v3.21.1

Statements of Changes in Shareholders' Equity (Parenthetical) - shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Addition, shares	255,925,000	246,780,000
Redemption, shares	138,550,000	107,815,000
Net addition (redemption), shares	117,375,000	138,965,000
ProShares Short Euro [Member]
Redemption, shares	50,000
Net addition (redemption), shares	(50,000)
ProShares Short VIX Short-Term Futures ETF [Member]
Addition, shares	2,400,000	24,850,000
Redemption, shares	1,100,000	3,100,000
Net addition (redemption), shares	1,300,000	21,750,000
ProShares Ultra Bloomberg Crude Oil [Member]
Addition, shares	2,350,000	10,680,000
Redemption, shares	6,450,000	440,000
Net addition (redemption), shares	(4,100,000)	10,240,000
ProShares Ultra Bloomberg Natural Gas [Member]
Addition, shares	3,400,000	225,000
Redemption, shares	8,000,000	125,000
Net addition (redemption), shares	(4,600,000)	100,000
ProShares Ultra Euro [Member]
Addition, shares		50,000
Redemption, shares	50,000	200,000
Net addition (redemption), shares	(50,000)	(150,000)
ProShares Ultra Gold [Member]
Addition, shares	600,000	1,150,000
Redemption, shares	550,000	950,000
Net addition (redemption), shares	50,000	200,000
ProShares Ultra Silver [Member]
Addition, shares	2,400,000	750,000
Redemption, shares	3,250,000	1,250,000
Net addition (redemption), shares	(850,000)	(500,000)
ProShares Ultra VIX Short-Term Futures ETF [Member]
Addition, shares	196,300,000	9,900,000
Redemption, shares	95,400,000	41,400,000
Net addition (redemption), shares	100,900,000	(31,500,000)
ProShares Ultra Yen [Member]
Redemption, shares		50,000
Net addition (redemption), shares		(50,000)
ProShares UltraShort Bloomberg Crude Oil [Member]
Addition, shares	7,800,000	3,350,000
Redemption, shares	3,400,000	11,600,000
Net addition (redemption), shares	4,400,000	(8,250,000)
ProShares UltraShort Bloomberg Natural Gas [Member]
Addition, shares	4,100,000	550,000
Redemption, shares	2,850,000	600,000
Net addition (redemption), shares	1,250,000	(50,000)
ProShares UltraShort Euro [Member]
Addition, shares	200,000	200,000
Redemption, shares	300,000	1,350,000
Net addition (redemption), shares	(100,000)	(1,150,000)
ProShares UltraShort Gold [Member]
Addition, shares	750,000	200,000
Redemption, shares	300,000	150,000
Net addition (redemption), shares	450,000	50,000
ProShares UltraShort Silver [Member]
Addition, shares	9,800,000	200,000
Redemption, shares	7,500,000	200,000
Net addition (redemption), shares	2,300,000
ProShares UltraShort Yen [Member]
Addition, shares	100,000	50,000
Redemption, shares		150,000
Net addition (redemption), shares	100,000	(100,000)
ProShares VIX Mid-Term Futures ETF [Member]
Addition, shares	400,000	375,000
Redemption, shares	200,000	1,375,000
Net addition (redemption), shares	200,000	(1,000,000)
ProShares VIX Short-Term Futures ETF [Member]
Addition, shares	25,325,000	6,800,000
Redemption, shares	9,150,000	23,675,000
Net addition (redemption), shares	16,175,000	(16,875,000)

X

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