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Contract OI history

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May 21, 2027 EXPIRATION

MNDY $55.00 Put

MNDY270521P00055000

Latest saved OI16Oct 23, 2026
Last change-5vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
MNDY $55.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 21100 2026-10-08: 11 OI2026-10-09: 9 OI2026-10-13: 20 OI2026-10-14: 20 OI2026-10-15: 21 OI2026-10-16: 21 OI2026-10-21: 21 OI2026-10-23: 16 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MNDY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing16-5
Oct 21, 2026210
Oct 16, 2026210
Oct 15, 202621+1
Oct 14, 2026200
Oct 13, 202620+11
Oct 09, 20269-2
Oct 08, 202611No prior observation