OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

MRNA $217.50 Call

MRNA261120C00217500

Latest saved OI122Oct 23, 2026
Last change+121vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $217.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 122610 2026-10-21: 1 OI2026-10-23: 122 OI Oct 21, 2026Oct 23, 2026

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

MRNA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing122+121
Oct 21, 20261No prior observation