v2.4.0.6
STATEMENTS OF OPERATIONS (USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
ProShares UltraShort DJ-UBS Commodity [Member]
    
Investment Income    
Interest $ 725 $ 681
Expenses    
Management fee 7,585 20,184
Total expenses 7,585 20,184
Net investment income (loss) (6,860) (19,503)
Net realized gain (loss) on    
Swap agreements 308,498 74,310
Short-term U.S. government and agency obligations 2  
Net realized gain (loss) 308,500 74,310
Change in net unrealized appreciation/depreciation on    
Swap agreements (241,421) (361,088)
Short-term U.S. government and agency obligations (187) 353
Change in net unrealized appreciation/depreciation (241,608) (360,735)
Net realized and unrealized gain (loss) 66,892 (286,425)
Net income (loss) 60,032 (305,928)
Net income (loss) per weighted-average share $ 1.00 $ (1.91)
Weighted-average shares outstanding 59,997 159,997
ProShares UltraShort DJ-UBS Crude Oil [Member]
    
Investment Income    
Interest 25,309 10,125
Expenses    
Management fee 339,584 340,146
Brokerage commissions 7,035 5,904
Total expenses 346,619 346,050
Net investment income (loss) (321,310) (335,925)
Net realized gain (loss) on    
Futures contracts (8,487,969) (130,237)
Swap agreements 2,362,811 (3,701,374)
Short-term U.S. government and agency obligations (671) (791)
Net realized gain (loss) (6,125,829) (3,832,402)
Change in net unrealized appreciation/depreciation on    
Futures contracts 4,261,245 (1,048,170)
Swap agreements (5,761,354) 146,480
Short-term U.S. government and agency obligations (938) 7,029
Change in net unrealized appreciation/depreciation (1,501,047) (894,661)
Net realized and unrealized gain (loss) (7,626,876) (4,727,063)
Net income (loss) (7,948,186) (5,062,988)
Net income (loss) per weighted-average share $ (2.10) $ (1.24)
Weighted-average shares outstanding 3,779,388 4,082,032
ProShares UltraShort DJ-UBS Natural Gas [Member]
    
Investment Income    
Interest 2,401 863
Expenses    
Management fee 36,143 25,021
Brokerage commissions 9,824 13,766
Offering costs   6,619
Total expenses 45,967 45,406
Net investment income (loss) (43,566) (44,543)
Net realized gain (loss) on    
Futures contracts (1,773,421) 4,437,111
Short-term U.S. government and agency obligations (104) (167)
Net realized gain (loss) (1,773,525) 4,436,944
Change in net unrealized appreciation/depreciation on    
Futures contracts (3,905,888) 5,930,960
Short-term U.S. government and agency obligations (224) 388
Change in net unrealized appreciation/depreciation (3,906,112) 5,931,348
Net realized and unrealized gain (loss) (5,679,637) 10,368,292
Net income (loss) (5,723,203) 10,323,749
Net income (loss) per weighted-average share $ (8.42) $ 25.05
Weighted-average shares outstanding 679,474 412,118
ProShares UltraShort Gold [Member]
    
Investment Income    
Interest 15,757 6,919
Expenses    
Management fee 226,458 349,769
Brokerage commissions 16 17
Total expenses 226,474 349,786
Net investment income (loss) (210,717) (342,867)
Net realized gain (loss) on    
Futures contracts 33,420 17,840
Forward agreements 12,850,047 (1,563,825)
Short-term U.S. government and agency obligations (399) 24
Net realized gain (loss) 12,883,068 (1,545,961)
Change in net unrealized appreciation/depreciation on    
Futures contracts (16,650) (37,700)
Forward agreements (6,976,138) (33,030,373)
Short-term U.S. government and agency obligations 800 6,708
Change in net unrealized appreciation/depreciation (6,991,988) (33,061,365)
Net realized and unrealized gain (loss) 5,891,080 (34,607,326)
Net income (loss) 5,680,363 (34,950,193)
Net income (loss) per weighted-average share $ 3.85 $ (15.86)
Weighted-average shares outstanding 1,475,311 2,203,107
ProShares UltraShort Silver [Member]
    
