OITracker Cboe delayed data

Contract OI history

Back to TSM

Nov 20, 2026 EXPIRATION

TSM $380.00 Put

TSM261120P00380000

Latest saved OI6,431Oct 23, 2026
Last change+25vs 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. 6,4313,2150 2026-10-02: 4,928 OI2026-10-05: 4,917 OI2026-10-06: 4,798 OI2026-10-07: 4,758 OI2026-10-08: 4,758 OI2026-10-09: 5,404 OI2026-10-14: 5,437 OI2026-10-15: 5,429 OI2026-10-16: 5,924 OI2026-10-21: 6,406 OI2026-10-23: 6,431 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, 2026Viewing6,431+25
Oct 21, 20266,406+482
Oct 16, 20265,924+495
Oct 15, 20265,429-8
Oct 14, 20265,437+33
Oct 09, 20265,404+646
Oct 08, 20264,7580
Oct 07, 20264,758-40
Oct 06, 20264,798-119
Oct 05, 20264,917-11
Oct 02, 20264,928No prior observation