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Contract OI history

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Nov 20, 2026 EXPIRATION

INVA $22.50 Call

INVA261120C00022500

Latest saved OI184Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
INVA $22.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 184920 2026-10-08: 181 OI2026-10-09: 182 OI2026-10-13: 182 OI2026-10-14: 182 OI2026-10-16: 182 OI2026-10-21: 182 OI2026-10-23: 184 OI Oct 08, 2026Oct 23, 2026

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

INVA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing184+2
Oct 21, 20261820
Oct 16, 20261820
Oct 14, 20261820
Oct 13, 20261820
Oct 09, 2026182+1
Oct 08, 2026181No prior observation