OITracker Cboe delayed data

Contract OI history

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Dec 15, 2028 EXPIRATION

MRNA $55.00 Put

MRNA281215P00055000

Latest saved OI200Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $55.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2001000 2026-10-09: 199 OI2026-10-13: 199 OI2026-10-14: 199 OI2026-10-15: 199 OI2026-10-16: 199 OI2026-10-21: 200 OI2026-10-23: 200 OI Oct 09, 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, 2026Viewing2000
Oct 21, 2026200+1
Oct 16, 20261990
Oct 15, 20261990
Oct 14, 20261990
Oct 13, 20261990
Oct 09, 2026199No prior observation