v3.21.1

Statements of Operations - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Investment Income |  |  |  |
Interest |  | $ 549,742 | $ 7,499,714 | [1]
Expenses |  |  |  |
Management fee |  | 12,169,010 | 5,838,804 | [1]
Brokerage commissions |  | 2,903,800 | 1,746,456 | [1]
Brokerage fees |  | 2,853,404 | 51,378 | [1]
Total expenses |  | 17,926,214 | 7,636,638 | [1]
Net investment income (loss) |  | (17,376,472) | (136,924) | [1]
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (477,186,271) | 26,787,188 | [1]
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (389,847,943) | (58,422,629) | [1]
Net realized and unrealized gain (loss) |  | (867,034,214) | (31,635,441) | [1]
Net income (loss) |  | (884,410,686) | (31,772,365) | [1]
Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (534,133,804) | 315,177,827 | [1]
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (257,111,138) | 279,530,155 | [1]
Swap Agreements [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 55,764,481 | (279,339,085) | [1]
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (139,568,146) | (341,111,914) | [1]
Option [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) | [1] |  | (9,707,000) |
Foreign Currency Forward Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 1,163,291 | 479,012 | [1]
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 6,725,056 | 2,198,013 | [1]
U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 19,761 | 176,434 | [1]
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 106,285 | 961,117 | [1]
ProShares Short Euro [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 596 | 7,595 |
Expenses |  |  |  |
Management fee |  | 9,053 | 5,503 |
Brokerage commissions |  | 181 | 100 |
Total expenses |  | 9,234 | 5,603 |
Net investment income (loss) |  | (8,638) | 1,992 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 69,393 | (18,638) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 78,642 | 67,294 |
Net realized and unrealized gain (loss) |  | 148,035 | 48,656 |
Net income (loss) |  | 139,397 | 50,648 |
ProShares Short Euro [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 69,393 | (18,638) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 78,554 | 67,324 |
ProShares Short Euro [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 88 | (30) |
ProShares Short VIX Short-Term Futures ETF [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 33,890 | 749,861 |
Expenses |  |  |  |
Management fee |  | 1,042,569 | 886,197 |
Brokerage commissions |  | 175,910 | 189,532 |
Brokerage fees |  | 257,777 | 29,728 |
Total expenses |  | 1,476,256 | 1,105,457 |
Net investment income (loss) |  | (1,442,366) | (355,596) |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 24,209,417 | (244,300,604) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 42,125,118 | 21,055,658 |
Net realized and unrealized gain (loss) |  | 66,334,535 | (223,244,946) |
Net income (loss) |  | 64,892,169 | (223,600,542) |
ProShares Short VIX Short-Term Futures ETF [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 24,209,417 | (244,300,604) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 42,121,892 | 20,973,802 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 3,226 | 81,856 |
ProShares Ultra Bloomberg Crude Oil [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 168,075 | 1,401,460 |
Expenses |  |  |  |
Management fee |  | 2,535,085 | 870,239 |
Brokerage commissions |  | 293,200 | 126,337 |
Brokerage fees |  | 98,937 |  |
Total expenses |  | 2,927,222 | 996,576 |
Net investment income (loss) |  | (2,759,147) | 404,884 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 334,351,228 | (505,553,797) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 35,035,656 | (322,421,661) |
Net realized and unrealized gain (loss) |  | 369,386,884 | (827,975,458) |
Net income (loss) |  | 366,627,737 | (827,570,574) |
ProShares Ultra Bloomberg Crude Oil [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 191,676,501 | (88,947,210) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 93,984,872 | (73,713,718) |
ProShares Ultra Bloomberg Crude Oil [Member] | Swap Agreements [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 142,674,727 | (416,644,056) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (58,990,789) | (249,062,832) |
ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  |  | 37,469 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 41,573 | 354,889 |
ProShares Ultra Bloomberg Natural Gas [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 13,815 | 139,339 |
Expenses |  |  |  |
Management fee |  | 254,815 | 97,108 |
Brokerage commissions |  | 92,297 | 44,582 |
Brokerage fees |  | 81,848 |  |
Total expenses |  | 428,960 | 141,690 |
Net investment income (loss) |  | (415,145) | (2,351) |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 41,582,936 | (22,818,551) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (17,798,868) | (4,437,037) |
