OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

MRAM $25.00 Call

MRAM280121C00025000

Latest saved OI50Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
MRAM $25.00 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. 50250 2026-10-08: 5 OI2026-10-09: 5 OI2026-10-13: 44 OI2026-10-14: 49 OI2026-10-16: 50 OI2026-10-20: 50 OI2026-10-23: 50 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, 2026Viewing500
Oct 20, 2026500
Oct 16, 202650+1
Oct 14, 202649+5
Oct 13, 202644+39
Oct 09, 202650
Oct 08, 20265No prior observation