OITracker Cboe delayed data

Contract OI history

Back to TSM

Jan 15, 2027 EXPIRATION

TSM $640.00 Call

TSM270115C00640000

Latest saved OI1,127Oct 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 $640.00 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. 1,1275630 2026-10-02: 1,094 OI2026-10-05: 1,094 OI2026-10-06: 1,094 OI2026-10-07: 1,095 OI2026-10-08: 1,095 OI2026-10-09: 1,095 OI2026-10-14: 1,095 OI2026-10-15: 1,094 OI2026-10-16: 1,127 OI2026-10-21: 1,126 OI2026-10-23: 1,127 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, 2026Viewing1,127+1
Oct 21, 20261,126-1
Oct 16, 20261,127+33
Oct 15, 20261,094-1
Oct 14, 20261,0950
Oct 09, 20261,0950
Oct 08, 20261,0950
Oct 07, 20261,095+1
Oct 06, 20261,0940
Oct 05, 20261,0940
Oct 02, 20261,094No prior observation