v3.26.1
Statements of Cash Flows - USD ($)
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash flow from operating activities    
Net income (loss) $ (723,921,873) $ 598,726,498
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 (8,583,723,819) (4,922,432,200)
Proceeds from sales or maturities of short-term U.S. government and agency obligations 8,747,597,486 5,104,090,758
Cost of affiliated investments purchased (3,170,100,180) 0
Proceeds from affiliated investments sold 1,911,600,040 0
Net amortization and accretion on short-term U.S. government and agency obligations (38,788,989) (27,726,427)
Net realized (gain) loss on investments (191,262) 9,201
Change in unrealized (appreciation) depreciation on investments 552,588,147 (8,115,692)
Decrease (Increase) in due from counterparty (11,540,059) 0
Decrease (Increase) in receivable on open futures contracts 12,040,446 (8,950,923)
Decrease (Increase) in receivable for dividends from affiliates (1,157,885) 0
Decrease (Increase) in interest receivable 2,029,193 (1,848,021)
Increase (Decrease) in payable to Sponsor (251,458) 247,285
Increase (Decrease) in brokerage commissions and futures account fees payable (25,068) 17,059
Increase (Decrease) in payable on open futures contracts (199,861,397) 42,734,683
Net cash provided by (used in) operating activities (1,503,706,678) 776,752,221
Cash flow from financing activities    
Proceeds from addition of shares 12,849,731,953 7,307,503,630
Payment on shares redeemed (13,228,061,266) (7,327,826,527)
Net cash provided by (used in) financing activities (378,329,313) (20,322,897)
Net increase (decrease) in cash (1,882,035,991) 756,429,324
Cash, beginning of period 3,250,748,973 2,577,444,038
Cash, end of period 1,368,712,982 3,333,873,362
ProShares Short VIX Short-Term Futures ETF [Member]    
Cash flow from operating activities    
Net income (loss) 11,783,511 (333,868)
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 (179,078,390) (303,335,606)
Proceeds from sales or maturities of short-term U.S. government and agency obligations 195,000,000 330,000,455
Cost of affiliated investments purchased (85,050,500) 0
Proceeds from affiliated investments sold 10,009,000 0
Net amortization and accretion on short-term U.S. government and agency obligations (671,245) (1,733,327)
Net realized (gain) loss on investments (5,000) (455)
Change in unrealized (appreciation) depreciation on investments 13,180 6,808
Decrease (Increase) in receivable on open futures contracts 318,960 (1,065,631)
Decrease (Increase) in receivable for dividends from affiliates (59,293) 0
Decrease (Increase) in interest receivable 36,481 (217,468)
Increase (Decrease) in payable to Sponsor (4,950) (413)
Increase (Decrease) in brokerage commissions and futures account fees payable (791) (2,318)
Increase (Decrease) in payable on open futures contracts (464,514) (1,011,830)
Net cash provided by (used in) operating activities (48,173,551) 22,306,347
Cash flow from financing activities    
Proceeds from addition of shares 48,766,747 713,832,219
Payment on shares redeemed (81,354,053) (699,663,184)
Net cash provided by (used in) financing activities (32,587,306) 14,169,035
Net increase (decrease) in cash (80,760,857) 36,475,382
Cash, beginning of period 181,235,506 241,154,040
Cash, end of period 100,474,649 277,629,422
ProShares Ultra Bloomberg Crude Oil [Member]    
Cash flow from operating activities    
Net income (loss) 308,455,569 (50,153,966)
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 (621,111,085) (656,357,446)
Proceeds from sales or maturities of short-term U.S. government and agency obligations 525,000,000 710,000,322
Cost of affiliated investments purchased (250,204,460) 0
Proceeds from affiliated investments sold 180,127,232 0
Net amortization and accretion on short-term U.S. government and agency obligations (2,988,521) (3,877,211)
Net realized (gain) loss on investments 49,228 (322)
Change in unrealized (appreciation) depreciation on investments 64,169,368 34,218,589
Decrease (Increase) in due from counterparty (3,496,381) 0
Decrease (Increase) in receivable on open futures contracts 345,646 2,157,183
