OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

MRAM $30.00 Call

MRAM261218C00030000

Latest saved OI2,814Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
MRAM $30.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2,8541,4270 2026-10-08: 2,854 OI2026-10-09: 2,854 OI2026-10-13: 2,823 OI2026-10-14: 2,819 OI2026-10-16: 2,818 OI2026-10-20: 2,816 OI2026-10-23: 2,814 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MRAM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,814-2
Oct 20, 20262,816-2
Oct 16, 20262,818-1
Oct 14, 20262,819-4
Oct 13, 20262,823-31
Oct 09, 20262,8540
Oct 08, 20262,854No prior observation