OITracker Cboe delayed data

Contract OI history

Back to MA

Jan 15, 2027 EXPIRATION

MA $525.00 Put

MA270115P00525000

Latest saved OI489Oct 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
MA $525.00 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. 4892440 2026-10-02: 476 OI2026-10-05: 477 OI2026-10-06: 484 OI2026-10-07: 484 OI2026-10-08: 484 OI2026-10-09: 485 OI2026-10-13: 484 OI2026-10-14: 484 OI2026-10-15: 483 OI2026-10-16: 483 OI2026-10-21: 487 OI2026-10-23: 489 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, 2026Viewing489+2
Oct 21, 2026487+4
Oct 16, 20264830
Oct 15, 2026483-1
Oct 14, 20264840
Oct 13, 2026484-1
Oct 09, 2026485+1
Oct 08, 20264840
Oct 07, 20264840
Oct 06, 2026484+7
Oct 05, 2026477+1
Oct 02, 2026476No prior observation