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Contract OI history

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Mar 19, 2027 EXPIRATION

EFOR $30.00 Put

EFOR270319P00030000

Latest saved OI125Oct 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 $30.00 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. 125620 2026-10-02: 124 OI2026-10-05: 124 OI2026-10-06: 124 OI2026-10-07: 124 OI2026-10-08: 124 OI2026-10-09: 124 OI2026-10-13: 124 OI2026-10-14: 124 OI2026-10-16: 124 OI2026-10-20: 125 OI2026-10-23: 125 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, 2026Viewing1250
Oct 20, 2026125+1
Oct 16, 20261240
Oct 14, 20261240
Oct 13, 20261240
Oct 09, 20261240
Oct 08, 20261240
Oct 07, 20261240
Oct 06, 20261240
Oct 05, 20261240
Oct 02, 2026124No prior observation