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Contract OI history

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Dec 18, 2026 EXPIRATION

FERG $240.00 Put

FERG261218P00240000

Latest saved OI57Oct 21, 2026
Last change+13vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FERG $240.00 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. 57280 2026-10-02: 23 OI2026-10-05: 23 OI2026-10-06: 23 OI2026-10-07: 23 OI2026-10-08: 44 OI2026-10-09: 44 OI2026-10-13: 44 OI2026-10-14: 44 OI2026-10-16: 44 OI2026-10-21: 57 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, 2026Viewing57+13
Oct 16, 2026440
Oct 14, 2026440
Oct 13, 2026440
Oct 09, 2026440
Oct 08, 202644+21
Oct 07, 2026230
Oct 06, 2026230
Oct 05, 2026230
Oct 02, 202623No prior observation