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Contract OI history

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Dec 18, 2026 EXPIRATION

MDB $380.00 Call

MDB261218C00380000

Latest saved OI166Oct 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 $380.00 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. 167830 2026-10-09: 158 OI2026-10-13: 165 OI2026-10-14: 165 OI2026-10-15: 164 OI2026-10-16: 164 OI2026-10-21: 167 OI2026-10-23: 166 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, 2026166-1
Oct 21, 2026Viewing167+3
Oct 16, 20261640
Oct 15, 2026164-1
Oct 14, 20261650
Oct 13, 2026165+7
Oct 09, 2026158No prior observation