Net realized and unrealized gain (loss) |  | 23,784,068 | (27,255,588) |
Net income (loss) |  | 23,368,923 | (27,257,939) |
ProShares Ultra Bloomberg Natural Gas [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 41,582,385 | (22,819,605) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (17,800,783) | (4,466,823) |
ProShares Ultra Bloomberg Natural Gas [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 551 | 1,054 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 1,915 | 29,786 |
ProShares Ultra Euro [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 584 | 15,801 |
Expenses |  |  |  |
Management fee |  | 10,078 | 12,554 |
Total expenses |  | 10,078 | 12,554 |
Net investment income (loss) |  | (9,494) | 3,247 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (27,342) | (53,268) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (311,052) | (221,542) |
Net realized and unrealized gain (loss) |  | (338,394) | (274,810) |
Net income (loss) |  | (347,888) | (271,563) |
ProShares Ultra Euro [Member] | Foreign Currency Forward Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (27,342) | (53,268) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (311,140) | (221,334) |
ProShares Ultra Euro [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 88 | (208) |
ProShares Ultra Gold [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 35,827 | 414,684 |
Expenses |  |  |  |
Management fee |  | 568,207 | 295,411 |
Brokerage commissions |  | 14,888 | 10,365 |
Brokerage fees |  | 32,402 |  |
Total expenses |  | 615,497 | 305,776 |
Net investment income (loss) |  | (579,670) | 108,908 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (51,247,887) | 21,498,056 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (1,232,503) | (19,097,360) |
Net realized and unrealized gain (loss) |  | (52,480,390) | 2,400,696 |
Net income (loss) |  | (53,060,060) | 2,509,604 |
ProShares Ultra Gold [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (16,805,897) | (68,161) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (2,253,749) | (3,638,236) |
ProShares Ultra Gold [Member] | Swap Agreements [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (34,442,235) | 21,566,217 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 1,019,450 | (15,515,060) |
ProShares Ultra Gold [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 245 |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 1,796 | 55,936 |
ProShares Ultra Silver [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 98,129 | 776,287 |
Expenses |  |  |  |
Management fee |  | 1,631,135 | 481,247 |
Brokerage commissions |  | 46,582 | 18,208 |
Brokerage fees |  | 162,187 |  |
Total expenses |  | 1,839,904 | 499,455 |
Net investment income (loss) |  | (1,741,775) | 276,832 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 4,910,742 | (3,697,654) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (137,743,781) | (85,061,831) |
Net realized and unrealized gain (loss) |  | (132,833,039) | (88,759,485) |
Net income (loss) |  | (134,574,814) | (88,482,653) |
ProShares Ultra Silver [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 6,896,270 | (9,641,976) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (52,592,033) | (4,249,586) |
ProShares Ultra Silver [Member] | Swap Agreements [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (1,985,719) | 5,944,322 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (85,173,669) | (80,923,026) |
ProShares Ultra Silver [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 191 |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 21,921 | 110,781 |
ProShares Ultra VIX Short-Term Futures ETF [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 113,969 | 1,411,740 |
Expenses |  |  |  |
Management fee |  | 4,383,077 | 1,383,275 |
Brokerage commissions |  | 1,956,628 | 741,009 |
Brokerage fees |  | 1,843,813 | 16,721 |
Total expenses |  | 8,183,518 | 2,141,005 |
Net investment income (loss) |  | (8,069,549) | (729,265) |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (704,499,504) | 726,085,231 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (284,359,331) | 176,516,915 |
Net realized and unrealized gain (loss) |  | (988,858,835) | 902,602,146 |
Net income (loss) |  | (996,928,384) | 901,872,881 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (653,063,682) | 656,145,228 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (284,403,583) | 198,355,954 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | Swap Agreements [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (51,454,342) | 69,940,003 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 24,807 | (21,974,093) |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 18,520 |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 19,445 | 135,054 |
