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Contract OI history

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Nov 20, 2026 EXPIRATION

EFOR $35.00 Call

EFOR261120C00035000

Latest saved OI187Oct 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 $35.00 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. 187930 2026-10-02: 49 OI2026-10-05: 49 OI2026-10-06: 178 OI2026-10-07: 178 OI2026-10-08: 178 OI2026-10-09: 178 OI2026-10-13: 178 OI2026-10-14: 177 OI2026-10-16: 179 OI2026-10-20: 187 OI2026-10-23: 187 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, 2026Viewing1870
Oct 20, 2026187+8
Oct 16, 2026179+2
Oct 14, 2026177-1
Oct 13, 20261780
Oct 09, 20261780
Oct 08, 20261780
Oct 07, 20261780
Oct 06, 2026178+129
Oct 05, 2026490
Oct 02, 202649No prior observation