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Contract OI history

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Dec 18, 2026 EXPIRATION

STX $650.00 Put

STX261218P00650000

Latest saved OI362Oct 23, 2026
Last change-144vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STX $650.00 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. 5062530 2026-10-09: 413 OI2026-10-13: 416 OI2026-10-14: 416 OI2026-10-15: 426 OI2026-10-16: 486 OI2026-10-21: 506 OI2026-10-23: 362 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, 2026Viewing362-144
Oct 21, 2026506+20
Oct 16, 2026486+60
Oct 15, 2026426+10
Oct 14, 20264160
Oct 13, 2026416+3
Oct 09, 2026413No prior observation