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Contract OI history

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Dec 18, 2026 EXPIRATION

MDB $140.00 Put

MDB261218P00140000

Latest saved OI1,218Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $140.00 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. 1,2196090 2026-10-09: 1,219 OI2026-10-13: 1,219 OI2026-10-14: 1,219 OI2026-10-15: 1,219 OI2026-10-16: 1,219 OI2026-10-21: 1,219 OI2026-10-23: 1,218 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, 20261,218-1
Oct 21, 2026Viewing1,2190
Oct 16, 20261,2190
Oct 15, 20261,2190
Oct 14, 20261,2190
Oct 13, 20261,2190
Oct 09, 20261,219No prior observation