OITracker Cboe delayed data

Contract OI history

Back to TSM

Feb 19, 2027 EXPIRATION

TSM $450.00 Put

TSM270219P00450000

Latest saved OI342Oct 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 $450.00 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. 3581790 2026-10-02: 128 OI2026-10-05: 128 OI2026-10-06: 142 OI2026-10-07: 144 OI2026-10-08: 144 OI2026-10-09: 358 OI2026-10-14: 358 OI2026-10-15: 355 OI2026-10-16: 339 OI2026-10-21: 341 OI2026-10-23: 342 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, 2026Viewing342+1
Oct 21, 2026341+2
Oct 16, 2026339-16
Oct 15, 2026355-3
Oct 14, 20263580
Oct 09, 2026358+214
Oct 08, 20261440
Oct 07, 2026144+2
Oct 06, 2026142+14
Oct 05, 20261280
Oct 02, 2026128No prior observation