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Contract OI history

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Nov 20, 2026 EXPIRATION

FERG $230.00 Put

FERG261120P00230000

Latest saved OI45Oct 21, 2026
Last change+21vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FERG $230.00 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. 45220 2026-10-02: 25 OI2026-10-05: 25 OI2026-10-06: 25 OI2026-10-07: 25 OI2026-10-08: 25 OI2026-10-09: 25 OI2026-10-13: 25 OI2026-10-14: 25 OI2026-10-16: 24 OI2026-10-21: 45 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, 2026Viewing45+21
Oct 16, 202624-1
Oct 14, 2026250
Oct 13, 2026250
Oct 09, 2026250
Oct 08, 2026250
Oct 07, 2026250
Oct 06, 2026250
Oct 05, 2026250
Oct 02, 202625No prior observation