OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

STM $35.00 Call

STM270115C00035000

Latest saved OI2,200Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $35.00 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. 2,2001,1000 2026-10-02: 2,200 OI2026-10-05: 2,200 OI2026-10-06: 2,200 OI2026-10-07: 2,200 OI2026-10-08: 2,200 OI2026-10-09: 2,200 OI2026-10-13: 2,200 OI2026-10-14: 2,200 OI2026-10-15: 2,200 OI2026-10-16: 2,200 OI2026-10-21: 2,200 OI2026-10-23: 2,200 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, 2026Viewing2,2000
Oct 21, 20262,2000
Oct 16, 20262,2000
Oct 15, 20262,2000
Oct 14, 20262,2000
Oct 13, 20262,2000
Oct 09, 20262,2000
Oct 08, 20262,2000
Oct 07, 20262,2000
Oct 06, 20262,2000
Oct 05, 20262,2000
Oct 02, 20262,200No prior observation