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Contract OI history

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Jan 15, 2027 EXPIRATION

EFC $10.00 Call

EFC270115C00010000

Latest saved OI32Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EFC $10.00 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. 32160 2026-10-02: 5 OI2026-10-05: 10 OI2026-10-06: 28 OI2026-10-07: 28 OI2026-10-08: 28 OI2026-10-09: 28 OI2026-10-13: 28 OI2026-10-14: 28 OI2026-10-16: 28 OI2026-10-20: 30 OI2026-10-23: 32 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, 2026Viewing32+2
Oct 20, 202630+2
Oct 16, 2026280
Oct 14, 2026280
Oct 13, 2026280
Oct 09, 2026280
Oct 08, 2026280
Oct 07, 2026280
Oct 06, 202628+18
Oct 05, 202610+5
Oct 02, 20265No prior observation