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Contract OI history

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Jan 19, 2029 EXPIRATION

IONS $52.50 Put

IONS290119P00052500

Latest saved OI23Oct 19, 2026
Last change0vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IONS $52.50 put open interest history 5 saved observations from 2026-10-09 to 2026-10-19. Exact values and changes are listed in the table below. 23110 2026-10-09: 23 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-16: 23 OI2026-10-19: 23 OI Oct 09, 2026Oct 19, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

IONS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 19, 2026Viewing230
Oct 16, 2026230
Oct 14, 2026230
Oct 13, 2026230
Oct 09, 202623No prior observation