OITracker Cboe delayed data

Contract OI history

Back to JANX

Jan 21, 2028 EXPIRATION

JANX $22.50 Put

JANX280121P00022500

Latest saved OI1,101Oct 23, 2026
Last change+43vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
JANX $22.50 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. 1,1015500 2026-10-09: 849 OI2026-10-13: 892 OI2026-10-14: 945 OI2026-10-16: 1,035 OI2026-10-20: 1,058 OI2026-10-23: 1,101 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, 2026Viewing1,101+43
Oct 20, 20261,058+23
Oct 16, 20261,035+90
Oct 14, 2026945+53
Oct 13, 2026892+43
Oct 09, 2026849No prior observation