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Contract OI history

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Jan 15, 2027 EXPIRATION

MDB $400.00 Call

MDB270115C00400000

Latest saved OI364Oct 23, 2026
Last change+11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $400.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3641820 2026-10-09: 328 OI2026-10-13: 328 OI2026-10-14: 328 OI2026-10-15: 333 OI2026-10-16: 345 OI2026-10-21: 353 OI2026-10-23: 364 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, 2026364+11
Oct 21, 2026Viewing353+8
Oct 16, 2026345+12
Oct 15, 2026333+5
Oct 14, 20263280
Oct 13, 20263280
Oct 09, 2026328No prior observation