Investment Income    
Interest 22,355 15,324
Expenses    
Management fee 250,527 503,147
Brokerage commissions 8 8
Total expenses 250,535 503,155
Net investment income (loss) (228,180) (487,831)
Net realized gain (loss) on    
Futures contracts 31,940 1,900
Forward agreements 29,172,572 (35,686,314)
Short-term U.S. government and agency obligations 1,141 (1,674)
Net realized gain (loss) 29,205,653 (35,686,088)
Change in net unrealized appreciation/depreciation on    
Futures contracts (12,500) (47,040)
Forward agreements (19,052,397) (34,295,712)
Short-term U.S. government and agency obligations (3,354) 10,807
Change in net unrealized appreciation/depreciation (19,068,251) (34,331,945)
Net realized and unrealized gain (loss) 10,137,402 (70,018,033)
Net income (loss) 9,909,222 (70,505,864)
Net income (loss) per weighted-average share $ 4.64 $ (17.99)
Weighted-average shares outstanding 2,136,822 3,919,203
ProShares Short Euro [Member]
    
Investment Income    
Interest 514 [1]  
Expenses    
Brokerage commissions 116 [1]  
Offering costs 10,110 [1]  
Limitation by Sponsor (1,307) [1]  
Total expenses 8,919 [1]  
Net investment income (loss) (8,405) [1]  
Net realized gain (loss) on    
Futures contracts (8,000) [1]  
Short-term U.S. government and agency obligations 142 [1]  
Net realized gain (loss) (7,858) [1]  
Change in net unrealized appreciation/depreciation on    
Futures contracts 116,769 [1]  
Short-term U.S. government and agency obligations (160) [1]  
Change in net unrealized appreciation/depreciation 116,609 [1]  
Net realized and unrealized gain (loss) 108,751 [1]  
Net income (loss) 100,346 [1],[2]  
Net income (loss) per weighted-average share $ 1.00 [1]  
Weighted-average shares outstanding 100,005 [1]  
ProShares UltraShort Australian Dollar [Member]
    
Investment Income    
Interest 498 [3]  
Expenses    
Brokerage commissions 398 [3]  
Offering costs 10,110 [3]  
Limitation by Sponsor (1,341) [3]  
Total expenses 9,167 [3]  
Net investment income (loss) (8,669) [3]  
Net realized gain (loss) on    
Futures contracts 112,030 [3]  
Short-term U.S. government and agency obligations 135 [3]  
Net realized gain (loss) 112,165 [3]  
Change in net unrealized appreciation/depreciation on    
Futures contracts (195,160) [3]  
Short-term U.S. government and agency obligations (159) [3]  
Change in net unrealized appreciation/depreciation (195,319) [3]  
Net realized and unrealized gain (loss) (83,154) [3]  
Net income (loss) (91,823) [3],[4]  
Net income (loss) per weighted-average share $ (0.92) [3]  
Weighted-average shares outstanding 100,005 [3]  
ProShares UltraShort Euro [Member]
    
Investment Income    
Interest 87,230 47,729
Expenses    
Management fee 1,180,343 2,200,267
Total expenses 1,180,343 2,200,267
Net investment income (loss) (1,093,113) (2,152,538)
Net realized gain (loss) on    
Foreign currency forward contracts (2,949,680) 38,812,588
Short-term U.S. government and agency obligations (393) (1,736)
Net realized gain (loss) (2,950,073) 38,810,852
Change in net unrealized appreciation/depreciation on    
Foreign currency forward contracts 26,813,021 (98,488,552)
Short-term U.S. government and agency obligations (740) 37,442
Change in net unrealized appreciation/depreciation 26,812,281 (98,451,110)
Net realized and unrealized gain (loss) 23,862,208 (59,640,258)
Net income (loss) 22,769,095 (61,792,796)
Net income (loss) per weighted-average share $ 0.86 $ (1.31)
Weighted-average shares outstanding 26,607,236 47,119,245
ProShares UltraShort Yen [Member]
    
Investment Income    
Interest 69,492 20,571
Expenses    
Management fee 1,005,098 589,796
Total expenses 1,005,098 589,796
Net investment income (loss) (935,606) (569,225)
Net realized gain (loss) on    
Foreign currency forward contracts 96,886,297 20,853,004
Short-term U.S. government and agency obligations (662) (305)
Net realized gain (loss) 96,885,635 20,852,699
Change in net unrealized appreciation/depreciation on    
Foreign currency forward contracts (35,381,549) 17,433,639
Short-term U.S. government and agency obligations (3,808) 9,986
Change in net unrealized appreciation/depreciation (35,385,357) 17,443,625
Net realized and unrealized gain (loss) 61,500,278 38,296,324
Net income (loss) 60,564,672 37,727,099
Net income (loss) per weighted-average share $ 8.05 $ 6.56
Weighted-average shares outstanding 7,522,627 5,748,195
ProShares Ultra DJ-UBS Commodity [Member]
    
