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Contract OI history

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Nov 20, 2026 EXPIRATION

MGNI $21.00 Put

MGNI261120P00021000

Latest saved OI61Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MGNI $21.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 61300 2026-10-09: 38 OI2026-10-13: 38 OI2026-10-14: 39 OI2026-10-16: 46 OI2026-10-21: 61 OI2026-10-23: 61 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MGNI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026610
Oct 21, 2026Viewing61+15
Oct 16, 202646+7
Oct 14, 202639+1
Oct 13, 2026380
Oct 09, 202638No prior observation