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Contract OI history

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Nov 20, 2026 EXPIRATION

IONS $47.50 Call

IONS261120C00047500

Latest saved OI112Oct 19, 2026
Last change+2vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IONS $47.50 call open interest history 5 saved observations from 2026-10-09 to 2026-10-19. Exact values and changes are listed in the table below. 112560 2026-10-09: 89 OI2026-10-13: 96 OI2026-10-14: 96 OI2026-10-16: 110 OI2026-10-19: 112 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, 2026Viewing112+2
Oct 16, 2026110+14
Oct 14, 2026960
Oct 13, 202696+7
Oct 09, 202689No prior observation