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Contract OI history

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Dec 17, 2027 EXPIRATION

MDB $440.00 Call

MDB271217C00440000

Latest saved OI508Oct 23, 2026
Last change-12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $440.00 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. 5202600 2026-10-09: 519 OI2026-10-13: 520 OI2026-10-14: 520 OI2026-10-15: 520 OI2026-10-16: 520 OI2026-10-21: 520 OI2026-10-23: 508 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, 2026508-12
Oct 21, 2026Viewing5200
Oct 16, 20265200
Oct 15, 20265200
Oct 14, 20265200
Oct 13, 2026520+1
Oct 09, 2026519No prior observation