v2.4.0.8

Statements of Cash Flows (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
ProShares UltraShort DJ-UBS Commodity [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | $ (513,697) | $ 60,032
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Net sale (purchase) of short-term U.S. government and agency obligations | 967,212 | (259,095)
Change in unrealized appreciation/depreciation on investments | (129,989) | 241,608
Increase (Decrease) in management fee payable | (394) | 2,437
Net cash provided by (used in) operating activities | 323,132 | 44,982
Cash flow from financing activities |  |
Net increase (decrease) in cash | 323,132 | 44,982
Cash, beginning of period | 374,245 | 296,119
Cash, end of period | 697,377 | 341,101
ProShares UltraShort DJ-UBS Crude Oil [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | (16,265,435) | (7,948,186)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | (1,750,925) | (3,162,226)
Net sale (purchase) of short-term U.S. government and agency obligations | (40,675,851) | (58,428,161)
Change in unrealized appreciation/depreciation on investments | (1,638,091) | 5,762,292
Decrease (Increase) in receivable on futures contracts | 1,158,118 |
Increase (Decrease) in management fee payable | 58,766 | 176,430
Increase (Decrease) in payable on futures contracts |  | 371,637
Net cash provided by (used in) operating activities | (59,113,418) | (63,228,214)
Cash flow from financing activities |  |
Proceeds from addition of shares | 214,164,184 | 91,804,047
Payment on shares redeemed | (152,942,823) | (28,133,016)
Net cash provided by (used in) financing activities | 61,221,361 | 63,671,031
Net increase (decrease) in cash | 2,107,943 | 442,817
Cash, beginning of period | 1,872,915 | 658,676
Cash, end of period | 3,980,858 | 1,101,493
ProShares UltraShort DJ-UBS Natural Gas [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | (5,929,304) | (5,723,203)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | (8,719,700) | (1,092,470)
Net sale (purchase) of short-term U.S. government and agency obligations | (38,476,294) | (11,150,709)
Change in unrealized appreciation/depreciation on investments | (2,243) | 224
Decrease (Increase) in receivable on futures contracts | (1,231,947) | 190,419
Increase (Decrease) in management fee payable | 54,169 | 13,807
Net cash provided by (used in) operating activities | (54,305,319) | (17,761,932)
Cash flow from financing activities |  |
Proceeds from addition of shares | 89,514,809 | 19,490,998
Payment on shares redeemed | (32,775,728) | (1,383,116)
Net cash provided by (used in) financing activities | 56,739,081 | 18,107,882
Net increase (decrease) in cash | 2,433,762 | 345,950
Cash, beginning of period | 564,647 | 310,060
Cash, end of period | 2,998,409 | 656,010
ProShares UltraShort Gold [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | (19,493,987) | 5,680,363
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 2,970
Net sale (purchase) of short-term U.S. government and agency obligations | 43,151,202 | (19,580,879)
Change in unrealized appreciation/depreciation on investments | (2,902,238) | 6,975,338
Decrease (Increase) in receivable on futures contracts | (1,800) | (2,300)
Increase (Decrease) in management fee payable | (38,574) | 78,554
Increase (Decrease) in payable on futures contracts |  | (3,980)
Net cash provided by (used in) operating activities | 20,714,603 | (6,849,934)
Cash flow from financing activities |  |
Proceeds from addition of shares | 27,505,358 | 16,775,145
Payment on shares redeemed | (48,205,557) | (9,881,815)
Net cash provided by (used in) financing activities | (20,700,199) | 6,893,330
Net increase (decrease) in cash | 14,404 | 43,396
Cash, beginning of period | 197,647 | 175,194
Cash, end of period | 212,051 | 218,590
ProShares UltraShort Silver [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | (2,843,026) | 9,909,222
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 3,300
Net sale (purchase) of short-term U.S. government and agency obligations | 47,636,698 | (19,143,896)
Change in unrealized appreciation/depreciation on investments | (9,969,919) | 19,055,751
Decrease (Increase) in receivable on futures contracts | 2,450 | (2,890)
Increase (Decrease) in management fee payable | (31,378) | 89,524
Increase (Decrease) in payable on futures contracts | 440 | (2,520)
