OITracker Cboe delayed data

Contract OI history

Back to TSM

Oct 23, 2026 EXPIRATION

TSM $260.00 Put

TSM261023P00260000

Latest saved OI256Oct 23, 2026
Last change+117vs 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. 2561280 2026-10-02: 88 OI2026-10-05: 88 OI2026-10-06: 88 OI2026-10-07: 88 OI2026-10-08: 88 OI2026-10-09: 88 OI2026-10-14: 88 OI2026-10-15: 88 OI2026-10-16: 88 OI2026-10-21: 139 OI2026-10-23: 256 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, 2026Viewing256+117
Oct 21, 2026139+51
Oct 16, 2026880
Oct 15, 2026880
Oct 14, 2026880
Oct 09, 2026880
Oct 08, 2026880
Oct 07, 2026880
Oct 06, 2026880
Oct 05, 2026880
Oct 02, 202688No prior observation