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Contract OI history

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Nov 20, 2026 EXPIRATION

ASYS $17.50 Call

ASYS261120C00017500

Latest saved OI275Oct 21, 2026
Last change+36vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ASYS $17.50 call open interest history 6 saved observations from 2026-10-08 to 2026-10-21. Exact values and changes are listed in the table below. 2871430 2026-10-08: 286 OI2026-10-09: 286 OI2026-10-13: 287 OI2026-10-14: 287 OI2026-10-16: 239 OI2026-10-21: 275 OI Oct 08, 2026Oct 21, 2026

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

ASYS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing275+36
Oct 16, 2026239-48
Oct 14, 20262870
Oct 13, 2026287+1
Oct 09, 20262860
Oct 08, 2026286No prior observation