v2.4.0.8

Schedule of Investments - Forward Agreements (Detail) (USD $) | Mar. 31, 2014
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ProShares UltraShort Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Unrealized Appreciation (Depreciation) | $ 8,531,762 | [1]
ProShares UltraShort Gold [Member] | Forward Agreements with Deutsche Bank AG Based on 0.995 Fine Troy Ounce Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.30% | [1]
Settlement Date | Apr. 07, 2014 | [1]
Commitment to (Deliver)/Receive | (94,700) | [1]
Notional Amount at Value | (122,330,619) | [1],[2]
Unrealized Appreciation (Depreciation) | 4,557,728 | [1]
ProShares UltraShort Gold [Member] | Forward Agreements with Goldman Sachs International Based on 0.995 Fine Troy Ounce Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.40% | [1]
Settlement Date | Apr. 07, 2014 | [1]
Commitment to (Deliver)/Receive | (32,598) | [1]
Notional Amount at Value | (42,109,118) | [1],[2]
Unrealized Appreciation (Depreciation) | 1,618,593 | [1]
ProShares UltraShort Gold [Member] | Forward Agreements with Societe Generale SA Based on 0.995 Fine Troy Ounce Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.50% | [1]
Settlement Date | Apr. 07, 2014 | [1]
Commitment to (Deliver)/Receive | (15,600) | [1]
Notional Amount at Value | (20,151,612) | [1],[2]
Unrealized Appreciation (Depreciation) | 827,157 | [1]
ProShares UltraShort Gold [Member] | Forward Agreements with UBS AG Based on 0.995 Fine Troy Ounce Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.40% | [1]
Settlement Date | Apr. 07, 2014 | [1]
Commitment to (Deliver)/Receive | (34,150) | [1]
Notional Amount at Value | (44,113,946) | [1],[2]
Unrealized Appreciation (Depreciation) | 1,528,284 | [1]
ProShares UltraShort Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Unrealized Appreciation (Depreciation) | 7,742,580 | [3]
ProShares UltraShort Silver [Member] | Forward Agreements with Deutsche Bank AG Based on 0.999 Fine Troy Ounce Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.30% | [3]
Settlement Date | Apr. 07, 2014 | [3]
Commitment to (Deliver)/Receive | (3,343,000) | [3]
Notional Amount at Value | (66,767,733) | [2],[3]
Unrealized Appreciation (Depreciation) | 3,858,673 | [3]
ProShares UltraShort Silver [Member] | Forward Agreements with Goldman Sachs International Based on 0.999 Fine Troy Ounce Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.40% | [3]
Settlement Date | Apr. 07, 2014 | [3]
Commitment to (Deliver)/Receive | (1,352,500) | [3]
Notional Amount at Value | (27,012,671) | [2],[3]
Unrealized Appreciation (Depreciation) | 1,401,484 | [3]
ProShares UltraShort Silver [Member] | Forward Agreements with Societe Generale SA Based on 0.999 Fine Troy Ounce Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.50% | [3]
Settlement Date | Apr. 07, 2014 | [3]
Commitment to (Deliver)/Receive | (820,000) | [3]
Notional Amount at Value | (16,377,368) | [2],[3]
Unrealized Appreciation (Depreciation) | 920,983 | [3]
ProShares UltraShort Silver [Member] | Forward Agreements with UBS AG Based on 0.999 Fine Troy Ounce Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.45% | [3]
Settlement Date | Apr. 07, 2014 | [3]
Commitment to (Deliver)/Receive | (1,586,000) | [3]
Notional Amount at Value | (31,676,226) | [2],[3]
Unrealized Appreciation (Depreciation) | 1,561,440 | [3]
ProShares Ultra Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Unrealized Appreciation (Depreciation) | (12,010,072) | [1]
ProShares Ultra Gold [Member] | Forward Agreements with Deutsche Bank AG Based on 0.995 Fine Troy Ounce Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.30% | [1]
Settlement Date | Apr. 07, 2014 | [1]
Commitment to (Deliver)/Receive | 109,900 | [1]
