OITracker Cboe delayed data

Contract OI history

Back to MA

Mar 19, 2027 EXPIRATION

MA $640.00 Call

MA270319C00640000

Latest saved OI170Oct 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
MA $640.00 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. 170850 2026-10-02: 147 OI2026-10-05: 146 OI2026-10-06: 146 OI2026-10-07: 148 OI2026-10-08: 148 OI2026-10-09: 147 OI2026-10-13: 149 OI2026-10-14: 149 OI2026-10-15: 149 OI2026-10-16: 157 OI2026-10-21: 169 OI2026-10-23: 170 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing170+1
Oct 21, 2026169+12
Oct 16, 2026157+8
Oct 15, 20261490
Oct 14, 20261490
Oct 13, 2026149+2
Oct 09, 2026147-1
Oct 08, 20261480
Oct 07, 2026148+2
Oct 06, 20261460
Oct 05, 2026146-1
Oct 02, 2026147No prior observation