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Statements of Financial Condition (Parenthetical) - U.S. Government Agencies Short-term Debt Securities [Member] - USD ($) | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Short-term U.S. government and agency obligations, cost | $ 2,258,570,523 | $ 473,690,268
ProShares Short VIX Short-Term Futures ETF [Member] |  |
Short-term U.S. government and agency obligations, cost | 59,898,070 | 24,931,067
ProShares Ultra Bloomberg Crude Oil [Member] |  |
Short-term U.S. government and agency obligations, cost | 149,544,793 | 99,724,267
ProShares Ultra Bloomberg Natural Gas [Member] |  |
Short-term U.S. government and agency obligations, cost | 234,217,281 | 99,724,267
ProShares Ultra Gold [Member] |  |
Short-term U.S. government and agency obligations, cost | 548,601,553 | 74,793,200
ProShares Ultra Silver [Member] |  |
Short-term U.S. government and agency obligations, cost | 967,111,002 | 124,655,333
ProShares Ultra VIX Short-Term Futures ETF [Member] |  |
Short-term U.S. government and agency obligations, cost | 99,753,597 | 24,931,067
ProShares UltraShort Bloomberg Crude Oil [Member] |  |
Short-term U.S. government and agency obligations, cost | 44,906,073 | 0
ProShares UltraShort Bloomberg Natural Gas [Member] |  |
Short-term U.S. government and agency obligations, cost | 69,807,867 | 0
ProShares VIX Short-Term Futures ETF [Member] |  |
Short-term U.S. government and agency obligations, cost | $ 84,730,287 | $ 24,931,067

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