OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

MA $530.00 Put

MA261023P00530000

Latest saved OI419Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $530.00 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. 6953470 2026-10-02: 666 OI2026-10-05: 695 OI2026-10-06: 573 OI2026-10-07: 565 OI2026-10-08: 565 OI2026-10-09: 459 OI2026-10-13: 456 OI2026-10-14: 456 OI2026-10-15: 456 OI2026-10-16: 431 OI2026-10-21: 419 OI2026-10-23: 419 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, 2026Viewing4190
Oct 21, 2026419-12
Oct 16, 2026431-25
Oct 15, 20264560
Oct 14, 20264560
Oct 13, 2026456-3
Oct 09, 2026459-106
Oct 08, 20265650
Oct 07, 2026565-8
Oct 06, 2026573-122
Oct 05, 2026695+29
Oct 02, 2026666No prior observation