OITracker Cboe delayed data

Contract OI history

Back to JEF

Dec 18, 2026 EXPIRATION

JEF $40.00 Put

JEF261218P00040000

Latest saved OI23Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
JEF $40.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 23110 2026-10-02: 11 OI2026-10-05: 11 OI2026-10-06: 10 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 12 OI2026-10-13: 12 OI2026-10-14: 18 OI2026-10-15: 18 OI2026-10-16: 18 OI2026-10-21: 23 OI2026-10-23: 23 OI Oct 02, 2026Oct 23, 2026

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

JEF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing230
Oct 21, 202623+5
Oct 16, 2026180
Oct 15, 2026180
Oct 14, 202618+6
Oct 13, 2026120
Oct 09, 2026120
Oct 08, 2026120
Oct 07, 202612+2
Oct 06, 202610-1
Oct 05, 2026110
Oct 02, 202611No prior observation