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Contract OI history

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Dec 18, 2026 EXPIRATION

JANX $17.50 Call

JANX261218C00017500

Latest saved OI291Oct 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
JANX $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. 2911450 2026-10-09: 290 OI2026-10-13: 290 OI2026-10-14: 290 OI2026-10-16: 290 OI2026-10-20: 290 OI2026-10-23: 291 OI Oct 09, 2026Oct 23, 2026

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

JANX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing291+1
Oct 20, 20262900
Oct 16, 20262900
Oct 14, 20262900
Oct 13, 20262900
Oct 09, 2026290No prior observation