v3.10.0.1

Statements of Changes in Shareholders' Equity (Parenthetical) | 6 Months Ended
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Jun. 30, 2018 shares
Addition, shares | 179,462,500
Redemption, shares | 164,972,888
Net addition (redemption), shares | 14,489,612
ProShares Short VIX Short-Term Futures ETF [Member] |
Addition, shares | 70,000,000
Redemption, shares | 34,700,000
Net addition (redemption), shares | 35,300,000
ProShares Ultra Bloomberg Crude Oil [Member] |
Addition, shares | 4,300,000
Redemption, shares | 13,200,000
Net addition (redemption), shares | (8,900,000)
ProShares Ultra Bloomberg Natural Gas [Member] |
Addition, shares | 750,000
Redemption, shares | 1,810,284
Net addition (redemption), shares | (1,060,284)
ProShares Ultra Euro [Member] |
Addition, shares | 150,000
Redemption, shares | 150,000
Net addition (redemption), shares | 0
ProShares Ultra Gold [Member] |
Addition, shares | 300,000
Redemption, shares | 400,000
Net addition (redemption), shares | (100,000)
ProShares Ultra Silver [Member] |
Addition, shares | 500,000
Redemption, shares | 1,100,000
Net addition (redemption), shares | (600,000)
ProShares Ultra VIX Short-Term Futures ETF [Member] |
Addition, shares | 86,200,000
Redemption, shares | 95,000,000
Net addition (redemption), shares | (8,800,000)
ProShares UltraPro 3x Crude Oil ETF [Member] |
Addition, shares | 600,000
Redemption, shares | 250,008
Net addition (redemption), shares | 349,992
ProShares UltraPro 3X Short Crude Oil ETF [Member] |
Addition, shares | 1,287,500
Redemption, shares | 662,596
Net addition (redemption), shares | 624,904
ProShares UltraShort Australian Dollar [Member] |
Redemption, shares | 150,000
Net addition (redemption), shares | (150,000)
ProShares UltraShort Bloomberg Crude Oil [Member] |
Addition, shares | 8,700,000
Redemption, shares | 6,100,000
Net addition (redemption), shares | 2,600,000
ProShares UltraShort Bloomberg Natural Gas [Member] |
Addition, shares | 350,000
Redemption, shares | 350,000
Net addition (redemption), shares | 0
ProShares UltraShort Euro [Member] |
Addition, shares | 1,000,000
Redemption, shares | 2,750,000
Net addition (redemption), shares | (1,750,000)
ProShares UltraShort Gold [Member] |
Addition, shares | 250,000
Redemption, shares | 350,000
Net addition (redemption), shares | (100,000)
ProShares UltraShort Silver [Member] |
Addition, shares | 650,000
Redemption, shares | 450,000
Net addition (redemption), shares | 200,000
ProShares UltraShort Yen [Member] |
Addition, shares | 100,000
Redemption, shares | 700,000
Net addition (redemption), shares | (600,000)
ProShares VIX Mid-Term Futures ETF [Member] |
Addition, shares | 650,000
Redemption, shares | 1,025,000
Net addition (redemption), shares | (375,000)
ProShares VIX Short-Term Futures ETF [Member] |
Addition, shares | 3,675,000
Redemption, shares | 5,825,000
Net addition (redemption), shares | (2,150,000)

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