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Contract OI history

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Oct 23, 2026 EXPIRATION

MDB $390.00 Call

MDB261023C00390000

Latest saved OI637Oct 23, 2026
Last change+35vs 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. 6373180 2026-10-09: 499 OI2026-10-13: 541 OI2026-10-14: 541 OI2026-10-15: 544 OI2026-10-16: 546 OI2026-10-21: 602 OI2026-10-23: 637 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, 2026Viewing637+35
Oct 21, 2026602+56
Oct 16, 2026546+2
Oct 15, 2026544+3
Oct 14, 20265410
Oct 13, 2026541+42
Oct 09, 2026499No prior observation