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Contract OI history

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Jan 21, 2028 EXPIRATION

IONS $80.00 Call

IONS280121C00080000

Latest saved OI2,110Oct 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 $80.00 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. 2,1121,0560 2026-10-09: 2,112 OI2026-10-13: 2,112 OI2026-10-14: 2,112 OI2026-10-16: 2,112 OI2026-10-19: 2,110 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, 2026Viewing2,110-2
Oct 16, 20262,1120
Oct 14, 20262,1120
Oct 13, 20262,1120
Oct 09, 20262,112No prior observation