OITracker Cboe delayed data

Contract OI history

Back to TSM

Oct 23, 2026 EXPIRATION

TSM $380.00 Put

TSM261023P00380000

Latest saved OI1,256Oct 23, 2026
Last change+46vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $380.00 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. 1,2566280 2026-10-02: 330 OI2026-10-05: 312 OI2026-10-06: 297 OI2026-10-07: 293 OI2026-10-08: 293 OI2026-10-09: 284 OI2026-10-14: 395 OI2026-10-15: 416 OI2026-10-16: 678 OI2026-10-21: 1,210 OI2026-10-23: 1,256 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, 2026Viewing1,256+46
Oct 21, 20261,210+532
Oct 16, 2026678+262
Oct 15, 2026416+21
Oct 14, 2026395+111
Oct 09, 2026284-9
Oct 08, 20262930
Oct 07, 2026293-4
Oct 06, 2026297-15
Oct 05, 2026312-18
Oct 02, 2026330No prior observation