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Contract OI history

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Nov 20, 2026 EXPIRATION

JANX $17.50 Put

JANX261120P00017500

Latest saved OI311Oct 23, 2026
Last change+250vs 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. 3111550 2026-10-09: 35 OI2026-10-13: 35 OI2026-10-14: 58 OI2026-10-16: 109 OI2026-10-20: 61 OI2026-10-23: 311 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, 2026Viewing311+250
Oct 20, 202661-48
Oct 16, 2026109+51
Oct 14, 202658+23
Oct 13, 2026350
Oct 09, 202635No prior observation