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Contract OI history

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Jan 21, 2028 EXPIRATION

JANX $30.00 Put

JANX280121P00030000

Latest saved OI441Oct 23, 2026
Last change+103vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
JANX $30.00 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. 4412200 2026-10-09: 186 OI2026-10-13: 186 OI2026-10-14: 186 OI2026-10-16: 260 OI2026-10-20: 338 OI2026-10-23: 441 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, 2026Viewing441+103
Oct 20, 2026338+78
Oct 16, 2026260+74
Oct 14, 20261860
Oct 13, 20261860
Oct 09, 2026186No prior observation