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STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical)
|
3 Months Ended |
|---|---|
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Mar. 31, 2013
|
|
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ProShares UltraShort DJ-UBS Crude Oil [Member]
|
|
| Addition, shares | 2,350,000 |
| Redemption, shares | 700,000 |
| Net addition (redemption), shares | 1,650,000 |
|
ProShares UltraShort DJ-UBS Natural Gas [Member]
|
|
| Addition, shares | 950,000 |
| Redemption, shares | 50,000 |
| Net addition (redemption), shares | 900,000 |
|
ProShares UltraShort Gold [Member]
|
|
| Addition, shares | 250,000 |
| Redemption, shares | 150,000 |
| Net addition (redemption), shares | 100,000 |
|
ProShares UltraShort Silver [Member]
|
|
| Addition, shares | 600,000 |
| Redemption, shares | 600,000 |
| Net addition (redemption), shares | 0 |
|
ProShares UltraShort Euro [Member]
|
|
| Addition, shares | 2,100,000 |
| Redemption, shares | 4,000,000 |
| Net addition (redemption), shares | (1,900,000) |
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ProShares UltraShort Yen [Member]
|
|
| Addition, shares | 1,100,000 |
| Redemption, shares | 1,150,000 |
| Net addition (redemption), shares | (50,000) |
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ProShares Ultra DJ-UBS Commodity [Member]
|
|
| Redemption, shares | 50,000 |
|
ProShares Ultra DJ-UBS Crude Oil [Member]
|
|
| Addition, shares | 850,000 |
| Redemption, shares | 7,000,000 |
| Net addition (redemption), shares | (6,150,000) |
|
ProShares Ultra DJ-UBS Natural Gas [Member]
|
|
| Addition, shares | 1,000,000 |
| Redemption, shares | 1,850,000 |
| Net addition (redemption), shares | (850,000) |
|
ProShares Ultra Gold [Member]
|
|
| Addition, shares | 100,000 |
|
ProShares Ultra Silver [Member]
|
|
| Addition, shares | 2,150,000 |
| Redemption, shares | 150,000 |
| Net addition (redemption), shares | 2,000,000 |
|
ProShares Ultra Yen [Member]
|
|
| Addition, shares | 50,000 |
| Redemption, shares | 50,000 |
| Net addition (redemption), shares | 0 |
|
ProShares VIX Short-Term Futures ETF [Member]
|
|
| Addition, shares | 15,800,000 |
| Redemption, shares | 3,825,000 |
| Net addition (redemption), shares | 11,975,000 |
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ProShares VIX Mid-Term Futures ETF [Member]
|
|
| Addition, shares | 1,825,000 |
| Redemption, shares | 325,000 |
| Net addition (redemption), shares | 1,500,000 |
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ProShares Ultra VIX Short-Term Futures ETF [Member]
|
|
| Addition, shares | 62,100,000 |
| Redemption, shares | 20,850,000 |
| Net addition (redemption), shares | 41,250,000 |
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ProShares Short VIX Short-Term Futures ETF [Member]
|
|
| Addition, shares | 1,400,000 |
| Redemption, shares | 1,900,000 |
| Net addition (redemption), shares | (500,000) |
|
ProShares Trust II [Member]
|
|
| Addition, shares | 92,625,000 |
| Redemption, shares | 42,650,015 |
| Net addition (redemption), shares | 49,974,985 |