OITracker Cboe delayed data

Contract OI history

Back to STM

Apr 16, 2027 EXPIRATION

STM $70.00 Call

STM270416C00070000

Latest saved OI200Oct 23, 2026
Last change+1vs 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. 2001000 2026-10-02: 118 OI2026-10-05: 159 OI2026-10-06: 168 OI2026-10-07: 183 OI2026-10-08: 183 OI2026-10-09: 198 OI2026-10-13: 198 OI2026-10-14: 198 OI2026-10-15: 197 OI2026-10-16: 197 OI2026-10-21: 199 OI2026-10-23: 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, 2026200+1
Oct 21, 2026Viewing199+2
Oct 16, 20261970
Oct 15, 2026197-1
Oct 14, 20261980
Oct 13, 20261980
Oct 09, 2026198+15
Oct 08, 20261830
Oct 07, 2026183+15
Oct 06, 2026168+9
Oct 05, 2026159+41
Oct 02, 2026118No prior observation