OITracker Cboe delayed data

Contract OI history

Back to JEF

Dec 18, 2026 EXPIRATION

JEF $42.50 Put

JEF261218P00042500

Latest saved OI305Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
JEF $42.50 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. 3051520 2026-10-02: 300 OI2026-10-05: 301 OI2026-10-06: 301 OI2026-10-07: 301 OI2026-10-08: 301 OI2026-10-09: 301 OI2026-10-13: 301 OI2026-10-14: 302 OI2026-10-15: 303 OI2026-10-16: 303 OI2026-10-21: 303 OI2026-10-23: 305 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, 2026Viewing305+2
Oct 21, 20263030
Oct 16, 20263030
Oct 15, 2026303+1
Oct 14, 2026302+1
Oct 13, 20263010
Oct 09, 20263010
Oct 08, 20263010
Oct 07, 20263010
Oct 06, 20263010
Oct 05, 2026301+1
Oct 02, 2026300No prior observation