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Contract OI history

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Dec 18, 2026 EXPIRATION

ASYS $17.50 Call

ASYS261218C00017500

Latest saved OI25Oct 21, 2026
Last change+25vs previous saved observation
Saved market days2Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
ASYS $17.50 call open interest history 2 saved observations from 2026-10-16 to 2026-10-21. Exact values and changes are listed in the table below. 25120 2026-10-16: 0 OI2026-10-21: 25 OI Oct 16, 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, 2026Viewing25+25
Oct 16, 20260No prior observation