OITracker Cboe delayed data

Contract OI history

Back to STM

Nov 20, 2026 EXPIRATION

STM $80.00 Call

STM261120C00080000

Latest saved OI2,515Oct 23, 2026
Last change-5vs 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. 2,7071,3530 2026-10-02: 2,707 OI2026-10-05: 2,648 OI2026-10-06: 2,662 OI2026-10-07: 2,526 OI2026-10-08: 2,526 OI2026-10-09: 2,526 OI2026-10-13: 2,521 OI2026-10-14: 2,521 OI2026-10-15: 2,520 OI2026-10-16: 2,520 OI2026-10-21: 2,520 OI2026-10-23: 2,515 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, 20262,515-5
Oct 21, 2026Viewing2,5200
Oct 16, 20262,5200
Oct 15, 20262,520-1
Oct 14, 20262,5210
Oct 13, 20262,521-5
Oct 09, 20262,5260
Oct 08, 20262,5260
Oct 07, 20262,526-136
Oct 06, 20262,662+14
Oct 05, 20262,648-59
Oct 02, 20262,707No prior observation