OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

STM $120.00 Call

STM280121C00120000

Latest saved OI1,054Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $120.00 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. 1,1625810 2026-10-02: 1,077 OI2026-10-05: 1,162 OI2026-10-06: 1,158 OI2026-10-07: 1,160 OI2026-10-08: 1,160 OI2026-10-09: 1,141 OI2026-10-13: 1,132 OI2026-10-14: 1,132 OI2026-10-15: 1,102 OI2026-10-16: 1,106 OI2026-10-21: 1,058 OI2026-10-23: 1,054 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, 20261,054-4
Oct 21, 2026Viewing1,058-48
Oct 16, 20261,106+4
Oct 15, 20261,102-30
Oct 14, 20261,1320
Oct 13, 20261,132-9
Oct 09, 20261,141-19
Oct 08, 20261,1600
Oct 07, 20261,160+2
Oct 06, 20261,158-4
Oct 05, 20261,162+85
Oct 02, 20261,077No prior observation