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Contract OI history

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Dec 18, 2026 EXPIRATION

MRNA $22.50 Put

MRNA261218P00022500

Latest saved OI3,523Oct 23, 2026
Last change+15vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $22.50 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. 3,5231,7610 2026-10-09: 3,508 OI2026-10-13: 3,508 OI2026-10-14: 3,508 OI2026-10-15: 3,508 OI2026-10-16: 3,508 OI2026-10-21: 3,508 OI2026-10-23: 3,523 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, 20263,523+15
Oct 21, 2026Viewing3,5080
Oct 16, 20263,5080
Oct 15, 20263,5080
Oct 14, 20263,5080
Oct 13, 20263,5080
Oct 09, 20263,508No prior observation