Investments - Effect of Derivative Instruments on Statements of Operations (Detail) - USD ($)
|
3 Months Ended |
6 Months Ended |
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
[1] |
$ 62,229,521
|
$ (496,622,596)
|
$ 1,179,151,366
|
$ (973,808,867)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
[1] |
(46,560,109)
|
335,030,119
|
(264,473,936)
|
(54,817,824)
|
| ProShares VIX Short-Term Futures ETF [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
23,658,785
|
(175,846,641)
|
77,393,009
|
(252,481,234)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
46,600,777
|
38,992,347
|
33,152,396
|
(14,438,507)
|
| ProShares VIX Mid-Term Futures ETF [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
7,862,052
|
(14,405,542)
|
12,653,549
|
(10,866,226)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
3,992,670
|
3,572,030
|
3,518,835
|
(4,703,492)
|
| ProShares Short VIX Short-Term Futures ETF [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(13,105,212)
|
109,337,017
|
(54,216,320)
|
133,546,434
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(34,507,780)
|
(13,308,130)
|
(30,209,873)
|
28,816,988
|
| ProShares Ultra VIX Short-Term Futures ETF [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
90,701,501
|
(854,526,924)
|
371,681,032
|
(1,559,026,428)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
196,735,349
|
244,115,248
|
161,734,465
|
(40,244,083)
|
| ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(102,594,000)
|
(26,010,421)
|
(209,076,101)
|
(75,188,186)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
34,757,114
|
(9,947,432)
|
36,686,156
|
(4,308,588)
|
| ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(282,646,884)
|
(10,305,304)
|
(397,371,192)
|
(16,664,698)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
228,079,127
|
(33,693,761)
|
140,292,056
|
(17,798,697)
|
| ProShares UltraShort Gold [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
4,557,870
|
(6,984,547)
|
(1,750,799)
|
(2,981,188)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
289,951
|
3,806,053
|
2,318,730
|
3,626,200
|
| ProShares UltraShort Silver [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
9,411,232
|
(5,876,456)
|
2,037,296
|
(8,808,722)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
3,853,312
|
(925,320)
|
5,642,964
|
6,541,191
|
| ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
363,291,439
|
320,505,659
|
1,162,711,373
|
654,856,887
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(211,544,109)
|
157,919,139
|
(306,208,096)
|
192,954,795
|
| ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
164,990,694
|
4,901,288
|
241,207,930
|
46,484,224
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(271,288,469)
|
28,347,917
|
(186,420,725)
|
10,549,049
|
| ProShares Ultra Gold [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(57,901,083)
|
45,506,367
|
(82,487)
|
(5,741,520)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
4,971,043
|
(33,478,303)
|
(19,849,468)
|
(34,710,806)
|
| ProShares Ultra Silver [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(156,195,349)
|
116,370,479
|
(39,558,312)
|
121,281,221
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(50,135,799)
|
(48,394,245)
|
(108,172,044)
|
(186,138,026)
|
| ProShares UltraShort Euro [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
3,065,129
|
(795,757)
|
5,818,237
|
(725,230)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
3,039,738
|
(511,170)
|
3,308,479
|
3,881,067
|
| ProShares UltraShort Yen [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
7,917,170
|
1,598,086
|
9,100,314
|
2,857,659
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(1,367,929)
|
(1,645,477)
|
70,535
|
1,256,265
|
| ProShares Ultra Euro [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(446,365)
|
95,412
|
(893,344)
|
68,070
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(281,290)
|
(13,219)
|
(419,715)
|
(324,271)
|
| ProShares Ultra Yen [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(761,478)
|
(140,007)
|
(878,701)
|
(279,474)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
152,185
|
118,616
|
10,820
|
(137,429)
|
| Not Designated as Hedging Instrument [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
62,225,876
|
(496,624,733)
|
1,178,977,575
|
(973,830,765)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(45,885,731)
|
335,263,263
|
(260,518,605)
|
(54,690,965)
|
| Not Designated as Hedging Instrument [Member] | VIX Futures Contracts [Member] | Net Realized Gain (Loss) on Futures Contracts/Changes in Unrealized Appreciation (Depreciation) on Futures Contracts [Member] | ProShares VIX Short-Term Futures ETF [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
23,659,182
|
(175,846,641)
|
77,393,309
|
(252,481,234)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
46,680,364
|
39,005,837
|
33,506,046
|
(14,433,077)
|
| Not Designated as Hedging Instrument [Member] | VIX Futures Contracts [Member] | Net Realized Gain (Loss) on Futures Contracts/Changes in Unrealized Appreciation (Depreciation) on Futures Contracts [Member] | ProShares VIX Mid-Term Futures ETF [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
7,862,052
|
(14,405,542)
|
12,653,885
|
(10,866,226)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
4,040,230
|
3,575,301
|
3,705,055
|
(4,701,371)
|
| Not Designated as Hedging Instrument [Member] | VIX Futures Contracts [Member] | Net Realized Gain (Loss) on Futures Contracts/Changes in Unrealized Appreciation (Depreciation) on Futures Contracts [Member] | ProShares Short VIX Short-Term Futures ETF [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(13,029,194)
