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Contract OI history

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Dec 18, 2026 EXPIRATION

YSS $17.50 Call

YSS261218C00017500

Latest saved OI912Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
YSS $17.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 9364680 2026-10-02: 929 OI2026-10-05: 936 OI2026-10-06: 936 OI2026-10-07: 916 OI2026-10-09: 916 OI2026-10-13: 916 OI2026-10-14: 916 OI2026-10-16: 913 OI2026-10-20: 912 OI2026-10-23: 912 OI Oct 02, 2026Oct 23, 2026

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

YSS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing9120
Oct 20, 2026912-1
Oct 16, 2026913-3
Oct 14, 20269160
Oct 13, 20269160
Oct 09, 20269160
Oct 07, 2026916-20
Oct 06, 20269360
Oct 05, 2026936+7
Oct 02, 2026929No prior observation