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Contract OI history

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Oct 23, 2026 EXPIRATION

MRNA $237.50 Put

MRNA261023P00237500

Latest saved OI248Oct 23, 2026
Last change-43vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $237.50 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. 2911450 2026-10-09: 4 OI2026-10-13: 5 OI2026-10-14: 5 OI2026-10-15: 5 OI2026-10-16: 183 OI2026-10-21: 291 OI2026-10-23: 248 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, 2026Viewing248-43
Oct 21, 2026291+108
Oct 16, 2026183+178
Oct 15, 202650
Oct 14, 202650
Oct 13, 20265+1
Oct 09, 20264No prior observation