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Contract OI history

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Mar 19, 2027 EXPIRATION

MDB $300.00 Put

MDB270319P00300000

Latest saved OI135Oct 23, 2026
Last change+18vs 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. 135670 2026-10-09: 112 OI2026-10-13: 115 OI2026-10-14: 115 OI2026-10-15: 114 OI2026-10-16: 113 OI2026-10-21: 117 OI2026-10-23: 135 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, 2026135+18
Oct 21, 2026Viewing117+4
Oct 16, 2026113-1
Oct 15, 2026114-1
Oct 14, 20261150
Oct 13, 2026115+3
Oct 09, 2026112No prior observation