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Contract OI history

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Oct 23, 2026 EXPIRATION

MDB $387.50 Call

MDB261023C00387500

Latest saved OI757Oct 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 $387.50 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. 9594790 2026-10-09: 3 OI2026-10-13: 412 OI2026-10-14: 412 OI2026-10-15: 959 OI2026-10-16: 958 OI2026-10-21: 757 OI2026-10-23: 757 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, 2026Viewing7570
Oct 21, 2026757-201
Oct 16, 2026958-1
Oct 15, 2026959+547
Oct 14, 20264120
Oct 13, 2026412+409
Oct 09, 20263No prior observation