OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

MRNA $272.50 Put

MRNA261030P00272500

Latest saved OI31Oct 23, 2026
Last change+19vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $272.50 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. 31150 2026-10-21: 12 OI2026-10-23: 31 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, 2026Viewing31+19
Oct 21, 202612No prior observation