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Contract OI history

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Jan 15, 2027 EXPIRATION

EFC $12.50 Call

EFC270115C00012500

Latest saved OI152Oct 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. 152760 2026-10-02: 128 OI2026-10-05: 128 OI2026-10-06: 151 OI2026-10-07: 151 OI2026-10-08: 151 OI2026-10-09: 151 OI2026-10-13: 151 OI2026-10-14: 151 OI2026-10-16: 152 OI2026-10-20: 152 OI2026-10-23: 152 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, 2026Viewing1520
Oct 20, 20261520
Oct 16, 2026152+1
Oct 14, 20261510
Oct 13, 20261510
Oct 09, 20261510
Oct 08, 20261510
Oct 07, 20261510
Oct 06, 2026151+23
Oct 05, 20261280
Oct 02, 2026128No prior observation