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Contract OI history

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Mar 19, 2027 EXPIRATION

FER $55.00 Call

FER270319C00055000

Latest saved OI193Oct 20, 2026
Last change0vs 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. 193960 2026-10-08: 169 OI2026-10-09: 172 OI2026-10-13: 175 OI2026-10-14: 175 OI2026-10-16: 193 OI2026-10-20: 193 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, 2026Viewing1930
Oct 16, 2026193+18
Oct 14, 20261750
Oct 13, 2026175+3
Oct 09, 2026172+3
Oct 08, 2026169No prior observation