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Contract OI history

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Nov 20, 2026 EXPIRATION

MRNA $240.00 Put

MRNA261120P00240000

Latest saved OI475Oct 23, 2026
Last change+277vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $240.00 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. 4752370 2026-10-09: 10 OI2026-10-13: 31 OI2026-10-14: 31 OI2026-10-15: 113 OI2026-10-16: 150 OI2026-10-21: 198 OI2026-10-23: 475 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, 2026475+277
Oct 21, 2026Viewing198+48
Oct 16, 2026150+37
Oct 15, 2026113+82
Oct 14, 2026310
Oct 13, 202631+21
Oct 09, 202610No prior observation