Investment Income    
Interest 750 525
Expenses    
Management fee 12,379 22,538
Total expenses 12,379 22,538
Net investment income (loss) (11,629) (22,013)
Net realized gain (loss) on    
Swap agreements (508,897) (322,448)
Short-term U.S. government and agency obligations 16  
Net realized gain (loss) (508,881) (322,448)
Change in net unrealized appreciation/depreciation on    
Swap agreements 421,315 421,325
Short-term U.S. government and agency obligations (72) 427
Change in net unrealized appreciation/depreciation 421,243 421,752
Net realized and unrealized gain (loss) (87,638) 99,304
Net income (loss) (99,267) 77,291
Net income (loss) per weighted-average share $ (0.46) $ 0.22
Weighted-average shares outstanding 217,236 350,014
ProShares Ultra DJ-UBS Crude Oil [Member]
    
Investment Income    
Interest 63,274 13,088
Expenses    
Management fee 840,387 647,729
Brokerage commissions 14,917 9,677
Total expenses 855,304 657,406
Net investment income (loss) (792,030) (644,318)
Net realized gain (loss) on    
Futures contracts 39,747,184 41,437
Swap agreements 26,817,141 15,502,698
Short-term U.S. government and agency obligations (1,033) (142)
Net realized gain (loss) 66,563,292 15,543,993
Change in net unrealized appreciation/depreciation on    
Futures contracts (20,597,894) 6,217,460
Swap agreements (8,140,049) 2,872,168
Short-term U.S. government and agency obligations (11,459) 11,500
Change in net unrealized appreciation/depreciation (28,749,402) 9,101,128
Net realized and unrealized gain (loss) 37,813,890 24,645,121
Net income (loss) 37,021,860 24,000,803
Net income (loss) per weighted-average share $ 3.15 $ 3.81
Weighted-average shares outstanding 11,755,281 6,298,071
ProShares Ultra DJ-UBS Natural Gas [Member]
    
Investment Income    
Interest 11,677 2,119
Expenses    
Management fee 176,613 47,372
Brokerage commissions 32,935 16,074
Offering costs   6,619
Total expenses 209,548 70,065
Net investment income (loss) (197,871) (67,946)
Net realized gain (loss) on    
Futures contracts 5,748,194 (5,158,571)
Short-term U.S. government and agency obligations 1,193 119
Net realized gain (loss) 5,749,387 (5,158,452)
Change in net unrealized appreciation/depreciation on    
Futures contracts 17,861,568 (15,543,310)
Short-term U.S. government and agency obligations 1,275 830
Change in net unrealized appreciation/depreciation 17,862,843 (15,542,480)
Net realized and unrealized gain (loss) 23,612,230 (20,700,932)
Net income (loss) 23,414,359 (20,768,878)
Net income (loss) per weighted-average share $ 12.31 $ (50.64)
Weighted-average shares outstanding 1,902,163 410,112
ProShares Ultra Gold [Member]
    
Investment Income    
Interest 59,078 27,391
Expenses    
Management fee 762,612 905,724
Brokerage commissions 16 16
Total expenses 762,628 905,740
Net investment income (loss) (703,550) (878,349)
Net realized gain (loss) on    
Futures contracts (33,500) (17,640)
Forward agreements (50,381,705) (29,841,156)
Short-term U.S. government and agency obligations 2,659 113
Net realized gain (loss) (50,412,546) (29,858,683)
Change in net unrealized appreciation/depreciation on    
Futures contracts 16,620 37,560
Forward agreements 24,874,498 76,424,334
Short-term U.S. government and agency obligations (8,586) 13,204
Change in net unrealized appreciation/depreciation 24,882,532 76,475,098
Net realized and unrealized gain (loss) (25,530,014) 46,616,415
Net income (loss) (26,233,564) 45,738,066
Net income (loss) per weighted-average share $ (6.50) $ 10.86
Weighted-average shares outstanding 4,034,458 4,213,201
ProShares Ultra Silver [Member]
    
Investment Income    
Interest 159,260 51,735
Expenses    
Management fee 1,783,659 1,885,054
Brokerage commissions 8 8
Total expenses 1,783,667 1,885,062
Net investment income (loss) (1,624,407) (1,833,327)
Net realized gain (loss) on    
Futures contracts (32,140) (1,900)
Forward agreements (215,656,408) 8,108,350
Short-term U.S. government and agency obligations 14,213 691
Net realized gain (loss) (215,674,335) 8,107,141
Change in net unrealized appreciation/depreciation on    
Futures contracts 12,250 47,040
Forward agreements 137,633,988 132,861,743
Short-term U.S. government and agency obligations (27,621) 30,987
Change in net unrealized appreciation/depreciation 137,618,617 132,939,770
Net realized and unrealized gain (loss) (78,055,718) 141,046,911
Net income (loss) (79,680,125) 139,213,584
Net income (loss) per weighted-average share $ (4.47) $ 9.85
Weighted-average shares outstanding 17,831,695 14,130,248
ProShares Ultra Australian Dollar [Member]
    
