OITracker Cboe delayed data

Contract OI history

Back to JANX

Jan 21, 2028 EXPIRATION

JANX $15.00 Put

JANX280121P00015000

Latest saved OI1,072Oct 23, 2026
Last change+79vs 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. 1,0725360 2026-10-09: 551 OI2026-10-13: 602 OI2026-10-14: 641 OI2026-10-16: 775 OI2026-10-20: 993 OI2026-10-23: 1,072 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, 2026Viewing1,072+79
Oct 20, 2026993+218
Oct 16, 2026775+134
Oct 14, 2026641+39
Oct 13, 2026602+51
Oct 09, 2026551No prior observation