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Contract OI history

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Oct 23, 2026 EXPIRATION

TSM $445.00 Put

TSM261023P00445000

Latest saved OI46Oct 23, 2026
Last change-384vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $445.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5322660 2026-10-02: 266 OI2026-10-05: 264 OI2026-10-06: 286 OI2026-10-07: 292 OI2026-10-08: 292 OI2026-10-09: 461 OI2026-10-14: 532 OI2026-10-15: 501 OI2026-10-16: 503 OI2026-10-21: 430 OI2026-10-23: 46 OI Oct 02, 2026Oct 23, 2026

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

TSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing46-384
Oct 21, 2026430-73
Oct 16, 2026503+2
Oct 15, 2026501-31
Oct 14, 2026532+71
Oct 09, 2026461+169
Oct 08, 20262920
Oct 07, 2026292+6
Oct 06, 2026286+22
Oct 05, 2026264-2
Oct 02, 2026266No prior observation