, beginning of period | 19,959,356 |  | 19,145,045 |
Cash, end of period | $ 20,567,072 |  | $ 17,678,713 |
[1] | Since the Fund commenced investment operations on June 26, 2012, the Statement of Operations for the three months ended March 31, 2012 has not been provided.
[2] | Since the Fund commenced investment operations on June 26, 2012, the Statement of Cash Flows for the three months ended March 31, 2012 has not been provided.
[3] | Since the Fund commenced investment operations on July 17, 2012, the Statement of Operations for the three months ended March 31, 2012 has not been provided.
[4] | Since the Fund commenced investment operations on July 17, 2012, the Statement of Cash Flows for the three months ended March 31, 2012 has not been provided.
[5] | Amount includes $600 of redemptions related the termination of offerings of the New Funds. See Note 1.

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