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Contract OI history

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Nov 20, 2026 EXPIRATION

MYGN $4.00 Put

MYGN261120P00004000

Latest saved OI261Oct 23, 2026
Last change+12vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MYGN $4.00 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. 2611300 2026-10-09: 107 OI2026-10-13: 107 OI2026-10-14: 107 OI2026-10-16: 107 OI2026-10-21: 249 OI2026-10-23: 261 OI Oct 09, 2026Oct 23, 2026

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

MYGN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing261+12
Oct 21, 2026249+142
Oct 16, 20261070
Oct 14, 20261070
Oct 13, 20261070
Oct 09, 2026107No prior observation