OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

MRNA $215.00 Put

MRNA261120P00215000

Latest saved OI123Oct 23, 2026
Last change+12vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $215.00 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 123610 2026-10-21: 111 OI2026-10-23: 123 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, 2026Viewing123+12
Oct 21, 2026111No prior observation