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Contract OI history

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Mar 19, 2027 EXPIRATION

EFOR $25.00 Put

EFOR270319P00025000

Latest saved OI7Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EFOR $25.00 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. 730 2026-10-02: 6 OI2026-10-05: 7 OI2026-10-06: 7 OI2026-10-07: 7 OI2026-10-08: 7 OI2026-10-09: 7 OI2026-10-13: 7 OI2026-10-14: 7 OI2026-10-16: 7 OI2026-10-20: 7 OI2026-10-23: 7 OI Oct 02, 2026Oct 23, 2026

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

EFOR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing70
Oct 20, 202670
Oct 16, 202670
Oct 14, 202670
Oct 13, 202670
Oct 09, 202670
Oct 08, 202670
Oct 07, 202670
Oct 06, 202670
Oct 05, 20267+1
Oct 02, 20266No prior observation