Decrease (Increase) in receivable for dividends from affiliates (110,873) 0
Decrease (Increase) in interest receivable 196,615 33,780
Increase (Decrease) in payable to Sponsor (31,894) (103,457)
Increase (Decrease) in payable on open futures contracts (565,016) 454,017
Net cash provided by (used in) operating activities 199,835,428 36,371,489
Cash flow from financing activities    
Proceeds from addition of shares 850,023,608 341,328,074
Payment on shares redeemed (1,232,448,334) (394,599,683)
Net cash provided by (used in) financing activities (382,424,726) (53,271,609)
Net increase (decrease) in cash (182,589,298) (16,900,120)
Cash, beginning of period 248,279,442 385,855,334
Cash, end of period 65,690,144 368,955,214
ProShares Ultra Bloomberg Natural Gas [Member]    
Cash flow from operating activities    
Net income (loss) 155,309,715 86,270,439
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 (398,104,310) (387,844,619)
Proceeds from sales or maturities of short-term U.S. government and agency obligations 534,609,251 469,917,565
Cost of affiliated investments purchased (140,103,500) 0
Proceeds from affiliated investments sold 40,026,588 0
Net amortization and accretion on short-term U.S. government and agency obligations (1,923,060) (2,332,472)
Net realized (gain) loss on investments 17,862 224
Change in unrealized (appreciation) depreciation on investments 42,203 26,980
Decrease (Increase) in receivable on open futures contracts (16,259,564) 0
Decrease (Increase) in receivable for dividends from affiliates (90,830) 0
Decrease (Increase) in interest receivable 311,695 288,867
Increase (Decrease) in payable to Sponsor (166,906) (199,605)
Increase (Decrease) in brokerage commissions and futures account fees payable (7,235) (7,329)
Increase (Decrease) in payable on open futures contracts (67,963,288) 18,396,087
Net cash provided by (used in) operating activities 105,698,621 184,516,137
Cash flow from financing activities    
Proceeds from addition of shares 1,468,355,214 982,318,775
Payment on shares redeemed (1,796,765,004) (1,176,881,196)
Net cash provided by (used in) financing activities (328,409,790) (194,562,421)
Net increase (decrease) in cash (222,711,169) (10,046,284)
Cash, beginning of period 340,334,014 323,011,189
Cash, end of period 117,622,845 312,964,905
ProShares Ultra Euro [Member]    
Cash flow from operating activities    
Net income (loss) (347,051) 1,471,951
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 (4,974,191) 0
Proceeds from sales or maturities of short-term U.S. government and agency obligations 3,000,000 0
Net amortization and accretion on short-term U.S. government and agency obligations (20,087) 0
Change in unrealized (appreciation) depreciation on investments 188,584 (610,648)
Decrease (Increase) in interest receivable 6,902 (5,598)
Increase (Decrease) in payable to Sponsor (834) 1,764
Net cash provided by (used in) operating activities (2,146,677) 857,469
Cash flow from financing activities    
Proceeds from addition of shares 679,857 2,513,699
Payment on shares redeemed (1,308,702) (1,028,737)
Net cash provided by (used in) financing activities (628,845) 1,484,962
Net increase (decrease) in cash (2,775,522) 2,342,431
Cash, beginning of period 5,852,377 5,903,547
Cash, end of period 3,076,855 8,245,978
ProShares Ultra Gold [Member]    
Cash flow from operating activities    
Net income (loss) (137,677,823) 145,908,639
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 (1,949,532,901) (865,029,856)
Proceeds from sales or maturities of short-term U.S. government and agency obligations 2,108,000,000 870,000,077
Cost of affiliated investments purchased (520,242,150) 0
Proceeds from affiliated investments sold 340,294,902 0
Net amortization and accretion on short-term U.S. government and agency obligations (8,372,595) (5,115,329)
Net realized (gain) loss on investments (124,752) (77)
Change in unrealized (appreciation) depreciation on investments 61,626,929 2,397,366
Decrease (Increase) in due from counterparty (8,043,678) 0
Decrease (Increase) in receivable on open futures contracts 0 (1,894,169)
