v3.21.1

Schedule of Investments - Foreign Currency Forward Contracts (Detail) - 3 months ended Mar. 31, 2021 - Foreign Currency Forward Contracts [Member] | USD ($) | EUR (€) | JPY (¥)
--- | --- | --- | ---
ProShares Ultra Euro [Member] | Euro Contract [Member] | Contracts to Purchase [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Unrealized Appreciation (Depreciation)/Value | [1] | $ (226,734) |  |
ProShares Ultra Euro [Member] | Euro Contract [Member] | Contracts to Purchase [Member] | Goldman Sachs International [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Settlement Date | [1] | Apr. 09, 2021 |  |
Contract to Purchase | [1] | $ 2,592,686 | € 2,210,921 |
Unrealized Appreciation (Depreciation)/Value | [1] | $ (78,549) |  |
ProShares Ultra Euro [Member] | Euro Contract [Member] | Contracts to Purchase [Member] | UBS AG [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Settlement Date | [1] | Apr. 09, 2021 |  |
Contract to Purchase | [1] | $ 4,983,274 | 4,249,502 |
Unrealized Appreciation (Depreciation)/Value | [1] | (148,185) |  |
ProShares Ultra Euro [Member] | Euro Contract [Member] | Contracts to Sell [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Unrealized Appreciation (Depreciation)/Value | [1] | $ 4,330 |  |
ProShares Ultra Euro [Member] | Euro Contract [Member] | Contracts to Sell [Member] | UBS AG [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Settlement Date | [1] | Apr. 09, 2021 |  |
Contract to Sell | [1] | $ (323,658) | (276,000) |
Unrealized Appreciation (Depreciation)/Value | [1] | 4,330 |  |
ProShares Ultra Yen [Member] | Yen Contract [Member] | Contracts to Purchase [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Unrealized Appreciation (Depreciation)/Value | [1] | $ (192,043) |  |
ProShares Ultra Yen [Member] | Yen Contract [Member] | Contracts to Purchase [Member] | Goldman Sachs International [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Settlement Date | [1] | Apr. 09, 2021 |  |
Contract to Purchase | [1] | $ 3,003,464 |  | ¥ 332,532,517
Unrealized Appreciation (Depreciation)/Value | [1] | $ (106,904) |  |
ProShares Ultra Yen [Member] | Yen Contract [Member] | Contracts to Purchase [Member] | UBS AG [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Settlement Date | [1] | Apr. 09, 2021 |  |
Contract to Purchase | [1] | $ 2,381,425 |  | 263,662,756
Unrealized Appreciation (Depreciation)/Value | [1] | (85,139) |  |
ProShares Ultra Yen [Member] | Yen Contract [Member] | Contracts to Sell [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Unrealized Appreciation (Depreciation)/Value | [1] | $ 3,041 |  |
ProShares Ultra Yen [Member] | Yen Contract [Member] | Contracts to Sell [Member] | UBS AG [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Settlement Date | [1] | Apr. 09, 2021 |  |
Contract to Sell | [1] | $ (190,668) |  | (21,110,000)
Unrealized Appreciation (Depreciation)/Value | [1] | 3,041 |  |
ProShares UltraShort Euro [Member] | Euro Contract [Member] | Contracts to Purchase [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Unrealized Appreciation (Depreciation)/Value | [1] | $ (181,875) |  |
ProShares UltraShort Euro [Member] | Euro Contract [Member] | Contracts to Purchase [Member] | UBS AG [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Settlement Date | [1] | Apr. 09, 2021 |  |
Contract to Purchase | [1] | $ 14,163,535 | 12,078,000 |
Unrealized Appreciation (Depreciation)/Value | [1] | (181,875) |  |
ProShares UltraShort Euro [Member] | Euro Contract [Member] | Contracts to Sell [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Unrealized Appreciation (Depreciation)/Value | [1] | $ 3,436,568 |  |
ProShares UltraShort Euro [Member] | Euro Contract [Member] | Contracts to Sell [Member] | Goldman Sachs International [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Settlement Date | [1] | Apr. 09, 2021 |  |
Contract to Sell | [1] | $ (43,859,422) | (37,401,263) |
Unrealized Appreciation (Depreciation)/Value | [1] | $ 1,328,784 |  |
ProShares UltraShort Euro [Member] | Euro Contract [Member] | Contracts to Sell [Member] | UBS AG [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Settlement Date | [1] | Apr. 09, 2021 |  |
Contract to Sell | [1] | $ (80,273,164) | € (68,453,199) |
Unrealized Appreciation (Depreciation)/Value | [1] | 2,107,784 |  |
ProShares UltraShort Yen [Member] | Yen Contract [Member] | Contracts to Purchase [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Unrealized Appreciation (Depreciation)/Value | [1] | $ (30,168) |  |
ProShares UltraShort Yen [Member] | Yen Contract [Member] | Contracts to Purchase [Member] | UBS AG [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Settlement Date | [1] | Apr. 09, 2021 |  |
Contract to Purchase | [1] | $ 1,511,159 |  | 167,310,000
Unrealized Appreciation (Depreciation)/Value | [1] | (30,168) |  |
ProShares UltraShort Yen [Member] | Yen Contract [Member] | Contracts to Sell [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Unrealized Appreciation (Depreciation)/Value | [1] | $ 2,366,090 |  |
ProShares UltraShort Yen [Member] | Yen Contract [Member] | Contracts to Sell [Member] | Goldman Sachs International [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Settlement Date | [1] | Apr. 09, 2021 |  |
Contract to Sell | [1] | $ (18,146,236) |  | (2,009,085,165)
Unrealized Appreciation (Depreciation)/Value | [1] | $ 645,891 |  |
ProShares UltraShort Yen [Member] | Yen Contract [Member] | Contracts to Sell [Member] | UBS AG [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Settlement Date | [1] | Apr. 09, 2021 |  |
Contract to Sell | [1] | $ (53,245,781) |  | ¥ (5,895,178,875)
Unrealized Appreciation (Depreciation)/Value | [1] | $ 1,720,199 |  |
[1] | The positions and counterparties herein are as of March 31, 2021. The Fund continually evaluates different counterparties for their transactions and counterparties are subject to change. New counterparties can be added at any time.

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