OITracker Cboe delayed data

Contract OI history

Back to TSM

Dec 18, 2026 EXPIRATION

TSM $290.00 Call

TSM261218C00290000

Latest saved OI738Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $290.00 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. 7413700 2026-10-02: 741 OI2026-10-05: 741 OI2026-10-06: 740 OI2026-10-07: 740 OI2026-10-08: 740 OI2026-10-09: 740 OI2026-10-14: 740 OI2026-10-15: 739 OI2026-10-16: 739 OI2026-10-21: 739 OI2026-10-23: 738 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, 2026Viewing738-1
Oct 21, 20267390
Oct 16, 20267390
Oct 15, 2026739-1
Oct 14, 20267400
Oct 09, 20267400
Oct 08, 20267400
Oct 07, 20267400
Oct 06, 2026740-1
Oct 05, 20267410
Oct 02, 2026741No prior observation