OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MA $520.00 Put

MA270115P00520000

Latest saved OI444Oct 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 $520.00 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. 6803400 2026-10-02: 680 OI2026-10-05: 678 OI2026-10-06: 679 OI2026-10-07: 679 OI2026-10-08: 679 OI2026-10-09: 477 OI2026-10-13: 477 OI2026-10-14: 477 OI2026-10-15: 453 OI2026-10-16: 454 OI2026-10-21: 445 OI2026-10-23: 444 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, 2026Viewing444-1
Oct 21, 2026445-9
Oct 16, 2026454+1
Oct 15, 2026453-24
Oct 14, 20264770
Oct 13, 20264770
Oct 09, 2026477-202
Oct 08, 20266790
Oct 07, 20266790
Oct 06, 2026679+1
Oct 05, 2026678-2
Oct 02, 2026680No prior observation