Decrease (Increase) in receivable for dividends from affiliates (196,040) 0
Decrease (Increase) in interest receivable 445,563 (679,124)
Increase (Decrease) in payable to Sponsor (285,335) 159,616
Increase (Decrease) in payable on open futures contracts (13,999,939) 0
Net cash provided by (used in) operating activities (128,107,819) 145,747,143
Cash flow from financing activities    
Proceeds from addition of shares 579,901,646 346,724,313
Payment on shares redeemed (823,811,480) (290,457,542)
Net cash provided by (used in) financing activities (243,909,834) 56,266,771
Net increase (decrease) in cash (372,017,653) 202,013,914
Cash, beginning of period 457,257,281 215,158,372
Cash, end of period 85,239,628 417,172,286
ProShares Ultra Silver [Member]    
Cash flow from operating activities    
Net income (loss) (1,148,776,433) 228,698,653
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 (3,926,674,757) (1,253,080,617)
Proceeds from sales or maturities of short-term U.S. government and agency obligations 3,972,231,875 1,264,975,424
Cost of affiliated investments purchased (1,000,582,250) 0
Proceeds from affiliated investments sold 720,634,299 0
Net amortization and accretion on short-term U.S. government and agency obligations (18,186,400) (7,152,728)
Net realized (gain) loss on investments (157,328) 12
Change in unrealized (appreciation) depreciation on investments 443,218,752 (46,014,698)
Decrease (Increase) in receivable on open futures contracts (9,023,582) 0
Decrease (Increase) in receivable for dividends from affiliates (252,772) 0
Decrease (Increase) in interest receivable 1,130,896 (575,078)
Increase (Decrease) in payable to Sponsor (398,557) 34,250
Increase (Decrease) in payable on open futures contracts (134,327,554) 635,400
Net cash provided by (used in) operating activities (1,101,163,811) 187,520,618
Cash flow from financing activities    
Proceeds from addition of shares 2,850,482,264 402,233,812
Payment on shares redeemed (2,577,128,472) (484,819,747)
Net cash provided by (used in) financing activities 273,353,792 (82,585,935)
Net increase (decrease) in cash (827,810,019) 104,934,683
Cash, beginning of period 989,229,750 491,827,274
Cash, end of period 161,419,731 596,761,957
ProShares Ultra VIX Short-Term Futures ETF [Member]    
Cash flow from operating activities    
Net income (loss) (91,689,509) 88,832,949
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 (50,824,121) (283,607,982)
Proceeds from sales or maturities of short-term U.S. government and agency obligations 150,979,905 294,604,547
Cost of affiliated investments purchased (225,163,000) 0
Proceeds from affiliated investments sold 175,146,223 0
Net amortization and accretion on short-term U.S. government and agency obligations (402,135) (1,055,094)
Net realized (gain) loss on investments (3,275) 1,919
Change in unrealized (appreciation) depreciation on investments 11,969 6,618
Decrease (Increase) in receivable on open futures contracts 17,868,535 9,002,751
Decrease (Increase) in receivable for dividends from affiliates (56,250) 0
Decrease (Increase) in interest receivable 116,708 (219,723)
Increase (Decrease) in payable to Sponsor (101,688) 120,670
Increase (Decrease) in brokerage commissions and futures account fees payable (9,061) 23,118
Increase (Decrease) in payable on open futures contracts 5,518,194 18,424,666
Net cash provided by (used in) operating activities (18,607,505) 126,134,439
Cash flow from financing activities    
Proceeds from addition of shares 1,109,296,084 1,816,907,301
Payment on shares redeemed (1,187,913,455) (1,643,522,618)
Net cash provided by (used in) financing activities (78,617,371) 173,384,683
Net increase (decrease) in cash (97,224,876) 299,519,122
Cash, beginning of period 292,892,619 250,621,829
Cash, end of period 195,667,743 550,140,951
ProShares Ultra Yen [Member]    
Cash flow from operating activities    
Net income (loss) (3,698,028) 8,840,169
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 (31,855,014) 0
Proceeds from sales or maturities of short-term U.S. government and agency obligations 25,000,000 0
