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Contract OI history

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Jan 21, 2028 EXPIRATION

MDB $640.00 Call

MDB280121C00640000

Latest saved OI1,261Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $640.00 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. 1,2656320 2026-10-09: 1,265 OI2026-10-13: 1,259 OI2026-10-14: 1,259 OI2026-10-15: 1,246 OI2026-10-16: 1,242 OI2026-10-21: 1,264 OI2026-10-23: 1,261 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, 2026Viewing1,261-3
Oct 21, 20261,264+22
Oct 16, 20261,242-4
Oct 15, 20261,246-13
Oct 14, 20261,2590
Oct 13, 20261,259-6
Oct 09, 20261,265No prior observation