Net cash provided by (used in) operating activities | 34,795,265 | 9,908,491
Cash flow from financing activities |  |
Proceeds from addition of shares | 41,391,244 | 27,224,574
Payment on shares redeemed | (76,378,197) | (37,049,487)
Net cash provided by (used in) financing activities | (34,986,953) | (9,824,913)
Net increase (decrease) in cash | (191,688) | 83,578
Cash, beginning of period | 461,167 | 344,378
Cash, end of period | 269,479 | 427,956
ProShares Short Euro [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | (1,988) | 100,346
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | 27,225 | 3,850
Net sale (purchase) of short-term U.S. government and agency obligations | 1,674,609 | 37,779
Change in unrealized appreciation/depreciation on investments | 190 | 160
Decrease (Increase) in receivable on futures contracts | 9,100 | 6,612
Decrease (Increase) in Limitation by Sponsor |  | (1,307)
Change in offering cost |  | 10,110
Increase (Decrease) in management fee payable | (1,282) |
Increase (Decrease) in payable on futures contracts | 12,300 | 12,300
Net cash provided by (used in) operating activities | 1,720,154 | 169,850
Cash flow from financing activities |  |
Payment on shares redeemed | (1,792,584) |
Net cash provided by (used in) financing activities | (1,792,584) |
Net increase (decrease) in cash | (72,430) | 169,850
Cash, beginning of period | 863,980 | 302,359
Cash, end of period | 791,550 | 472,209
ProShares UltraShort Australian Dollar [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | (2,277,282) | (91,823)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | 207,570 | 27,390
Net sale (purchase) of short-term U.S. government and agency obligations | 4,970,625 | (27,222)
Change in unrealized appreciation/depreciation on investments | 415 | 159
Decrease (Increase) in receivable on futures contracts |  | (21,300)
Decrease (Increase) in Limitation by Sponsor |  | (1,341)
Change in offering cost |  | 10,110
Increase (Decrease) in management fee payable | (2,916) |
Increase (Decrease) in payable on futures contracts | 2,933 | (10,950)
Net cash provided by (used in) operating activities | 2,901,345 | (114,977)
Cash flow from financing activities |  |
Payment on shares redeemed | (4,540,263) |
Net cash provided by (used in) financing activities | (4,540,263) |
Net increase (decrease) in cash | (1,638,918) | (114,977)
Cash, beginning of period | 2,751,320 | 361,157
Cash, end of period | 1,112,402 | 246,180
ProShares UltraShort Euro [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | (3,067,792) | 22,769,095
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Net sale (purchase) of short-term U.S. government and agency obligations | 23,525,818 | 46,239,280
Change in unrealized appreciation/depreciation on investments | (10,013,710) | (26,812,281)
Increase (Decrease) in management fee payable | (17,998) | 258,112
Net cash provided by (used in) operating activities | 10,426,318 | 42,454,206
Cash flow from financing activities |  |
Proceeds from addition of shares | 3,360,054 | 40,321,956
Payment on shares redeemed | (13,798,403) | (82,800,121)
Net cash provided by (used in) financing activities | (10,438,349) | (42,478,165)
Net increase (decrease) in cash | (12,031) | (23,959)
Cash, beginning of period | 218,940 | 276,372
Cash, end of period | 206,909 | 252,413
ProShares UltraShort Yen [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | (25,587,106) | 60,564,672
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Net sale (purchase) of short-term U.S. government and agency obligations | 157,858,611 | (100,878,272)
Change in unrealized appreciation/depreciation on investments | 24,542,413 | 35,385,357
Increase (Decrease) in management fee payable | (105,150) | 409,085
Net cash provided by (used in) operating activities | 156,708,768 | (4,519,158)
Cash flow from financing activities |  |
Proceeds from addition of shares | 9,974,148 | 67,118,406
Payment on shares redeemed | (166,857,972) | (62,493,620)
Net cash provided by (used in) financing activities | (156,883,824) | 4,624,786
Net increase (decrease) in cash | (175,056) | 105,628
Cash, beginning of period | 575,108 | 363,826
Cash, end of period | 400,052 | 469,454
