OITracker Cboe delayed data

Contract OI history

Back to JANX

Jan 15, 2027 EXPIRATION

JANX $25.00 Put

JANX270115P00025000

Latest saved OI517Oct 23, 2026
Last change+11vs 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. 5172580 2026-10-09: 421 OI2026-10-13: 455 OI2026-10-14: 462 OI2026-10-16: 506 OI2026-10-20: 506 OI2026-10-23: 517 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, 2026Viewing517+11
Oct 20, 20265060
Oct 16, 2026506+44
Oct 14, 2026462+7
Oct 13, 2026455+34
Oct 09, 2026421No prior observation