OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

STM $80.00 Call

STM270115C00080000

Latest saved OI7,181Oct 23, 2026
Last change+21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $80.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7,1813,5900 2026-10-02: 6,675 OI2026-10-05: 7,135 OI2026-10-06: 7,151 OI2026-10-07: 7,163 OI2026-10-08: 7,163 OI2026-10-09: 7,165 OI2026-10-13: 7,165 OI2026-10-14: 7,165 OI2026-10-15: 7,164 OI2026-10-16: 7,163 OI2026-10-21: 7,160 OI2026-10-23: 7,181 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

STM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20267,181+21
Oct 21, 2026Viewing7,160-3
Oct 16, 20267,163-1
Oct 15, 20267,164-1
Oct 14, 20267,1650
Oct 13, 20267,1650
Oct 09, 20267,165+2
Oct 08, 20267,1630
Oct 07, 20267,163+12
Oct 06, 20267,151+16
Oct 05, 20267,135+460
Oct 02, 20266,675No prior observation