Investment Income    
Interest 646 [3]  
Expenses    
Brokerage commissions 362 [3]  
Offering costs 10,110 [3]  
Limitation by Sponsor (334) [3]  
Total expenses 10,138 [3]  
Net investment income (loss) (9,492) [3]  
Net realized gain (loss) on    
Futures contracts (149,275) [3]  
Short-term U.S. government and agency obligations (95) [3]  
Net realized gain (loss) (149,370) [3]  
Change in net unrealized appreciation/depreciation on    
Futures contracts 223,960 [3]  
Short-term U.S. government and agency obligations (160) [3]  
Change in net unrealized appreciation/depreciation 223,800 [3]  
Net realized and unrealized gain (loss) 74,430 [3]  
Net income (loss) 64,938 [3],[4]  
Net income (loss) per weighted-average share $ 0.65 [3]  
Weighted-average shares outstanding 100,005 [3]  
ProShares Ultra Euro [Member]
    
Investment Income    
Interest 676 488
Expenses    
Management fee 11,400 23,317
Total expenses 11,400 23,317
Net investment income (loss) (10,724) (22,829)
Net realized gain (loss) on    
Foreign currency forward contracts (65,362) (249,576)
Short-term U.S. government and agency obligations 14 1
Net realized gain (loss) (65,348) (249,575)
Change in net unrealized appreciation/depreciation on    
Foreign currency forward contracts (221,155) 811,782
Short-term U.S. government and agency obligations (22) 402
Change in net unrealized appreciation/depreciation (221,177) 812,184
Net realized and unrealized gain (loss) (286,525) 562,609
Net income (loss) (297,249) 539,780
Net income (loss) per weighted-average share $ (1.49) $ 1.34
Weighted-average shares outstanding 200,014 403,860
ProShares Ultra Yen [Member]
    
Investment Income    
Interest 826 372
Expenses    
Management fee 10,886 12,183
Total expenses 10,886 12,183
Net investment income (loss) (10,060) (11,811)
Net realized gain (loss) on    
Foreign currency forward contracts (1,217,971) (425,209)
Short-term U.S. government and agency obligations 42 15
Net realized gain (loss) (1,217,929) (425,194)
Change in net unrealized appreciation/depreciation on    
Foreign currency forward contracts 423,734 (328,692)
Short-term U.S. government and agency obligations (159) 202
Change in net unrealized appreciation/depreciation 423,575 (328,490)
Net realized and unrealized gain (loss) (794,354) (753,684)
Net income (loss) (804,414) (765,495)
Net income (loss) per weighted-average share $ (4.30) $ (5.10)
Weighted-average shares outstanding 187,236 150,014
ProShares VIX Short-Term Futures ETF [Member]
    
Investment Income    
Interest 24,328 6,804
Expenses    
Management fee 351,671 147,269
Offering costs   1,090
Total expenses 351,671 148,359
Net investment income (loss) (327,343) (141,555)
Net realized gain (loss) on    
Futures contracts (55,408,949) (42,732,137)
Short-term U.S. government and agency obligations (1,762) (146)
Net realized gain (loss) (55,410,711) (42,732,283)
Change in net unrealized appreciation/depreciation on    
Futures contracts (8,124,641) (17,345,947)
Short-term U.S. government and agency obligations (71) 2,603
Change in net unrealized appreciation/depreciation (8,124,712) (17,343,344)
Net realized and unrealized gain (loss) (63,535,423) (60,075,627)
Net income (loss) (63,862,766) (60,217,182)
Net income (loss) per weighted-average share $ (4.69) $ (41.66)
Weighted-average shares outstanding 13,623,616 1,445,609
ProShares VIX Mid-Term Futures ETF [Member]
    
