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Contract OI history

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Oct 23, 2026 EXPIRATION

TSM $310.00 Put

TSM261023P00310000

Latest saved OI102Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $310.00 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. 102510 2026-10-02: 18 OI2026-10-05: 18 OI2026-10-06: 17 OI2026-10-07: 17 OI2026-10-08: 17 OI2026-10-09: 25 OI2026-10-14: 25 OI2026-10-15: 94 OI2026-10-16: 95 OI2026-10-21: 101 OI2026-10-23: 102 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, 2026Viewing102+1
Oct 21, 2026101+6
Oct 16, 202695+1
Oct 15, 202694+69
Oct 14, 2026250
Oct 09, 202625+8
Oct 08, 2026170
Oct 07, 2026170
Oct 06, 202617-1
Oct 05, 2026180
Oct 02, 202618No prior observation