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Contract OI history

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Jan 15, 2027 EXPIRATION

EFC $10.00 Put

EFC270115P00010000

Latest saved OI163Oct 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 $10.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 163810 2026-10-02: 11 OI2026-10-05: 11 OI2026-10-06: 11 OI2026-10-07: 21 OI2026-10-08: 161 OI2026-10-09: 162 OI2026-10-13: 162 OI2026-10-14: 162 OI2026-10-16: 162 OI2026-10-20: 163 OI2026-10-23: 163 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, 2026Viewing1630
Oct 20, 2026163+1
Oct 16, 20261620
Oct 14, 20261620
Oct 13, 20261620
Oct 09, 2026162+1
Oct 08, 2026161+140
Oct 07, 202621+10
Oct 06, 2026110
Oct 05, 2026110
Oct 02, 202611No prior observation