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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $240.00 Put

TSM270617P00240000

Latest saved OI357Oct 23, 2026
Last change+5vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $240.00 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. 3571780 2026-10-02: 334 OI2026-10-05: 332 OI2026-10-06: 339 OI2026-10-07: 339 OI2026-10-08: 339 OI2026-10-09: 339 OI2026-10-14: 340 OI2026-10-15: 340 OI2026-10-16: 341 OI2026-10-21: 352 OI2026-10-23: 357 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, 2026Viewing357+5
Oct 21, 2026352+11
Oct 16, 2026341+1
Oct 15, 20263400
Oct 14, 2026340+1
Oct 09, 20263390
Oct 08, 20263390
Oct 07, 20263390
Oct 06, 2026339+7
Oct 05, 2026332-2
Oct 02, 2026334No prior observation