ProShares Ultra DJ-UBS Commodity [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | 401,270 | (99,267)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Net sale (purchase) of short-term U.S. government and agency obligations | 405,883 | 2,890,227
Change in unrealized appreciation/depreciation on investments | 129,115 | (421,243)
Increase (Decrease) in management fee payable | 309 | 2,392
Net cash provided by (used in) operating activities | 936,577 | 2,372,109
Cash flow from financing activities |  |
Payment on shares redeemed |  | (1,275,613)
Net cash provided by (used in) financing activities |  | (1,275,613)
Net increase (decrease) in cash | 936,577 | 1,096,496
Cash, beginning of period | 85,642 | 167,546
Cash, end of period | 1,022,219 | 1,264,042
ProShares Ultra DJ-UBS Crude Oil [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | 21,342,810 | 37,021,860
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | 896,115 | 9,447,127
Net sale (purchase) of short-term U.S. government and agency obligations | 25,373,056 | 133,651,080
Change in unrealized appreciation/depreciation on investments | 1,006,506 | 8,151,508
Decrease (Increase) in receivable on futures contracts | (121,862) | 1,044,112
Increase (Decrease) in management fee payable | (46,160) | 97,262
Increase (Decrease) in payable on futures contracts | (997,210) |
Net cash provided by (used in) operating activities | 47,453,255 | 189,412,949
Cash flow from financing activities |  |
Proceeds from addition of shares | 127,214,584 | 24,265,179
Payment on shares redeemed | (173,675,237) | (214,347,828)
Net cash provided by (used in) financing activities | (46,460,653) | (190,082,649)
Net increase (decrease) in cash | 992,602 | (669,700)
Cash, beginning of period | 689,596 | 2,198,932
Cash, end of period | 1,682,198 | 1,529,232
ProShares Ultra DJ-UBS Natural Gas [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | 18,491,246 | 23,414,359
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | 3,397,900 | 4,378,210
Net sale (purchase) of short-term U.S. government and agency obligations | 40,640,631 | 10,612,320
Change in unrealized appreciation/depreciation on investments | 2,402 | (1,275)
Increase (Decrease) in management fee payable | (58,040) | 59,580
Increase (Decrease) in payable on futures contracts | (4,578,015) | (4,057,094)
Net cash provided by (used in) operating activities | 57,896,124 | 34,406,100
Cash flow from financing activities |  |
Proceeds from addition of shares | 9,133,238 | 35,932,249
Payment on shares redeemed | (69,328,413) | (70,895,102)
Net cash provided by (used in) financing activities | (60,195,175) | (34,962,853)
Net increase (decrease) in cash | (2,299,051) | (556,753)
Cash, beginning of period | 3,102,827 | 3,385,764
Cash, end of period | 803,776 | 2,829,011
ProShares Ultra Gold [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | 17,925,978 | (26,233,564)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 2,970
Net sale (purchase) of short-term U.S. government and agency obligations | (7,448,937) | 43,232,276
Change in unrealized appreciation/depreciation on investments | 5,187,733 | (24,865,912)
Decrease (Increase) in receivable on futures contracts |  | 3,980
Increase (Decrease) in management fee payable | 8,545 | 210,040
Increase (Decrease) in payable on futures contracts | 1,900 | 2,300
Net cash provided by (used in) operating activities | 15,675,219 | (7,647,910)
Cash flow from financing activities |  |
Proceeds from addition of shares | 4,708,180 | 7,641,793
Payment on shares redeemed | (20,378,685) |
Net cash provided by (used in) financing activities | (15,670,505) | 7,641,793
Net increase (decrease) in cash | 4,714 | (6,117)
Cash, beginning of period | 142,566 | 342,345
Cash, end of period | 147,280 | 336,228
ProShares Ultra Silver [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | 17,192,792 | (79,680,125)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts |  | 3,300
Net sale (purchase) of short-term U.S. government and agency obligations | (62,836,134) | 136,068,407
Change in unrealized appreciation/depreciation on investments | 55,649,409 | (137,606,367)
Decrease (Increase) in receivable on futures contracts |  | 2,520
Increase (Decrease) in management fee payable | 37,130 | 486,307
Increase (Decrease) in payable on futures contracts | (2,070) | 2,890
Net cash provided by (used in) operating activities | 10,041,127 | (80,723,068)
