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Contract OI history

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Oct 30, 2026 EXPIRATION

MDB $390.00 Call

MDB261030C00390000

Latest saved OI390Oct 23, 2026
Last change+46vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $390.00 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. 3901950 2026-10-09: 337 OI2026-10-13: 335 OI2026-10-14: 335 OI2026-10-15: 338 OI2026-10-16: 338 OI2026-10-21: 344 OI2026-10-23: 390 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, 2026Viewing390+46
Oct 21, 2026344+6
Oct 16, 20263380
Oct 15, 2026338+3
Oct 14, 20263350
Oct 13, 2026335-2
Oct 09, 2026337No prior observation