Cost of affiliated investments purchased (16,006,400) 0
Proceeds from affiliated investments sold 5,003,897 0
Net amortization and accretion on short-term U.S. government and agency obligations (124,959) 0
Net realized (gain) loss on investments (1,897) 0
Change in unrealized (appreciation) depreciation on investments (234,335) (4,951,669)
Decrease (Increase) in receivable for dividends from affiliates (8,696) 0
Decrease (Increase) in interest receivable 88,258 (54,493)
Increase (Decrease) in payable to Sponsor (14,969) 15,212
Net cash provided by (used in) operating activities (21,852,143) 3,849,219
Cash flow from financing activities    
Proceeds from addition of shares 2,802,959 26,787,301
Payment on shares redeemed (16,584,155) (13,671,677)
Net cash provided by (used in) financing activities (13,781,196) 13,115,624
Net increase (decrease) in cash (35,633,339) 16,964,843
Cash, beginning of period 49,758,114 48,608,105
Cash, end of period 14,124,775 65,572,948
ProShares UltraShort Bloomberg Crude Oil [Member]    
Cash flow from operating activities    
Net income (loss) (50,125,170) 60,867,320
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 (970,118,438) (253,591,971)
Proceeds from sales or maturities of short-term U.S. government and agency obligations 739,859,413 254,917,637
Cost of affiliated investments purchased (460,471,670) 0
Proceeds from affiliated investments sold 160,144,701 0
Net amortization and accretion on short-term U.S. government and agency obligations (3,782,574) (1,326,149)
Net realized (gain) loss on investments 71,138 483
Change in unrealized (appreciation) depreciation on investments 56,199 0
Decrease (Increase) in receivable on open futures contracts (20,389,544) (548,948)
Decrease (Increase) in receivable for dividends from affiliates (199,558) 0
Decrease (Increase) in interest receivable (602,828) (9,078)
Increase (Decrease) in payable to Sponsor 779,626 17,424
Increase (Decrease) in payable on open futures contracts (139,029) (2,372,844)
Net cash provided by (used in) operating activities (604,917,734) 57,953,874
Cash flow from financing activities    
Proceeds from addition of shares 2,541,518,659 325,644,078
Payment on shares redeemed (1,685,422,321) (363,536,345)
Net cash provided by (used in) financing activities 856,096,338 (37,892,267)
Net increase (decrease) in cash 251,178,604 20,061,607
Cash, beginning of period 42,471,459 120,735,111
Cash, end of period 293,650,063 140,796,718
ProShares UltraShort Bloomberg Natural Gas [Member]    
Cash flow from operating activities    
Net income (loss) 197,547,648 (25,676,427)
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 (78,678,699) (755,466,782)
Proceeds from sales or maturities of short-term U.S. government and agency obligations 148,940,588 719,712,566
Cost of affiliated investments purchased (140,056,000) 0
Proceeds from affiliated investments sold 95,072,278 0
Net amortization and accretion on short-term U.S. government and agency obligations (452,304) (4,221,261)
Net realized (gain) loss on investments (35,996) 8,338
Change in unrealized (appreciation) depreciation on investments (274) (505)
Decrease (Increase) in receivable on open futures contracts 15,938,672 (19,063,819)
Decrease (Increase) in receivable for dividends from affiliates (50,636) 0
Decrease (Increase) in interest receivable (44,245) (184,281)
Increase (Decrease) in payable to Sponsor (41,375) 134,630
Increase (Decrease) in brokerage commissions and futures account fees payable (3,356) 5,304
Increase (Decrease) in payable on open futures contracts 5,080,045 7,203,197
Net cash provided by (used in) operating activities 243,216,346 (77,549,040)
Cash flow from financing activities    
Proceeds from addition of shares 1,477,109,181 1,587,131,318
Payment on shares redeemed (1,701,226,833) (1,523,496,529)
Net cash provided by (used in) financing activities (224,117,652) 63,634,789
Net increase (decrease) in cash 19,098,694 (13,914,251)
Cash, beginning of period 73,949,224 258,891,257
Cash, end of period 93,047,918 244,977,006
ProShares UltraShort Euro [Member]    
Cash flow from operating activities    
