OITracker Cboe delayed data

Contract OI history

Back to TSM

Oct 23, 2026 EXPIRATION

TSM $420.00 Call

TSM261023C00420000

Latest saved OI3,608Oct 23, 2026
Last change+150vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $420.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3,6081,8040 2026-10-02: 330 OI2026-10-05: 326 OI2026-10-06: 326 OI2026-10-07: 326 OI2026-10-08: 326 OI2026-10-09: 326 OI2026-10-14: 359 OI2026-10-15: 375 OI2026-10-16: 711 OI2026-10-21: 3,458 OI2026-10-23: 3,608 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, 2026Viewing3,608+150
Oct 21, 20263,458+2,747
Oct 16, 2026711+336
Oct 15, 2026375+16
Oct 14, 2026359+33
Oct 09, 20263260
Oct 08, 20263260
Oct 07, 20263260
Oct 06, 20263260
Oct 05, 2026326-4
Oct 02, 2026330No prior observation