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Contract OI history

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Jan 15, 2027 EXPIRATION

MDB $240.00 Put

MDB270115P00240000

Latest saved OI479Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $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. 4912450 2026-10-09: 456 OI2026-10-13: 491 OI2026-10-14: 491 OI2026-10-15: 491 OI2026-10-16: 484 OI2026-10-21: 485 OI2026-10-23: 479 OI Oct 09, 2026Oct 23, 2026

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

MDB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing479-6
Oct 21, 2026485+1
Oct 16, 2026484-7
Oct 15, 20264910
Oct 14, 20264910
Oct 13, 2026491+35
Oct 09, 2026456No prior observation