OITracker Cboe delayed data

Contract OI history

Back to TSM

Feb 19, 2027 EXPIRATION

TSM $410.00 Put

TSM270219P00410000

Latest saved OI1,892Oct 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 $410.00 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. 1,8929460 2026-10-02: 1,464 OI2026-10-05: 1,471 OI2026-10-06: 1,478 OI2026-10-07: 1,498 OI2026-10-08: 1,498 OI2026-10-09: 1,494 OI2026-10-14: 1,488 OI2026-10-15: 1,486 OI2026-10-16: 1,591 OI2026-10-21: 1,886 OI2026-10-23: 1,892 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, 2026Viewing1,892+6
Oct 21, 20261,886+295
Oct 16, 20261,591+105
Oct 15, 20261,486-2
Oct 14, 20261,488-6
Oct 09, 20261,494-4
Oct 08, 20261,4980
Oct 07, 20261,498+20
Oct 06, 20261,478+7
Oct 05, 20261,471+7
Oct 02, 20261,464No prior observation