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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $260.00 Put

TSM270319P00260000

Latest saved OI1,239Oct 23, 2026
Last change+6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $260.00 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. 1,2416200 2026-10-02: 1,241 OI2026-10-05: 1,239 OI2026-10-06: 1,239 OI2026-10-07: 1,239 OI2026-10-08: 1,239 OI2026-10-09: 1,239 OI2026-10-14: 1,229 OI2026-10-15: 1,229 OI2026-10-16: 1,225 OI2026-10-21: 1,233 OI2026-10-23: 1,239 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, 2026Viewing1,239+6
Oct 21, 20261,233+8
Oct 16, 20261,225-4
Oct 15, 20261,2290
Oct 14, 20261,229-10
Oct 09, 20261,2390
Oct 08, 20261,2390
Oct 07, 20261,2390
Oct 06, 20261,2390
Oct 05, 20261,239-2
Oct 02, 20261,241No prior observation