OITracker Cboe delayed data

Contract OI history

Back to STM

Nov 20, 2026 EXPIRATION

STM $70.00 Call

STM261120C00070000

Latest saved OI2,182Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $70.00 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. 2,2251,1120 2026-10-02: 1,916 OI2026-10-05: 2,170 OI2026-10-06: 2,212 OI2026-10-07: 2,225 OI2026-10-08: 2,225 OI2026-10-09: 2,218 OI2026-10-13: 2,218 OI2026-10-14: 2,218 OI2026-10-15: 2,218 OI2026-10-16: 2,217 OI2026-10-21: 2,180 OI2026-10-23: 2,182 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, 20262,182+2
Oct 21, 2026Viewing2,180-37
Oct 16, 20262,217-1
Oct 15, 20262,2180
Oct 14, 20262,2180
Oct 13, 20262,2180
Oct 09, 20262,218-7
Oct 08, 20262,2250
Oct 07, 20262,225+13
Oct 06, 20262,212+42
Oct 05, 20262,170+254
Oct 02, 20261,916No prior observation