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Contract OI history

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Jan 15, 2027 EXPIRATION

MDB $300.00 Put

MDB270115P00300000

Latest saved OI1,049Oct 23, 2026
Last change-13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $300.00 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. 1,0625310 2026-10-09: 973 OI2026-10-13: 1,053 OI2026-10-14: 1,053 OI2026-10-15: 1,054 OI2026-10-16: 1,053 OI2026-10-21: 1,062 OI2026-10-23: 1,049 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, 20261,049-13
Oct 21, 2026Viewing1,062+9
Oct 16, 20261,053-1
Oct 15, 20261,054+1
Oct 14, 20261,0530
Oct 13, 20261,053+80
Oct 09, 2026973No prior observation