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Contract OI history

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Dec 18, 2026 EXPIRATION

JACK $17.50 Call

JACK261218C00017500

Latest saved OI242Oct 23, 2026
Last change+1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
JACK $17.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2421210 2026-10-09: 237 OI2026-10-13: 237 OI2026-10-14: 232 OI2026-10-16: 232 OI2026-10-20: 241 OI2026-10-23: 242 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, 2026Viewing242+1
Oct 20, 2026241+9
Oct 16, 20262320
Oct 14, 2026232-5
Oct 13, 20262370
Oct 09, 2026237No prior observation