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Contract OI history

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Feb 19, 2027 EXPIRATION

APPN $37.50 Call

APPN270219C00037500

Latest saved OI13Oct 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
APPN $37.50 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. 1360 2026-10-08: 11 OI2026-10-09: 11 OI2026-10-13: 11 OI2026-10-15: 11 OI2026-10-16: 11 OI2026-10-20: 11 OI2026-10-23: 13 OI Oct 08, 2026Oct 23, 2026

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

APPN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing13+2
Oct 20, 2026110
Oct 16, 2026110
Oct 15, 2026110
Oct 13, 2026110
Oct 09, 2026110
Oct 08, 202611No prior observation