|
109,337,017
|
(54,129,808)
|
133,546,434
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(34,466,848)
|
(13,290,409)
|
(29,757,664)
|
28,831,483
|
| Not Designated as Hedging Instrument [Member] | VIX Futures Contracts [Member] | Net Realized Gain (Loss) on Futures Contracts/Changes in Unrealized Appreciation (Depreciation) on Futures Contracts [Member] | ProShares Ultra VIX Short-Term Futures ETF [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
91,039,435
|
(854,529,061)
|
372,034,119
|
(1,559,047,085)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
196,657,178
|
244,143,655
|
162,278,712
|
(40,235,121)
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(102,594,000)
|
(26,010,421)
|
(209,076,101)
|
(75,188,186)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
34,810,301
|
(9,944,438)
|
36,926,293
|
(4,307,804)
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(282,646,685)
|
(10,305,304)
|
(397,312,383)
|
(16,664,698)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
228,166,248
|
(33,691,003)
|
140,634,090
|
(17,797,456)
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares UltraShort Gold [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
4,557,870
|
(6,984,547)
|
(1,750,803)
|
(2,981,357)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
298,236
|
3,807,080
|
2,367,584
|
3,626,416
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares UltraShort Silver [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
9,411,232
|
(5,876,456)
|
2,037,486
|
(8,808,807)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
3,849,687
|
(923,486)
|
5,658,849
|
6,542,278
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
363,296,092
|
320,505,659
|
1,162,719,162
|
654,856,887
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(211,138,245)
|
157,999,797
|
(305,216,174)
|
192,993,880
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
164,990,694
|
4,901,288
|
241,211,382
|
46,483,673
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(271,251,560)
|
28,350,804
|
(186,220,796)
|
10,550,021
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares Ultra Gold [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(57,901,083)
|
45,506,367
|
(82,487)
|
(5,741,765)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
4,971,202
|
(33,461,145)
|
(19,678,449)
|
(34,695,444)
|
| Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Net realized gain (loss) on futures contracts and swap agreements/changes in unrealized appreciation (depreciation) on futures contracts and swap agreements [Member] | ProShares Ultra Silver [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(156,194,175)
|
116,370,479
|
(39,557,148)
|
121,281,030
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(50,071,519)
|
(48,336,770)
|
(107,828,115)
|
(186,102,472)
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on futures and/or foreign currency forward contracts/changes in unrealized appreciation (depreciation) on futures and/or foreign currency forward contracts [Member] | ProShares Short Euro [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
|
(38,172)
|
|
31,221
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
|
17,623
|
|
96,177
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on futures and/or foreign currency forward contracts/changes in unrealized appreciation (depreciation) on futures and/or foreign currency forward contracts [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
|
(7,133)
|
|
(171,677)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
|
58,291
|
|
264,343
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on futures and/or foreign currency forward contracts/changes in unrealized appreciation (depreciation) on futures and/or foreign currency forward contracts [Member] | ProShares UltraShort Euro [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
3,065,129
|
(795,757)
|
5,607,263
|
(725,230)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
3,061,048
|
(509,443)
|
3,403,124
|
3,881,954
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on futures and/or foreign currency forward contracts/changes in unrealized appreciation (depreciation) on futures and/or foreign currency forward contracts [Member] | ProShares UltraShort Yen [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
7,917,170
|
1,598,086
|
8,997,343
|
2,857,659
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(1,364,477)
|
(1,644,087)
|
101,925
|
1,256,801
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on futures and/or foreign currency forward contracts/changes in unrealized appreciation (depreciation) on futures and/or foreign currency forward contracts [Member] | ProShares Ultra Euro [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(446,365)
|
95,412
|
(887,395)
|
68,070
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
(282,077)
|
(13,092)
|
(415,047)
|
(324,232)
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Net realized gain (loss) on futures and/or foreign currency forward contracts/changes in unrealized appreciation (depreciation) on futures and/or foreign currency forward contracts [Member] | ProShares Ultra Yen [Member] |
|
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
|
(761,478)
|
(140,007)
|
(880,249)
|
(279,474)
|
| Change in Unrealized Appreciation/ Depreciation on Derivatives Recognized in Income |
|
$ 154,501
|
$ 118,748
|
$ 15,962
|
$ (137,341)
|
|
|