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Contract OI history

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Apr 16, 2027 EXPIRATION

EFC $12.50 Call

EFC270416C00012500

Latest saved OI241Oct 23, 2026
Last change+6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EFC $12.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2411200 2026-10-02: 108 OI2026-10-05: 108 OI2026-10-06: 108 OI2026-10-07: 108 OI2026-10-08: 120 OI2026-10-09: 136 OI2026-10-13: 217 OI2026-10-14: 234 OI2026-10-16: 234 OI2026-10-20: 235 OI2026-10-23: 241 OI Oct 02, 2026Oct 23, 2026

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

EFC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing241+6
Oct 20, 2026235+1
Oct 16, 20262340
Oct 14, 2026234+17
Oct 13, 2026217+81
Oct 09, 2026136+16
Oct 08, 2026120+12
Oct 07, 20261080
Oct 06, 20261080
Oct 05, 20261080
Oct 02, 2026108No prior observation