Investment Income    
Interest 7,320 6,086
Expenses    
Management fee 104,816 210,264
Offering costs   682
Total expenses 104,816 210,946
Net investment income (loss) (97,496) (204,860)
Net realized gain (loss) on    
Futures contracts (10,260,171) (22,417,600)
Short-term U.S. government and agency obligations 486 (2,490)
Net realized gain (loss) (10,259,685) (22,420,090)
Change in net unrealized appreciation/depreciation on    
Futures contracts (406,019) (5,041,600)
Short-term U.S. government and agency obligations (1,220) 6,101
Change in net unrealized appreciation/depreciation (407,239) (5,035,499)
Net realized and unrealized gain (loss) (10,666,924) (27,455,589)
Net income (loss) (10,764,420) (27,660,449)
Net income (loss) per weighted-average share $ (5.95) $ (18.31)
Weighted-average shares outstanding 1,808,616 1,510,994
ProShares Ultra VIX Short-Term Futures ETF [Member]
    
Investment Income    
Interest 17,539 2,915
Expenses    
Management fee 532,907 154,701
Brokerage commissions 557,337 182,674
Offering costs   7,152
Total expenses 1,090,244 344,527
Net investment income (loss) (1,072,705) (341,612)
Net realized gain (loss) on    
Futures contracts (118,236,966) (119,246,992)
Swap agreements (4,453,107)  
Short-term U.S. government and agency obligations 4,135 1,284
Net realized gain (loss) (122,685,938) (119,245,708)
Change in net unrealized appreciation/depreciation on    
Futures contracts (20,794,183) (28,628,023)
Swap agreements (301,351) (4,983,410)
Short-term U.S. government and agency obligations 4,565 1,052
Change in net unrealized appreciation/depreciation (21,090,969) (33,610,381)
Net realized and unrealized gain (loss) (143,776,907) (152,856,089)
Net income (loss) (144,849,612) (153,197,701)
Net income (loss) per weighted-average share $ (6.26) $ (540.20)
Weighted-average shares outstanding 23,130,303 283,597
ProShares Short VIX Short-Term Futures ETF [Member]
    
Investment Income    
Interest 9,265 894
Expenses    
Management fee 137,663 18,944
Brokerage commissions 85,021 28,829
Offering costs   7,152
Total expenses 222,684 54,925
Net investment income (loss) (213,419) (54,031)
Net realized gain (loss) on    
Futures contracts 25,204,111 6,857,840
Short-term U.S. government and agency obligations 76 (147)
Net realized gain (loss) 25,204,187 6,857,693
Change in net unrealized appreciation/depreciation on    
Futures contracts 3,775,891 815,550
Short-term U.S. government and agency obligations (1,662) 251
Change in net unrealized appreciation/depreciation 3,774,229 815,801
Net realized and unrealized gain (loss) 28,978,416 7,673,494
Net income (loss) 28,764,997 7,619,463
Net income (loss) per weighted-average share $ 40.61 $ 25.21
Weighted-average shares outstanding 708,353 302,218
ProShares Trust II [Member]
    
Investment Income    
Interest 578,920 214,629
Expenses    
Management fee 7,770,731 8,103,425
Brokerage commissions 707,993 256,973
Offering costs 30,330 29,314
Limitation by Sponsor (2,982)  
Total expenses 8,506,072 8,389,712
Net investment income (loss) (7,927,152) (8,175,083)
Net realized gain (loss) on    
Futures contracts (123,513,512) (178,348,949)
Swap agreements 24,526,446 11,553,186
Forward agreements (224,015,494) (58,982,945)
Foreign currency forward contracts 92,653,284 58,990,807
Short-term U.S. government and agency obligations 19,135 (5,351)
Net realized gain (loss) (230,330,141) (166,793,252)
Change in net unrealized appreciation/depreciation on    
Futures contracts (27,784,632) (54,643,220)
Swap agreements (14,022,860) (1,904,525)
Forward agreements 136,479,951 141,959,992
Foreign currency forward contracts (8,365,949) (80,571,823)
Short-term U.S. government and agency obligations (53,962) 140,272
Change in net unrealized appreciation/depreciation 86,252,548 4,980,696
Net realized and unrealized gain (loss) (144,077,593) (161,812,556)
Net income (loss) $ (152,004,745) $ (169,987,639)
[1] Since the Fund commenced investment operations on June 26, 2012, the Statement of Operations for the three months ended March 31, 2012 has not been provided.
[2] Since the Fund commenced investment operations on June 26, 2012, the Statement of Cash Flows for the three months ended March 31, 2012 has not been provided.
[3] Since the Fund commenced investment operations on July 17, 2012, the Statement of Operations for the three months ended March 31, 2012 has not been provided.
[4] Since the Fund commenced investment operations on July 17, 2012, the Statement of Cash Flows for the three months ended March 31, 2012 has not been provided.