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Contract OI history

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Oct 23, 2026 EXPIRATION

MDB $340.00 Put

MDB261023P00340000

Latest saved OI636Oct 23, 2026
Last change-170vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $340.00 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. 8064030 2026-10-09: 152 OI2026-10-13: 216 OI2026-10-14: 216 OI2026-10-15: 219 OI2026-10-16: 298 OI2026-10-21: 806 OI2026-10-23: 636 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, 2026636-170
Oct 21, 2026Viewing806+508
Oct 16, 2026298+79
Oct 15, 2026219+3
Oct 14, 20262160
Oct 13, 2026216+64
Oct 09, 2026152No prior observation