OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MRNA $28.00 Put

MRNA270115P00028000

Latest saved OI1,542Oct 23, 2026
Last change+38vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $28.00 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. 1,5427710 2026-10-09: 1,500 OI2026-10-13: 1,503 OI2026-10-14: 1,503 OI2026-10-15: 1,505 OI2026-10-16: 1,507 OI2026-10-21: 1,504 OI2026-10-23: 1,542 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, 20261,542+38
Oct 21, 2026Viewing1,504-3
Oct 16, 20261,507+2
Oct 15, 20261,505+2
Oct 14, 20261,5030
Oct 13, 20261,503+3
Oct 09, 20261,500No prior observation