Cash flow from financing activities |  |
Proceeds from addition of shares | 43,273,004 | 87,889,563
Payment on shares redeemed | (53,246,602) | (7,301,114)
Net cash provided by (used in) financing activities | (9,973,598) | 80,588,449
Net increase (decrease) in cash | 67,529 | (134,619)
Cash, beginning of period | 463,001 | 890,051
Cash, end of period | 530,530 | 755,432
ProShares Ultra Australian Dollar [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | 276,371 | 64,938
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | (23,760) | 24,750
Net sale (purchase) of short-term U.S. government and agency obligations | (59,530) | (106,168)
Change in unrealized appreciation/depreciation on investments | 77 | 159
Decrease (Increase) in receivable on futures contracts | (2,853) | 12,000
Decrease (Increase) in Limitation by Sponsor |  | (334)
Change in offering cost |  | 10,110
Increase (Decrease) in management fee payable | 69 |
Increase (Decrease) in payable on futures contracts |  | 22,982
Net cash provided by (used in) operating activities | 190,374 | 28,437
Cash flow from financing activities |  |
Net increase (decrease) in cash | 190,374 | 28,437
Cash, beginning of period | 314,796 | 426,634
Cash, end of period | 505,170 | 455,071
ProShares Ultra Euro [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | (545) | (297,249)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Net sale (purchase) of short-term U.S. government and agency obligations | 148,087 | 68,002
Change in unrealized appreciation/depreciation on investments | 80,017 | 221,177
Increase (Decrease) in management fee payable | (604) | 3,545
Net cash provided by (used in) operating activities | 226,955 | (4,525)
Cash flow from financing activities |  |
Net increase (decrease) in cash | 226,955 | (4,525)
Cash, beginning of period | 49,723 | 240,086
Cash, end of period | 276,678 | 235,561
ProShares Ultra Yen [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | 101,117 | (804,414)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Net sale (purchase) of short-term U.S. government and agency obligations | 456,603 | 1,052,825
Change in unrealized appreciation/depreciation on investments | (117,978) | (423,575)
Increase (Decrease) in management fee payable | 46 | 3,411
Net cash provided by (used in) operating activities | 439,788 | (171,753)
Cash flow from financing activities |  |
Proceeds from addition of shares |  | 1,323,474
Payment on shares redeemed |  | (1,180,652)
Net cash provided by (used in) financing activities |  | 142,822
Net increase (decrease) in cash | 439,788 | (28,931)
Cash, beginning of period | 28,116 | 138,033
Cash, end of period | 467,904 | 109,102
ProShares VIX Short-Term Futures ETF [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | 27,053,653 | (63,862,766)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | 39,131,350 | (32,971,498)
Net sale (purchase) of short-term U.S. government and agency obligations | 113,480,989 | (8,875,959)
Change in unrealized appreciation/depreciation on investments | 4,584 | 71
Decrease (Increase) in receivable on futures contracts | 3,179,017 |
Increase (Decrease) in management fee payable | (122,678) | 142,555
Increase (Decrease) in payable on futures contracts | 3,088,786 | (29,068,833)
Net cash provided by (used in) operating activities | 185,815,701 | (134,636,430)
Cash flow from financing activities |  |
Proceeds from addition of shares | 42,065,649 | 197,130,250
Payment on shares redeemed | (230,347,582) | (62,230,720)
Net cash provided by (used in) financing activities | (188,281,933) | 134,899,530
Net increase (decrease) in cash | (2,466,232) | 263,100
Cash, beginning of period | 4,333,752 | 2,989,958
Cash, end of period | 1,867,520 | 3,253,058
ProShares VIX Mid-Term Futures ETF [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | (2,617,480) | (10,764,420)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | (675,210) | (9,121,501)
Net sale (purchase) of short-term U.S. government and agency obligations | (2,655,070) | 30,227,208
Change in unrealized appreciation/depreciation on investments | (468) | 1,220
Decrease (Increase) in receivable on futures contracts | 100,734 | (211,350)
Increase (Decrease) in management fee payable | (3,141) | 20,663
Increase (Decrease) in payable on futures contracts | 1,009,664 | (1,890,675)
