OITracker Cboe delayed data

Contract OI history

Back to TSM

Nov 06, 2026 EXPIRATION

TSM $255.00 Put

TSM261106P00255000

Latest saved OI119Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $255.00 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. 119590 2026-10-02: 114 OI2026-10-05: 114 OI2026-10-06: 114 OI2026-10-07: 114 OI2026-10-08: 114 OI2026-10-09: 114 OI2026-10-14: 114 OI2026-10-15: 115 OI2026-10-16: 116 OI2026-10-21: 117 OI2026-10-23: 119 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, 2026Viewing119+2
Oct 21, 2026117+1
Oct 16, 2026116+1
Oct 15, 2026115+1
Oct 14, 20261140
Oct 09, 20261140
Oct 08, 20261140
Oct 07, 20261140
Oct 06, 20261140
Oct 05, 20261140
Oct 02, 2026114No prior observation