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Contract OI history

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Apr 16, 2027 EXPIRATION

TSM $240.00 Put

TSM270416P00240000

Latest saved OI194Oct 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 $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. 194970 2026-10-02: 171 OI2026-10-05: 172 OI2026-10-06: 172 OI2026-10-07: 172 OI2026-10-08: 172 OI2026-10-09: 172 OI2026-10-14: 172 OI2026-10-15: 172 OI2026-10-16: 173 OI2026-10-21: 193 OI2026-10-23: 194 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, 2026Viewing194+1
Oct 21, 2026193+20
Oct 16, 2026173+1
Oct 15, 20261720
Oct 14, 20261720
Oct 09, 20261720
Oct 08, 20261720
Oct 07, 20261720
Oct 06, 20261720
Oct 05, 2026172+1
Oct 02, 2026171No prior observation