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Contract OI history

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Dec 18, 2026 EXPIRATION

MRNA $220.00 Put

MRNA261218P00220000

Latest saved OI321Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $220.00 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. 3211600 2026-10-09: 41 OI2026-10-13: 83 OI2026-10-14: 83 OI2026-10-15: 101 OI2026-10-16: 255 OI2026-10-21: 318 OI2026-10-23: 321 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, 2026Viewing321+3
Oct 21, 2026318+63
Oct 16, 2026255+154
Oct 15, 2026101+18
Oct 14, 2026830
Oct 13, 202683+42
Oct 09, 202641No prior observation