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Contract OI history

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Jan 21, 2028 EXPIRATION

IONS $100.00 Call

IONS280121C00100000

Latest saved OI194Oct 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 $100.00 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. 194970 2026-10-09: 194 OI2026-10-13: 194 OI2026-10-14: 194 OI2026-10-16: 194 OI2026-10-19: 194 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, 2026Viewing1940
Oct 16, 20261940
Oct 14, 20261940
Oct 13, 20261940
Oct 09, 2026194No prior observation