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Contract OI history

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Oct 30, 2026 EXPIRATION

MDB $310.00 Put

MDB261030P00310000

Latest saved OI162Oct 23, 2026
Last change+49vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $310.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 162810 2026-10-09: 80 OI2026-10-13: 81 OI2026-10-14: 81 OI2026-10-15: 81 OI2026-10-16: 81 OI2026-10-21: 113 OI2026-10-23: 162 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, 2026162+49
Oct 21, 2026Viewing113+32
Oct 16, 2026810
Oct 15, 2026810
Oct 14, 2026810
Oct 13, 202681+1
Oct 09, 202680No prior observation