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Contract OI history

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Dec 18, 2026 EXPIRATION

JACK $15.00 Put

JACK261218P00015000

Latest saved OI120Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
JACK $15.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 120600 2026-10-09: 100 OI2026-10-13: 100 OI2026-10-14: 120 OI2026-10-16: 120 OI2026-10-20: 120 OI2026-10-23: 120 OI Oct 09, 2026Oct 23, 2026

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

JACK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1200
Oct 20, 20261200
Oct 16, 20261200
Oct 14, 2026120+20
Oct 13, 20261000
Oct 09, 2026100No prior observation