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Contract OI history

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Jan 21, 2028 EXPIRATION

JEF $27.50 Put

JEF280121P00027500

Latest saved OI2,649Oct 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 $27.50 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. 2,6491,3240 2026-10-02: 1,552 OI2026-10-05: 1,552 OI2026-10-06: 1,552 OI2026-10-07: 1,552 OI2026-10-08: 2,649 OI2026-10-09: 2,649 OI2026-10-13: 2,649 OI2026-10-14: 2,649 OI2026-10-15: 2,649 OI2026-10-16: 2,649 OI2026-10-21: 2,649 OI2026-10-23: 2,649 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, 2026Viewing2,6490
Oct 21, 20262,6490
Oct 16, 20262,6490
Oct 15, 20262,6490
Oct 14, 20262,6490
Oct 13, 20262,6490
Oct 09, 20262,6490
Oct 08, 20262,649+1,097
Oct 07, 20261,5520
Oct 06, 20261,5520
Oct 05, 20261,5520
Oct 02, 20261,552No prior observation