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Contract OI history

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Nov 13, 2026 EXPIRATION

STX $640.00 Put

STX261113P00640000

Latest saved OI76Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STX $640.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 85420 2026-10-09: 20 OI2026-10-13: 27 OI2026-10-14: 27 OI2026-10-15: 27 OI2026-10-16: 64 OI2026-10-21: 85 OI2026-10-23: 76 OI Oct 09, 2026Oct 23, 2026

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

STX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing76-9
Oct 21, 202685+21
Oct 16, 202664+37
Oct 15, 2026270
Oct 14, 2026270
Oct 13, 202627+7
Oct 09, 202620No prior observation