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Contract OI history

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Dec 15, 2028 EXPIRATION

MDB $390.00 Call

MDB281215C00390000

Latest saved OI265Oct 23, 2026
Last change0vs 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. 2831410 2026-10-09: 283 OI2026-10-13: 283 OI2026-10-14: 283 OI2026-10-15: 283 OI2026-10-16: 283 OI2026-10-21: 265 OI2026-10-23: 265 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, 20262650
Oct 21, 2026Viewing265-18
Oct 16, 20262830
Oct 15, 20262830
Oct 14, 20262830
Oct 13, 20262830
Oct 09, 2026283No prior observation