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Contract OI history

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Dec 18, 2026 EXPIRATION

MRNA $210.00 Put

MRNA261218P00210000

Latest saved OI145Oct 23, 2026
Last change-21vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $210.00 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. 166830 2026-10-09: 110 OI2026-10-13: 123 OI2026-10-14: 123 OI2026-10-15: 136 OI2026-10-16: 142 OI2026-10-21: 166 OI2026-10-23: 145 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, 2026145-21
Oct 21, 2026Viewing166+24
Oct 16, 2026142+6
Oct 15, 2026136+13
Oct 14, 20261230
Oct 13, 2026123+13
Oct 09, 2026110No prior observation