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Contract OI history

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Dec 18, 2026 EXPIRATION

JANX $15.00 Put

JANX261218P00015000

Latest saved OI231Oct 23, 2026
Last change+28vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
JANX $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. 2311150 2026-10-09: 186 OI2026-10-13: 186 OI2026-10-14: 186 OI2026-10-16: 189 OI2026-10-20: 203 OI2026-10-23: 231 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, 2026Viewing231+28
Oct 20, 2026203+14
Oct 16, 2026189+3
Oct 14, 20261860
Oct 13, 20261860
Oct 09, 2026186No prior observation