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Contract OI history

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Oct 23, 2026 EXPIRATION

MDB $330.00 Put

MDB261023P00330000

Latest saved OI558Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $330.00 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. 5582790 2026-10-09: 268 OI2026-10-13: 296 OI2026-10-14: 296 OI2026-10-15: 297 OI2026-10-16: 394 OI2026-10-21: 557 OI2026-10-23: 558 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, 2026558+1
Oct 21, 2026Viewing557+163
Oct 16, 2026394+97
Oct 15, 2026297+1
Oct 14, 20262960
Oct 13, 2026296+28
Oct 09, 2026268No prior observation