Net income (loss) 2,595,462 (7,968,731)
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 (34,832,481) 0
Proceeds from sales or maturities of short-term U.S. government and agency obligations 25,000,000 119
Cost of affiliated investments purchased (10,004,000) 0
Net amortization and accretion on short-term U.S. government and agency obligations (138,908) 0
Net realized (gain) loss on investments 0 (119)
Change in unrealized (appreciation) depreciation on investments (1,292,682) 2,883,349
Decrease (Increase) in receivable for dividends from affiliates (7,906) 0
Decrease (Increase) in interest receivable 50,516 30,624
Increase (Decrease) in payable to Sponsor (1,482) (6,909)
Net cash provided by (used in) operating activities (18,631,481) (5,061,667)
Cash flow from financing activities    
Proceeds from addition of shares 14,516,429 10,400,342
Payment on shares redeemed (17,347,559) (12,757,273)
Net cash provided by (used in) financing activities (2,831,130) (2,356,931)
Net increase (decrease) in cash (21,462,611) (7,418,598)
Cash, beginning of period 35,823,946 40,638,310
Cash, end of period 14,361,335 33,219,712
ProShares UltraShort Gold [Member]    
Cash flow from operating activities    
Net income (loss) 26,155,597 4,668,511
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 (84,505,721) 0
Proceeds from sales or maturities of short-term U.S. government and agency obligations 45,000,000 0
Cost of affiliated investments purchased (45,025,500) 0
Proceeds from affiliated investments sold 15,009,544 0
Net amortization and accretion on short-term U.S. government and agency obligations (351,469) 0
Net realized (gain) loss on investments 1,456 0
Change in unrealized (appreciation) depreciation on investments (5,491,017) (1,266,416)
Decrease (Increase) in receivable on open futures contracts 144,698 0
Decrease (Increase) in receivable for dividends from affiliates (30,406) 0
Decrease (Increase) in interest receivable 81,677 (142,465)
Increase (Decrease) in payable to Sponsor 23,618 42,128
Increase (Decrease) in payable on open futures contracts 134,691 10,779
Net cash provided by (used in) operating activities (48,852,832) 3,312,537
Cash flow from financing activities    
Proceeds from addition of shares 249,706,157 307,975,402
Payment on shares redeemed (247,488,410) (252,430,165)
Net cash provided by (used in) financing activities 2,217,747 55,545,237
Net increase (decrease) in cash (46,635,085) 58,857,774
Cash, beginning of period 83,796,830 16,519,330
Cash, end of period 37,161,745 75,377,104
ProShares UltraShort Silver [Member]    
Cash flow from operating activities    
Net income (loss) 31,627,419 (8,736,249)
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 (124,000,489) 0
Proceeds from sales or maturities of short-term U.S. government and agency obligations 79,976,450 0
Cost of affiliated investments purchased (140,109,950) 0
Proceeds from affiliated investments sold 120,093,788 0
Net amortization and accretion on short-term U.S. government and agency obligations (602,753) 0
Net realized (gain) loss on investments 145 0
Change in unrealized (appreciation) depreciation on investments (9,672,426) 2,666,366
Decrease (Increase) in receivable on open futures contracts 18,548,014 (83,537)
Decrease (Increase) in receivable for dividends from affiliates (15,812) 0
Decrease (Increase) in interest receivable 137,090 (39,788)
Increase (Decrease) in payable to Sponsor 3,559 8,748
Increase (Decrease) in payable on open futures contracts 1,816,610 (9,092)
Net cash provided by (used in) operating activities (22,198,355) (6,193,552)
Cash flow from financing activities    
Proceeds from addition of shares 1,402,774,664 80,052,403
Payment on shares redeemed (1,587,836,907) (59,657,798)
Net cash provided by (used in) financing activities (185,062,243) 20,394,605
Net increase (decrease) in cash (207,260,598) 14,201,053
Cash, beginning of period 229,683,096 20,768,601
Cash, end of period 22,422,498 34,969,654
ProShares UltraShort Yen [Member]    
Cash flow from operating activities    
Net income (loss) 2,873,056 (3,501,629)
