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Contract OI history

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Nov 20, 2026 EXPIRATION

FERG $210.00 Put

FERG261120P00210000

Latest saved OI116Oct 21, 2026
Last change+44vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FERG $210.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 116580 2026-10-02: 56 OI2026-10-05: 57 OI2026-10-06: 57 OI2026-10-07: 57 OI2026-10-08: 60 OI2026-10-09: 60 OI2026-10-13: 60 OI2026-10-14: 60 OI2026-10-16: 72 OI2026-10-21: 116 OI Oct 02, 2026Oct 21, 2026

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

FERG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing116+44
Oct 16, 202672+12
Oct 14, 2026600
Oct 13, 2026600
Oct 09, 2026600
Oct 08, 202660+3
Oct 07, 2026570
Oct 06, 2026570
Oct 05, 202657+1
Oct 02, 202656No prior observation