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Contract OI history

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Mar 19, 2027 EXPIRATION

FER $45.00 Call

FER270319C00045000

Latest saved OI147Oct 20, 2026
Last change+1vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
FER $45.00 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. 147730 2026-10-08: 9 OI2026-10-09: 9 OI2026-10-13: 10 OI2026-10-14: 11 OI2026-10-16: 146 OI2026-10-20: 147 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, 2026Viewing147+1
Oct 16, 2026146+135
Oct 14, 202611+1
Oct 13, 202610+1
Oct 09, 202690
Oct 08, 20269No prior observation