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Contract OI history

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Nov 20, 2026 EXPIRATION

FER $55.00 Call

FER261120C00055000

Latest saved OI29Oct 20, 2026
Last change-2vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
FER $55.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 31150 2026-10-08: 6 OI2026-10-09: 19 OI2026-10-13: 24 OI2026-10-14: 24 OI2026-10-16: 31 OI2026-10-20: 29 OI Oct 08, 2026Oct 20, 2026

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

FER contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing29-2
Oct 16, 202631+7
Oct 14, 2026240
Oct 13, 202624+5
Oct 09, 202619+13
Oct 08, 20266No prior observation