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Contract OI history

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Jan 15, 2027 EXPIRATION

MDB $390.00 Call

MDB270115C00390000

Latest saved OI794Oct 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 $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. 8104050 2026-10-09: 786 OI2026-10-13: 803 OI2026-10-14: 803 OI2026-10-15: 803 OI2026-10-16: 810 OI2026-10-21: 795 OI2026-10-23: 794 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, 2026794-1
Oct 21, 2026Viewing795-15
Oct 16, 2026810+7
Oct 15, 20268030
Oct 14, 20268030
Oct 13, 2026803+17
Oct 09, 2026786No prior observation