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Contract OI history

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Feb 19, 2027 EXPIRATION

JANX $17.50 Put

JANX270219P00017500

Latest saved OI281Oct 23, 2026
Last change+10vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
JANX $17.50 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. 2811400 2026-10-09: 266 OI2026-10-13: 266 OI2026-10-14: 242 OI2026-10-16: 249 OI2026-10-20: 271 OI2026-10-23: 281 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, 2026Viewing281+10
Oct 20, 2026271+22
Oct 16, 2026249+7
Oct 14, 2026242-24
Oct 13, 20262660
Oct 09, 2026266No prior observation