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Contract OI history

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Nov 20, 2026 EXPIRATION

EFC $12.50 Call

EFC261120C00012500

Latest saved OI2,062Oct 23, 2026
Last change0vs 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. 2,0621,0310 2026-10-02: 2,047 OI2026-10-05: 2,047 OI2026-10-06: 2,047 OI2026-10-07: 2,059 OI2026-10-08: 2,052 OI2026-10-09: 2,052 OI2026-10-13: 2,062 OI2026-10-14: 2,062 OI2026-10-16: 2,062 OI2026-10-20: 2,062 OI2026-10-23: 2,062 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, 2026Viewing2,0620
Oct 20, 20262,0620
Oct 16, 20262,0620
Oct 14, 20262,0620
Oct 13, 20262,062+10
Oct 09, 20262,0520
Oct 08, 20262,052-7
Oct 07, 20262,059+12
Oct 06, 20262,0470
Oct 05, 20262,0470
Oct 02, 20262,047No prior observation