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Contract OI history

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Feb 19, 2027 EXPIRATION

TSM $310.00 Put

TSM270219P00310000

Latest saved OI1,466Oct 23, 2026
Last change+69vs 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. 1,4667330 2026-10-02: 1,325 OI2026-10-05: 1,326 OI2026-10-06: 1,326 OI2026-10-07: 1,334 OI2026-10-08: 1,334 OI2026-10-09: 1,313 OI2026-10-14: 1,314 OI2026-10-15: 1,315 OI2026-10-16: 1,319 OI2026-10-21: 1,397 OI2026-10-23: 1,466 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, 2026Viewing1,466+69
Oct 21, 20261,397+78
Oct 16, 20261,319+4
Oct 15, 20261,315+1
Oct 14, 20261,314+1
Oct 09, 20261,313-21
Oct 08, 20261,3340
Oct 07, 20261,334+8
Oct 06, 20261,3260
Oct 05, 20261,326+1
Oct 02, 20261,325No prior observation