OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MA $620.00 Put

MA270115P00620000

Latest saved OI218Oct 23, 2026
Last change+24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $620.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2181090 2026-10-02: 12 OI2026-10-05: 12 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 12 OI2026-10-13: 12 OI2026-10-14: 12 OI2026-10-15: 166 OI2026-10-16: 183 OI2026-10-21: 194 OI2026-10-23: 218 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, 2026Viewing218+24
Oct 21, 2026194+11
Oct 16, 2026183+17
Oct 15, 2026166+154
Oct 14, 2026120
Oct 13, 2026120
Oct 09, 2026120
Oct 08, 2026120
Oct 07, 2026120
Oct 06, 2026120
Oct 05, 2026120
Oct 02, 202612No prior observation