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Contract OI history

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Nov 20, 2026 EXPIRATION

MDB $300.00 Put

MDB261120P00300000

Latest saved OI959Oct 23, 2026
Last change-27vs 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. 9864930 2026-10-09: 917 OI2026-10-13: 897 OI2026-10-14: 897 OI2026-10-15: 897 OI2026-10-16: 949 OI2026-10-21: 986 OI2026-10-23: 959 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, 2026959-27
Oct 21, 2026Viewing986+37
Oct 16, 2026949+52
Oct 15, 20268970
Oct 14, 20268970
Oct 13, 2026897-20
Oct 09, 2026917No prior observation