v3.21.1

Statements of Changes in Shareholders' Equity - USD ($) | Total | ProShares Short Euro [Member] | ProShares Short VIX Short-Term Futures ETF [Member] | ProShares Ultra Bloomberg Crude Oil [Member] | ProShares Ultra Bloomberg Natural Gas [Member] | ProShares Ultra Euro [Member] | ProShares Ultra Gold [Member] | ProShares Ultra Silver [Member] | ProShares Ultra VIX Short-Term Futures ETF [Member] | ProShares Ultra Yen [Member] | ProShares UltraShort Australian Dollar [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] | ProShares UltraShort Euro [Member] | ProShares UltraShort Gold [Member] | ProShares UltraShort Silver [Member] | ProShares UltraShort Yen [Member] | ProShares VIX Mid-Term Futures ETF [Member] | ProShares VIX Short-Term Futures ETF [Member]
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Shareholders' equity, beginning of period at Dec. 31, 2019 | $ 2,356,325,101 | [1] | $ 2,282,195 | $ 284,437,179 | $ 309,844,582 | $ 45,160,205 | $ 6,204,424 | $ 110,726,032 | $ 239,254,842 | $ 527,636,003 | $ 5,580,964 | $ 5,608,612 | $ 125,451,681 | $ 12,515,603 | $ 120,581,173 | $ 21,047,560 | $ 13,834,163 | $ 38,132,320 | $ 45,986,584 | $ 279,792,503
Addition of shares | 3,084,661,161 | [1] |  | 883,568,508 | 1,058,330,164 | 15,680,240 | 669,855 | 64,993,775 | 14,162,113 | 359,090,211 |  |  | 71,229,475 | 29,104,581 | 5,754,066 | 9,689,641 | 5,962,843 | 3,956,753 | 10,708,061 | 78,257,089
Redemption of shares | (2,662,911,931) | [1] |  | (135,147,487) | (105,010,791) | (6,910,889) | (2,653,574) | (49,747,615) | (35,148,766) | (1,195,778,603) | (2,746,014) |  | (224,811,779) | (33,139,760) | (37,514,389) | (6,929,927) | (5,945,290) | (11,341,060) | (35,447,574) | (528,778,295)
Net addition (redemption) of shares | 421,749,230 | [1] |  | 748,421,021 | 953,319,373 | 8,769,351 | (1,983,719) | 15,246,160 | (20,986,653) | (836,688,392) | (2,746,014) |  | (153,582,304) | (4,035,179) | (31,760,323) | 2,759,714 | 17,553 | (7,384,307) | (24,739,513) | (450,521,206)
Net investment income (loss) | (136,924) | [1] | 1,992 | (355,596) | 404,884 | (2,351) | 3,247 | 108,908 | 276,832 | (729,265) | 1,626 | 3,425 | (30,713) | (22,279) | 136,215 | 15,678 | 3,419 | 41,746 | 47,920 | 144,025
Net realized gain (loss) | 26,787,188 | [1] | (18,638) | (244,300,604) | (505,553,797) | (22,818,551) | (53,268) | 21,498,056 | (3,697,654) | 726,085,231 | (8,483) | 670,950 | 51,674,002 | 5,626,177 | 1,047,283 | (5,930,882) | 842,240 | (506,520) | 7,756,525 | 325,737,788
Change in net unrealized appreciation (depreciation) | (58,422,629) | [1] | 67,294 | 21,055,658 | (322,421,661) | (4,437,037) | (221,542) | (19,097,360) | (85,061,831) | 176,516,915 | (19,313) | 947,380 | 76,581,357 | 3,335,611 | 3,190,251 | 2,676,974 | 4,190,456 | (697,069) | 15,982,870 | 67,902,244
Net income (loss) | (31,772,365) | [1] | 50,648 | (223,600,542) | (827,570,574) | (27,257,939) | (271,563) | 2,509,604 | (88,482,653) | 901,872,881 | (26,170) | 1,621,755 | 128,224,646 | 8,939,509 | 4,373,749 | (3,238,230) | 5,036,115 | (1,161,843) | 23,787,315 | 393,784,057
