v3.26.1
Statements of Changes in Shareholders' Equity (Parenthetical) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Addition, shares 134,962,500 83,245,000 370,377,500 168,680,000
Redemption, shares 148,025,883 93,155,034 357,063,591 156,990,034
Net addition (redemption), shares (13,063,383) (9,910,034) 13,313,909 11,689,966
ProShares Short VIX Short-Term Futures ETF [Member]        
Addition, shares 500,000 16,400,000 1,000,000 18,650,000
Redemption, shares 650,000 14,900,000 1,500,000 17,400,000
Net addition (redemption), shares (150,000) 1,500,000 (500,000) 1,250,000
ProShares Ultra Bloomberg Crude Oil [Member]        
Addition, shares 8,000,000 9,200,000 23,350,000 14,900,000
Redemption, shares 13,950,000 6,450,000 33,600,000 15,250,000
Net addition (redemption), shares (5,950,000) 2,750,000 (10,250,000) (350,000)
ProShares Ultra Bloomberg Natural Gas [Member]        
Addition, shares 18,475,000 6,575,000 45,225,000 9,225,000
Redemption, shares 19,175,380 4,325,000 45,975,380 9,225,000
Net addition (redemption), shares (700,380) 2,250,000 (750,380) 0
ProShares Ultra Euro [Member]        
Addition, shares 0 200,000 50,000 200,000
Redemption, shares 100,000 0 100,000 100,000
Net addition (redemption), shares (100,000) 200,000 (50,000) 100,000
ProShares Ultra Gold [Member]        
Addition, shares 3,450,000 7,250,000 9,600,000 10,650,000
Redemption, shares 6,300,000 8,150,000 13,200,000 8,950,000
Net addition (redemption), shares (2,850,000) (900,000) (3,600,000) 1,700,000
ProShares Ultra Silver [Member]        
Addition, shares 7,600,000 5,000,000 19,750,000 9,850,000
Redemption, shares 4,850,000 5,650,000 15,600,000 11,550,000
Net addition (redemption), shares 2,750,000 (650,000) 4,150,000 (1,700,000)
ProShares Ultra VIX Short-Term Futures ETF [Member]        
Addition, shares 19,350,000 7,870,000 29,950,000 16,940,000
Redemption, shares 15,050,000 4,430,000 31,150,000 13,480,000
Net addition (redemption), shares 4,300,000 3,440,000 (1,200,000) 3,460,000
ProShares Ultra Yen [Member]        
Addition, shares 0 350,000 150,000 1,250,000
Redemption, shares 650,000 300,000 900,000 600,000
Net addition (redemption), shares (650,000) 50,000 (750,000) 650,000
ProShares UltraShort Bloomberg Crude Oil [Member]        
Addition, shares 44,587,500 2,475,000 78,462,500 5,000,000
Redemption, shares 49,050,503 3,275,000 54,738,003 4,925,000
Net addition (redemption), shares (4,463,003) (800,000) 23,724,497 75,000
ProShares UltraShort Bloomberg Natural Gas [Member]        
Addition, shares 12,000,000 18,750,000 77,100,000 65,750,000
Redemption, shares 15,250,000 36,750,000 74,900,000 60,600,000
Net addition (redemption), shares (3,250,000) (18,000,000) 2,200,000 5,150,000
ProShares UltraShort Euro [Member]        
Addition, shares 400,000 300,000 500,000 350,000
Redemption, shares 500,000 200,000 600,000 400,000
Net addition (redemption), shares (100,000) 100,000 (100,000) (50,000)
ProShares UltraShort Gold [Member]        
Addition, shares 2,200,000 6,100,000 13,050,000 6,850,000
Redemption, shares 3,850,000 5,275,034 12,050,000 5,375,034
Net addition (redemption), shares (1,650,000) 824,966 1,000,000 1,474,966
ProShares UltraShort Silver [Member]        
Addition, shares 11,650,000 150,000 62,490,000 265,000
Redemption, shares 14,850,000 125,000 63,200,208 185,000
Net addition (redemption), shares (3,200,000) 25,000 (710,208) 80,000
ProShares UltraShort Yen [Member]        
Addition, shares 150,000 100,000 350,000 250,000
Redemption, shares 150,000 200,000 500,000 300,000
Net addition (redemption), shares 0 (100,000) (150,000) (50,000)
ProShares VIX Mid-Term Futures ETF [Member]        
Addition, shares 100,000 25,000 1,700,000 1,325,000
Redemption, shares 1,425,000 900,000 1,900,000 1,975,000
Net addition (redemption), shares (1,325,000) (875,000) (200,000) (650,000)
ProShares VIX Short-Term Futures ETF [Member]        
Addition, shares 6,500,000 2,500,000 7,650,000 7,225,000
Redemption, shares 2,225,000 2,225,000 7,150,000 6,675,000
Net addition (redemption), shares 4,275,000 275,000 500,000 550,000