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Contract OI history

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Dec 18, 2026 EXPIRATION

MDB $500.00 Call

MDB261218C00500000

Latest saved OI880Oct 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 $500.00 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. 8914450 2026-10-09: 724 OI2026-10-13: 891 OI2026-10-14: 891 OI2026-10-15: 889 OI2026-10-16: 889 OI2026-10-21: 879 OI2026-10-23: 880 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, 2026Viewing880+1
Oct 21, 2026879-10
Oct 16, 20268890
Oct 15, 2026889-2
Oct 14, 20268910
Oct 13, 2026891+167
Oct 09, 2026724No prior observation