Shareholders' equity, end of period at Mar. 31, 2020 | 2,746,301,966 | [1] | 2,332,843 | 809,257,658 | 435,593,381 | 26,671,617 | 3,949,142 | 128,481,796 | 129,785,536 | 592,820,492 | 2,808,780 | 7,230,367 | 100,094,023 | 17,419,933 | 93,194,599 | 20,569,044 | 18,887,831 | 29,586,170 | 45,034,386 | 223,055,354
Shareholders' equity, beginning of period at Dec. 31, 2020 | 4,474,251,414 |  | 4,191,955 | 409,371,468 | 902,739,250 | 169,800,371 | 4,737,350 | 263,540,473 | 745,304,028 | 1,356,204,199 | 2,989,499 | 2,222,639 | 96,839,233 | 24,977,745 | 52,953,339 | 20,337,376 | 28,885,775 | 23,691,070 | 72,075,095 | 293,390,549
Addition of shares | 3,034,497,796 |  |  | 98,109,468 | 117,044,190 | 76,480,823 |  | 37,062,261 | 120,399,635 | 1,939,143,031 |  |  | 64,302,979 | 142,050,186 | 4,613,244 | 27,291,216 | 58,095,647 | 7,132,412 | 15,879,994 | 326,892,710
Redemption of shares | (2,090,134,871) |  | (2,146,812) | (45,242,254) | (297,832,084) | (195,343,047) | (777,738) | (32,994,618) | (158,627,600) | (1,014,045,676) |  |  | (25,583,717) | (106,843,919) | (6,980,338) | (10,139,542) | (46,271,940) |  | (7,891,336) | (139,414,250)
Net addition (redemption) of shares | 944,362,925 |  | (2,146,812) | 52,867,214 | (180,787,894) | (118,862,224) | (777,738) | 4,067,643 | (38,227,965) | 925,097,355 |  |  | 38,719,262 | 35,206,267 | (2,367,094) | 17,151,674 | 11,823,707 | 7,132,412 | 7,988,658 | 187,478,460
Net investment income (loss) | (17,376,472) |  | (8,638) | (1,442,366) | (2,759,147) | (415,145) | (9,494) | (579,670) | (1,741,775) | (8,069,549) | (6,293) | (5,267) | (301,184) | (260,407) | (116,872) | (69,041) | (99,063) | (62,957) | (204,800) | (1,224,804)
Net realized gain (loss) | (477,186,271) |  | 69,393 | 24,209,417 | 334,351,228 | 41,582,936 | (27,342) | (51,247,887) | 4,910,742 | (704,499,504) | (139,467) | (164,544) | (49,177,765) | (6,359,394) | 70,527 | 4,003,359 | (2,932,266) | 1,259,573 | 3,539,316 | (76,634,593)
Change in net unrealized appreciation (depreciation) | (389,847,943) |  | 78,642 | 42,125,118 | 35,035,656 | (17,798,868) | (311,052) | (1,232,503) | (137,743,781) | (284,359,331) | (256,045) | 206,052 | 5,638,844 | 15,895,064 | 4,392,237 | (179,853) | 7,466,511 | 2,901,742 | (8,275,522) | (53,430,854)
Net income (loss) | (884,410,686) |  | 139,397 | 64,892,169 | 366,627,737 | 23,368,923 | (347,888) | (53,060,060) | (134,574,814) | (996,928,384) | (401,805) | 36,241 | (43,840,105) | 9,275,263 | 4,345,892 | 3,754,465 | 4,435,182 | 4,098,358 | (4,941,006) | (131,290,251)
Shareholders' equity, end of period at Mar. 31, 2021 | $ 4,534,203,653 |  | $ 2,184,540 | $ 527,130,851 | $ 1,088,579,093 | $ 74,307,070 | $ 3,611,724 | $ 214,548,056 | $ 572,501,249 | $ 1,284,373,170 | $ 2,587,694 | $ 2,258,880 | $ 91,718,390 | $ 69,459,275 | $ 54,932,137 | $ 41,243,515 | $ 45,144,664 | $ 34,921,840 | $ 75,122,747 | $ 349,578,758
[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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