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Contract OI history

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Oct 23, 2026 EXPIRATION

MRNA $217.50 Put

MRNA261023P00217500

Latest saved OI265Oct 23, 2026
Last change-19vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $217.50 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. 2841420 2026-10-09: 34 OI2026-10-13: 36 OI2026-10-14: 36 OI2026-10-15: 38 OI2026-10-16: 78 OI2026-10-21: 284 OI2026-10-23: 265 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, 2026Viewing265-19
Oct 21, 2026284+206
Oct 16, 202678+40
Oct 15, 202638+2
Oct 14, 2026360
Oct 13, 202636+2
Oct 09, 202634No prior observation