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Contract OI history

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Jan 21, 2028 EXPIRATION

JANX $25.00 Put

JANX280121P00025000

Latest saved OI1,494Oct 23, 2026
Last change+94vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
JANX $25.00 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. 1,4947470 2026-10-09: 902 OI2026-10-13: 1,005 OI2026-10-14: 1,078 OI2026-10-16: 1,263 OI2026-10-20: 1,400 OI2026-10-23: 1,494 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, 2026Viewing1,494+94
Oct 20, 20261,400+137
Oct 16, 20261,263+185
Oct 14, 20261,078+73
Oct 13, 20261,005+103
Oct 09, 2026902No prior observation