Investments - Effect of Derivative Instruments on Statements of Operations (Detail) - USD ($)
|
3 Months Ended |
6 Months Ended |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
$ 406,051,436
|
$ 340,305,548
|
$ 653,081,996
|
$ 140,335,396
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(256,039,064)
|
(127,143,015)
|
(96,121,534)
|
(180,306,004)
|
| Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
406,060,567
|
340,304,352
|
653,091,197
|
140,264,255
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(256,052,072)
|
(127,202,756)
|
(95,995,909)
|
(180,180,547)
|
| ProShares Short VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
2,460
|
26,761,918
|
(17,634,393)
|
55,276,535
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
13,637,223
|
(4,167,221)
|
13,394,285
|
(8,822,042)
|
| ProShares Ultra VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
56,043,330
|
(57,412,686)
|
155,964,717
|
(148,405,278)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(88,992,737)
|
11,698,440
|
(69,359,376)
|
24,979,009
|
| ProShares VIX Mid-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
4,727,074
|
(8,949,418)
|
5,434,266
|
(15,054,609)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(1,835,417)
|
1,095,379
|
(210,933)
|
3,885,170
|
| ProShares VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
44,564,970
|
(27,512,354)
|
76,774,233
|
(59,266,488)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(21,523,329)
|
4,022,209
|
(14,541,848)
|
6,991,389
|
| ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(28,591,884)
|
6,957,617
|
(13,075,023)
|
100,088,722
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(41,335,786)
|
(738,826)
|
(41,800,136)
|
54,345,016
|
| ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(12,342,333)
|
211,772,181
|
210,262,895
|
(30,408,733)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(84,894,992)
|
(60,263,391)
|
(127,033,885)
|
(196,656,346)
|
| ProShares Ultra Gold [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
86,158,116
|
31,567,821
|
144,586,702
|
50,042,103
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(61,454,302)
|
(17,226,689)
|
(5,429,584)
|
(14,505,497)
|
| ProShares Ultra Silver [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
99,198,831
|
220,680,441
|
153,909,618
|
216,214,526
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(73,497,185)
|
(87,279,257)
|
65,780,286
|
(65,670,658)
|
| ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
32,209,630
|
(143,424)
|
41,143,529
|
(12,652,246)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
14,026,830
|
(1,552,095)
|
17,511,380
|
(36,001,228)
|
| ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
124,592,646
|
(44,563,292)
|
(97,235,066)
|
89,322
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
80,955,495
|
20,550,559
|
66,357,458
|
44,377,047
|
| ProShares UltraShort Gold [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
5,846,099
|
(2,516,474)
|
2,403,495
|
(3,914,287)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
5,933,528
|
1,264,436
|
1,607,812
|
919,857
|
| ProShares UltraShort Silver [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(3,327,232)
|
(16,070,138)
|
(6,436,218)
|
(10,290,118)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
2,491,447
|
4,902,824
|
(2,560,601)
|
3,484,222
|
| ProShares Ultra Euro [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
616,633
|
(219,350)
|
777,150
|
(74,776)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
415,771
|
62,167
|
610,648
|
(447,347)
|
| ProShares Ultra Yen [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
1,428,203
|
(5,365,623)
|
3,070,845
|
(7,397,198)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
2,283,730
|
(842,412)
|
4,951,669
|
(4,421,343)
|
| ProShares UltraShort Euro [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(3,936,874)
|
900,760
|
(5,567,827)
|
(38,460)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(1,538,631)
|
(199,005)
|
(2,883,349)
|
2,768,728
|
| ProShares UltraShort Yen [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(1,138,233)
|
4,417,569
|
(1,296,927)
|
6,126,381
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(710,709)
|
1,529,867
|
(2,515,360)
|
4,468,019
|
| 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] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
2,005
|
26,761,918
|
(17,634,848)
|
55,258,866
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
13,636,368
|
(4,177,838)
|
13,401,093
|
(8,805,425)
|
| 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] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
56,045,179
|
(57,413,186)
|
155,966,636
|
(148,416,415)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(88,993,838)
|
11,693,863
|
(69,352,758)
|
24,978,991
|
| 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] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
4,726,990
|
(8,949,418)
|
5,434,182
|
(15,057,887)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(1,835,417)
|
1,092,860
|
(210,933)
|
3,882,651
|
| 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] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
44,564,343