ProShares Ultra Yen [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 356 | 8,867 |
Expenses |  |  |  |
Management fee |  | 6,649 | 7,241 |
Total expenses |  | 6,649 | 7,241 |
Net investment income (loss) |  | (6,293) | 1,626 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (139,467) | (8,483) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (256,045) | (19,313) |
Net realized and unrealized gain (loss) |  | (395,512) | (27,796) |
Net income (loss) |  | (401,805) | (26,170) |
ProShares Ultra Yen [Member] | Foreign Currency Forward Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (139,467) | (8,483) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (256,089) | (19,239) |
ProShares Ultra Yen [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 44 | (74) |
ProShares UltraShort Australian Dollar [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 258 | 20,054 |
Expenses |  |  |  |
Management fee |  | 5,139 | 15,130 |
Brokerage commissions |  | 386 | 1,499 |
Total expenses |  | 5,525 | 16,629 |
Net investment income (loss) |  | (5,267) | 3,425 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (164,544) | 670,950 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 206,052 | 947,380 |
Net realized and unrealized gain (loss) |  | 41,508 | 1,618,330 |
Net income (loss) |  | 36,241 | 1,621,755 |
ProShares UltraShort Australian Dollar [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (164,544) | 670,950 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 206,052 | 947,586 |
ProShares UltraShort Australian Dollar [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  |  | (206) |
ProShares UltraShort Bloomberg Crude Oil [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 10,835 | 248,709 |
Expenses |  |  |  |
Management fee |  | 221,263 | 202,369 |
Brokerage commissions |  | 43,044 | 77,053 |
Brokerage fees |  | 47,712 |  |
Total expenses |  | 312,019 | 279,422 |
Net investment income (loss) |  | (301,184) | (30,713) |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (49,177,765) | 51,674,002 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 5,638,844 | 76,581,357 |
Net realized and unrealized gain (loss) |  | (43,538,921) | 128,255,359 |
Net income (loss) |  | (43,840,105) | 128,224,646 |
ProShares UltraShort Bloomberg Crude Oil [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (49,177,765) | 6,504,689 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 5,636,634 | 54,837,080 |
ProShares UltraShort Bloomberg Crude Oil [Member] | Swap Agreements [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  |  | 45,169,333 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  |  | 21,741,150 |
ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  |  | (20) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 2,210 | 3,127 |
ProShares UltraShort Bloomberg Natural Gas [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 7,883 | 42,432 |
Expenses |  |  |  |
Management fee |  | 159,337 | 32,430 |
Brokerage commissions |  | 85,680 | 32,281 |
Brokerage fees |  | 23,273 |  |
Total expenses |  | 268,290 | 64,711 |
Net investment income (loss) |  | (260,407) | (22,279) |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (6,359,394) | 5,626,177 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 15,895,064 | 3,335,611 |
Net realized and unrealized gain (loss) |  | 9,535,670 | 8,961,788 |
Net income (loss) |  | 9,275,263 | 8,939,509 |
ProShares UltraShort Bloomberg Natural Gas [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (6,359,394) | 5,626,177 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 15,893,547 | 3,334,986 |
ProShares UltraShort Bloomberg Natural Gas [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 1,517 | 625 |
ProShares UltraShort Euro [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 7,166 | 399,657 |
Expenses |  |  |  |
Management fee |  | 124,038 | 263,442 |
Total expenses |  | 124,038 | 263,442 |
Net investment income (loss) |  | (116,872) | 136,215 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 70,527 | 1,047,283 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 4,392,237 | 3,190,251 |
Net realized and unrealized gain (loss) |  | 4,462,764 | 4,237,534 |
Net income (loss) |  | 4,345,892 | 4,373,749 |
ProShares UltraShort Euro [Member] | Foreign Currency Forward Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 70,527 | 1,047,283 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 4,391,397 | 3,137,931 |
ProShares UltraShort Euro [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 840 | 52,320 |
ProShares UltraShort Gold [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 2,962 | 61,021 |
Expenses |  |  |  |
Management fee |  | 63,727 | 43,239 |
Brokerage commissions |  | 3,590 | 2,104 |
Brokerage fees |  | 4,686 |  |
Total expenses |  | 72,003 | 45,343 |
