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Contract OI history

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Nov 20, 2026 EXPIRATION

STOK $20.00 Put

STOK261120P00020000

Latest saved OI10,025Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
STOK $20.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 10,0255,0120 2026-10-08: 8 OI2026-10-09: 24 OI2026-10-13: 24 OI2026-10-14: 25 OI2026-10-16: 10,025 OI2026-10-20: 10,025 OI2026-10-23: 10,025 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

STOK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing10,0250
Oct 20, 202610,0250
Oct 16, 202610,025+10,000
Oct 14, 202625+1
Oct 13, 2026240
Oct 09, 202624+16
Oct 08, 20268No prior observation