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Contract OI history

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Dec 18, 2026 EXPIRATION

JANX $20.00 Put

JANX261218P00020000

Latest saved OI290Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
JANX $20.00 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. 2901450 2026-10-09: 273 OI2026-10-13: 273 OI2026-10-14: 273 OI2026-10-16: 290 OI2026-10-20: 290 OI2026-10-23: 290 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, 2026Viewing2900
Oct 20, 20262900
Oct 16, 2026290+17
Oct 14, 20262730
Oct 13, 20262730
Oct 09, 2026273No prior observation