Notional Amount at Value | 141,965,523 | [1],[2]
Unrealized Appreciation (Depreciation) | (6,314,073) | [1]
ProShares Ultra Gold [Member] | Forward Agreements with Goldman Sachs International Based on 0.995 Fine Troy Ounce Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.45% | [1]
Settlement Date | Apr. 07, 2014 | [1]
Commitment to (Deliver)/Receive | 41,220 | [1]
Notional Amount at Value | 53,246,759 | [1],[2]
Unrealized Appreciation (Depreciation) | (2,340,133) | [1]
ProShares Ultra Gold [Member] | Forward Agreements with Societe Generale SA Based on 0.995 Fine Troy Ounce Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.50% | [1]
Settlement Date | Apr. 07, 2014 | [1]
Commitment to (Deliver)/Receive | 21,000 | [1]
Notional Amount at Value | 27,127,170 | [1],[2]
Unrealized Appreciation (Depreciation) | (1,128,141) | [1]
ProShares Ultra Gold [Member] | Forward Agreements with UBS AG Based on 0.995 Fine Troy Ounce Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.40% | [1]
Settlement Date | Apr. 07, 2014 | [1]
Commitment to (Deliver)/Receive | 38,800 | [1]
Notional Amount at Value | 50,120,676 | [1],[2]
Unrealized Appreciation (Depreciation) | (2,227,725) | [1]
ProShares Ultra Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Unrealized Appreciation (Depreciation) | (58,138,361) | [3]
ProShares Ultra Silver [Member] | Forward Agreements with Deutsche Bank AG Based on 0.999 Fine Troy Ounce Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.30% | [3]
Settlement Date | Apr. 07, 2014 | [3]
Commitment to (Deliver)/Receive | 25,173,000 | [3]
Notional Amount at Value | 502,765,225 | [3],[4]
Unrealized Appreciation (Depreciation) | (30,257,024) | [3]
ProShares Ultra Silver [Member] | Forward Agreements with Goldman Sachs International Based on 0.999 Fine Troy Ounce Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.45% | [3]
Settlement Date | Apr. 07, 2014 | [3]
Commitment to (Deliver)/Receive | 9,451,800 | [3]
Notional Amount at Value | 188,775,130 | [3],[4]
Unrealized Appreciation (Depreciation) | (11,457,887) | [3]
ProShares Ultra Silver [Member] | Forward Agreements with Societe Generale SA Based on 0.999 Fine Troy Ounce Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.50% | [3]
Settlement Date | Apr. 07, 2014 | [3]
Commitment to (Deliver)/Receive | 4,307,000 | [3]
Notional Amount at Value | 86,021,127 | [3],[4]
Unrealized Appreciation (Depreciation) | (5,025,453) | [3]
ProShares Ultra Silver [Member] | Forward Agreements with UBS AG Based on 0.999 Fine Troy Ounce Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Rate Receive (Paid) | 0.45% | [3]
Settlement Date | Apr. 07, 2014 | [3]
Commitment to (Deliver)/Receive | 9,372,000 | [3]
Notional Amount at Value | 187,181,333 | [3],[4]
Unrealized Appreciation (Depreciation) | $ (11,397,997) | [3]
[1] | The positions and counterparties herein are as of March 31, 2014. The Funds continually evaluate different counterparties for their transactions and counterparties are subject to change. New counterparties can be added at anytime.
[2] | For forward agreements, a positive amount represents "long" exposure to the underlying commodity. A negative amount represents "short" exposure to the underlying commodity.
[3] | The positions and counterparties herein are as of March 31, 2014. The Funds continually evaluate different counterparties for their transactions and counterparties are subject to change. New counterparties can be added at any time.
[4] | For forward agreements, a positive amount represents "long" exposure to the underlying commodity. A negative amount represents "short" exposure to the underlying commodity

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