OITracker Cboe delayed data

Contract OI history

Back to MRNA

Dec 18, 2026 EXPIRATION

MRNA $40.00 Put

MRNA261218P00040000

Latest saved OI8,416Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $40.00 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. 8,4214,2100 2026-10-09: 8,408 OI2026-10-13: 8,413 OI2026-10-14: 8,413 OI2026-10-15: 8,415 OI2026-10-16: 8,417 OI2026-10-21: 8,421 OI2026-10-23: 8,416 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, 20268,416-5
Oct 21, 2026Viewing8,421+4
Oct 16, 20268,417+2
Oct 15, 20268,415+2
Oct 14, 20268,4130
Oct 13, 20268,413+5
Oct 09, 20268,408No prior observation