Net investment income (loss) |  | (69,041) | 15,678 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 4,003,359 | (5,930,882) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (179,853) | 2,676,974 |
Net realized and unrealized gain (loss) |  | 3,823,506 | (3,253,908) |
Net income (loss) |  | 3,754,465 | (3,238,230) |
ProShares UltraShort Gold [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 1,334,982 | (2,028,666) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 236,075 | 641,113 |
ProShares UltraShort Gold [Member] | Swap Agreements [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 2,668,208 | (3,902,216) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (416,739) | 2,034,683 |
ProShares UltraShort Gold [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 169 |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 811 | 1,178 |
ProShares UltraShort Silver [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 3,117 | 44,536 |
Expenses |  |  |  |
Management fee |  | 84,745 | 37,136 |
Brokerage commissions |  | 7,444 | 3,981 |
Brokerage fees |  | 9,991 |  |
Total expenses |  | 102,180 | 41,117 |
Net investment income (loss) |  | (99,063) | 3,419 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (2,932,266) | 842,240 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 7,466,511 | 4,190,456 |
Net realized and unrealized gain (loss) |  | 4,534,245 | 5,032,696 |
Net income (loss) |  | 4,435,182 | 5,036,115 |
ProShares UltraShort Silver [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (1,236,193) | 1,920,009 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 3,496,970 | 1,603,007 |
ProShares UltraShort Silver [Member] | Swap Agreements [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (1,696,158) | (1,077,769) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 3,968,794 | 2,587,264 |
ProShares UltraShort Silver [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 85 |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 747 | 185 |
ProShares UltraShort Yen [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 3,596 | 126,183 |
Expenses |  |  |  |
Management fee |  | 66,553 | 84,437 |
Total expenses |  | 66,553 | 84,437 |
Net investment income (loss) |  | (62,957) | 41,746 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 1,259,573 | (506,520) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 2,901,742 | (697,069) |
Net realized and unrealized gain (loss) |  | 4,161,315 | (1,203,589) |
Net income (loss) |  | 4,098,358 | (1,161,843) |
ProShares UltraShort Yen [Member] | Foreign Currency Forward Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 1,259,573 | (506,520) |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 2,900,888 | (699,345) |
ProShares UltraShort Yen [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 854 | 2,276 |
ProShares VIX Mid-Term Futures ETF [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 10,224 | 158,298 |
Expenses |  |  |  |
Management fee |  | 178,080 | 94,284 |
Brokerage commissions |  | 11,312 | 15,939 |
Brokerage fees |  | 25,632 | 155 |
Total expenses |  | 215,024 | 110,378 |
Net investment income (loss) |  | (204,800) | 47,920 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 3,539,316 | 7,756,525 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (8,275,522) | 15,982,870 |
Net realized and unrealized gain (loss) |  | (4,736,206) | 23,739,395 |
Net income (loss) |  | (4,941,006) | 23,787,315 |
ProShares VIX Mid-Term Futures ETF [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | 3,539,316 | 7,756,525 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (8,276,672) | 15,963,130 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | 1,150 | 19,740 |
ProShares VIX Short-Term Futures ETF [Member] |  |  |  |
Investment Income |  |  |  |
Interest |  | 38,460 | 960,075 |
Expenses |  |  |  |
Management fee |  | 825,460 | 626,516 |
Brokerage commissions |  | 172,658 | 184,760 |
Brokerage fees |  | 265,146 | 4,774 |
Total expenses |  | 1,263,264 | 816,050 |
Net investment income (loss) |  | (1,224,804) | 144,025 |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (76,634,593) | 325,737,788 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (53,430,854) | 67,902,244 |
Net realized and unrealized gain (loss) |  | (130,065,447) | 393,640,032 |
Net income (loss) |  | (131,290,251) | 393,784,057 |
ProShares VIX Short-Term Futures ETF [Member] | Futures Contracts [Member] |  |  |  |
Net realized gain (loss) on |  |  |  |
Net realized gain (loss) |  | (76,634,593) | 325,737,788 |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | (53,438,914) | 67,783,030 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Government Agencies Short-term Debt Securities [Member] |  |  |  |
Change in net unrealized appreciation (depreciation) on |  |  |  |
Change in net unrealized appreciation (depreciation) |  | $ 8,060 | $ 119,214 |
[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.

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