OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

MRNA $190.00 Put

MRNA261218P00190000

Latest saved OI401Oct 23, 2026
Last change-13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $190.00 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. 4262130 2026-10-09: 423 OI2026-10-13: 426 OI2026-10-14: 426 OI2026-10-15: 394 OI2026-10-16: 407 OI2026-10-21: 414 OI2026-10-23: 401 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, 2026401-13
Oct 21, 2026Viewing414+7
Oct 16, 2026407+13
Oct 15, 2026394-32
Oct 14, 20264260
Oct 13, 2026426+3
Oct 09, 2026423No prior observation