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 (29,852,898) 0
Proceeds from sales or maturities of short-term U.S. government and agency obligations 19,999,999 91
Cost of affiliated investments purchased (7,002,800) 0
Net amortization and accretion on short-term U.S. government and agency obligations (118,490) 0
Net realized (gain) loss on investments 0 (91)
Change in unrealized (appreciation) depreciation on investments (64,832) 2,515,360
Decrease (Increase) in receivable for dividends from affiliates (5,534) 0
Decrease (Increase) in interest receivable 61,944 10,483
Increase (Decrease) in payable to Sponsor (6,886) (3,129)
Net cash provided by (used in) operating activities (14,116,441) (978,915)
Cash flow from financing activities    
Proceeds from addition of shares 18,289,295 10,847,681
Payment on shares redeemed (25,657,470) (12,866,644)
Net cash provided by (used in) financing activities (7,368,175) (2,018,963)
Net increase (decrease) in cash (21,484,616) (2,997,878)
Cash, beginning of period 34,603,854 23,795,096
Cash, end of period 13,119,238 20,797,218
ProShares VIX Mid-Term Futures ETF [Member]    
Cash flow from operating activities    
Net income (loss) (1,548,125) 5,584,327
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 (29,840,825) 0
Proceeds from sales or maturities of short-term U.S. government and agency obligations 20,000,000 84
Cost of affiliated investments purchased (20,008,000) 0
Proceeds from affiliated investments sold 5,005,397 0
Net amortization and accretion on short-term U.S. government and agency obligations (123,275) 0
Net realized (gain) loss on investments (3,397) (84)
Change in unrealized (appreciation) depreciation on investments (2,700) 0
Decrease (Increase) in receivable on open futures contracts 169,802 (68,227)
Decrease (Increase) in receivable for dividends from affiliates (11,859) 0
Decrease (Increase) in interest receivable 73,837 33,755
Increase (Decrease) in payable to Sponsor (1,574) (5,131)
Increase (Decrease) in brokerage commissions and futures account fees payable (664) (1,013)
Increase (Decrease) in payable on open futures contracts 524,121 (50,382)
Net cash provided by (used in) operating activities (25,767,262) 5,493,329
Cash flow from financing activities    
Proceeds from addition of shares 27,279,346 20,127,613
Payment on shares redeemed (30,206,898) (32,703,907)
Net cash provided by (used in) financing activities (2,927,552) (12,576,294)
Net increase (decrease) in cash (28,694,814) (7,082,965)
Cash, beginning of period 44,510,970 28,081,839
Cash, end of period 15,816,156 20,998,874
ProShares VIX Short-Term Futures ETF [Member]    
Cash flow from operating activities    
Net income (loss) (26,407,711) 63,954,410
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 (69,739,499) (164,117,321)
Proceeds from sales or maturities of short-term U.S. government and agency obligations 155,000,005 189,961,871
Cost of affiliated investments purchased (110,070,000) 0
Proceeds from affiliated investments sold 45,032,191 0
Net amortization and accretion on short-term U.S. government and agency obligations (530,214) (912,856)
Net realized (gain) loss on investments 554 (627)
Change in unrealized (appreciation) depreciation on investments 19,229 6,808
Decrease (Increase) in receivable on open futures contracts 4,378,809 2,613,474
Decrease (Increase) in receivable for dividends from affiliates (61,420) 0
Decrease (Increase) in interest receivable (61,916) (118,434)
Increase (Decrease) in payable to Sponsor (1,811) 31,487
Increase (Decrease) in brokerage commissions and futures account fees payable (3,961) (703)
Increase (Decrease) in payable on open futures contracts 4,524,282 1,054,685
Net cash provided by (used in) operating activities 2,078,538 92,472,794
Cash flow from financing activities    
Proceeds from addition of shares 208,229,843 332,679,299
Payment on shares redeemed (215,561,213) (365,733,482)
Net cash provided by (used in) financing activities (7,331,370) (33,054,183)
Net increase (decrease) in cash (5,252,832) 59,418,611
Cash, beginning of period 141,070,491 105,874,804
Cash, end of period $ 135,817,659 $ 165,293,415