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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $240.00 Put

TSM270319P00240000

Latest saved OI1,392Oct 23, 2026
Last change-16vs 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. 1,4537260 2026-10-02: 1,434 OI2026-10-05: 1,428 OI2026-10-06: 1,428 OI2026-10-07: 1,453 OI2026-10-08: 1,453 OI2026-10-09: 1,428 OI2026-10-14: 1,428 OI2026-10-15: 1,418 OI2026-10-16: 1,398 OI2026-10-21: 1,408 OI2026-10-23: 1,392 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, 2026Viewing1,392-16
Oct 21, 20261,408+10
Oct 16, 20261,398-20
Oct 15, 20261,418-10
Oct 14, 20261,4280
Oct 09, 20261,428-25
Oct 08, 20261,4530
Oct 07, 20261,453+25
Oct 06, 20261,4280
Oct 05, 20261,428-6
Oct 02, 20261,434No prior observation