|
(27,512,354)
|
76,773,606
|
(59,271,318)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(21,523,129)
|
4,018,755
|
(14,535,040)
|
7,003,274
|
| Commodities Contracts [Member] | Net realized gain (loss) on futures contracts and/or swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and/or swap agreements [Member] | ProShares Ultra Bloomberg Crude Oil [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(28,592,206)
|
6,956,921
|
(13,075,345)
|
100,075,521
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(41,338,039)
|
(748,073)
|
(41,773,534)
|
54,390,334
|
| Commodities Contracts [Member] | Net realized gain (loss) on futures contracts and/or swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and/or swap agreements [Member] | ProShares Ultra Bloomberg Natural Gas [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(12,342,109)
|
211,772,181
|
210,263,119
|
(30,408,733)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(84,894,683)
|
(60,263,391)
|
(127,006,905)
|
(196,642,739)
|
| Commodities Contracts [Member] | Net realized gain (loss) on futures contracts and/or swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and/or swap agreements [Member] | ProShares Ultra Gold [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
86,158,039
|
31,567,821
|
144,586,625
|
50,039,092
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(61,456,710)
|
(17,232,531)
|
(5,410,106)
|
(14,495,217)
|
| Commodities Contracts [Member] | Net realized gain (loss) on futures contracts and/or swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and/or swap agreements [Member] | ProShares Ultra Silver [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
99,198,843
|
220,680,441
|
153,909,630
|
216,209,729
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(73,501,501)
|
(87,290,676)
|
65,813,122
|
(65,650,154)
|
| Commodities Contracts [Member] | Net realized gain (loss) on futures contracts and/or swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and/or swap agreements [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
32,210,113
|
(143,424)
|
41,144,012
|
(12,659,025)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
14,026,553
|
(1,560,618)
|
17,511,380
|
(35,992,048)
|
| Commodities Contracts [Member] | Net realized gain (loss) on futures contracts and/or swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and/or swap agreements [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
124,600,984
|
(44,563,292)
|
(97,226,728)
|
91,065
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
80,953,188
|
20,547,016
|
66,356,953
|
44,377,650
|
| Commodities Contracts [Member] | Net realized gain (loss) on futures contracts and/or swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and/or swap agreements [Member] | ProShares UltraShort Gold [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
5,846,099
|
(2,516,474)
|
2,403,495
|
(3,914,287)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
5,933,528
|
1,264,436
|
1,607,812
|
919,857
|
| Commodities Contracts [Member] | Net realized gain (loss) on futures contracts and/or swap agreements/ changes in unrealized appreciation (depreciation) on futures contracts and/or swap agreements [Member] | ProShares UltraShort Silver [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(3,327,232)
|
(16,070,138)
|
(6,436,218)
|
(10,290,118)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
2,491,447
|
4,902,824
|
(2,560,601)
|
3,484,222
|
| Foreign Exchange Contracts [Member] | Net realized gain (loss) on foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on foreign currency forward contracts [Member] | ProShares Ultra Euro [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
616,633
|
(219,350)
|
777,150
|
(74,776)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
415,771
|
62,167
|
610,648
|
(447,347)
|
| Foreign Exchange Contracts [Member] | Net realized gain (loss) on foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on foreign currency forward contracts [Member] | ProShares Ultra Yen [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
1,428,203
|
(5,365,623)
|
3,070,845
|
(7,397,198)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
2,283,730
|
(842,412)
|
4,951,669
|
(4,421,343)
|
| Foreign Exchange Contracts [Member] | Net realized gain (loss) on foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on foreign currency forward contracts [Member] | ProShares UltraShort Euro [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(3,936,993)
|
900,760
|
(5,567,946)
|
(43,101)
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
(1,538,631)
|
(199,005)
|
(2,883,349)
|
2,768,728
|
| Foreign Exchange Contracts [Member] | Net realized gain (loss) on foreign currency forward contracts/ changes in unrealized appreciation (depreciation) on foreign currency forward contracts [Member] | ProShares UltraShort Yen [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Realized Gain (Loss) on Derivatives Recognized in Income |
(1,138,324)
|
4,417,569
|
(1,297,018)
|
6,122,840
|
| Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income |
$ (710,709)
|
$ 1,529,867
|
$ (2,515,360)
|
$ 4,468,019
|