Net cash provided by (used in) operating activities | (4,840,971) | 8,261,145
Cash flow from financing activities |  |
Proceeds from addition of shares | 21,263,524 | 51,106,840
Payment on shares redeemed | (17,309,533) | (60,144,511)
Net cash provided by (used in) financing activities | 3,953,991 | (9,037,671)
Net increase (decrease) in cash | (886,980) | (776,526)
Cash, beginning of period | 1,906,397 | 2,063,715
Cash, end of period | 1,019,417 | 1,287,189
ProShares Ultra VIX Short-Term Futures ETF [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | (10,320,895) | (144,849,612)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | (26,944,250) | (172,363,485)
Net sale (purchase) of short-term U.S. government and agency obligations | (64,317,479) | (21,339,348)
Change in unrealized appreciation/depreciation on investments | (2,542) | 296,786
Increase (Decrease) in management fee payable | 44,327 | 304,837
Increase (Decrease) in payable on futures contracts | 21,168,707 | (30,704,802)
Net cash provided by (used in) operating activities | (80,372,132) | (368,655,624)
Cash flow from financing activities |  |
Proceeds from addition of shares | 302,055,786 | 626,858,240
Payment on shares redeemed | (220,376,697) | (257,521,767)
Net cash provided by (used in) financing activities | 81,679,089 | 369,336,473
Net increase (decrease) in cash | 1,306,957 | 680,849
Cash, beginning of period | 2,240,977 | 1,790,825
Cash, end of period | 3,547,934 | 2,471,674
ProShares Short VIX Short-Term Futures ETF [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | 1,930,964 | 28,764,997
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | (11,354,850) | (342,005)
Net sale (purchase) of short-term U.S. government and agency obligations | (63,929,582) | 7,853,847
Change in unrealized appreciation/depreciation on investments | (1,509) | 1,662
Decrease (Increase) in receivable on futures contracts | (5,880,498) | 5,052,699
Increase (Decrease) in management fee payable | 64,588 | 33,669
Net cash provided by (used in) operating activities | (79,170,887) | 41,364,869
Cash flow from financing activities |  |
Proceeds from addition of shares | 162,438,045 | 129,929,850
Payment on shares redeemed | (80,333,451) | (171,675,379)
Net cash provided by (used in) financing activities | 82,104,594 | (41,745,529)
Net increase (decrease) in cash | 2,933,707 | (380,660)
Cash, beginning of period | 2,153,370 | 2,236,726
Cash, end of period | 5,087,077 | 1,856,066
ProShares Trust II [Member] |  |
Cash flow from operating activities |  |
Net income (loss) | 15,797,664 | (152,004,745)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Decrease (Increase) in segregated cash balances with brokers for futures contracts | (5,808,535) | (205,159,318)
Net sale (purchase) of short-term U.S. government and agency obligations | 179,891,147 | 172,143,542
Change in unrealized appreciation/depreciation on investments | 61,824,174 | (114,037,180)
Decrease (Increase) in receivable on futures contracts | (2,789,541) | 6,074,502
Decrease (Increase) in Limitation by Sponsor |  | (2,982)
Change in offering cost |  | 224,229
Increase (Decrease) in management fee payable | (160,366) | 2,392,210
Increase (Decrease) in payable on futures contracts | 19,707,435 | (65,326,745)
Increase (Decrease) in payable for offering costs |  | (193,900)
Net cash provided by (used in) operating activities | 268,461,978 | (355,890,387)
Cash flow from financing activities |  |
Proceeds from addition of shares | 1,098,061,807 | 1,424,812,564
Payment on shares redeemed | (1,362,287,727) | (1,068,314,461)
Net cash provided by (used in) financing activities | (264,225,920) | 356,498,103
Net increase (decrease) in cash | 4,236,058 | 607,716
Cash, beginning of period | 23,390,732 | 19,959,356
Cash, end of period | $ 27,626,790 | $ 20,567,072

X
- Definition Change in net unrealized appreciation depreciation. + References No definition available. + Details
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Namespace Prefix: | ck0001415311_
Data Type: | xbrli:monetaryItemType
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- Definition Decrease (increase) in limitation by sponsor. + References No definition available. + Details
Name: | ck0001415311_DecreaseIncreaseInLimitationBySponsor
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