OITracker Cboe delayed data

Contract OI history

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Dec 15, 2028 EXPIRATION

MA $550.00 Call

MA281215C00550000

Latest saved OI414Oct 23, 2026
Last change-25vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $550.00 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. 4402200 2026-10-02: 345 OI2026-10-05: 436 OI2026-10-06: 436 OI2026-10-07: 436 OI2026-10-08: 436 OI2026-10-09: 440 OI2026-10-13: 439 OI2026-10-14: 439 OI2026-10-15: 439 OI2026-10-16: 439 OI2026-10-21: 439 OI2026-10-23: 414 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, 2026Viewing414-25
Oct 21, 20264390
Oct 16, 20264390
Oct 15, 20264390
Oct 14, 20264390
Oct 13, 2026439-1
Oct 09, 2026440+4
Oct 08, 20264360
Oct 07, 20264360
Oct 06, 20264360
Oct 05, 2026436+91
Oct 02, 2026345No prior observation