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Contract OI history

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Jan 21, 2028 EXPIRATION

SSYS $15.00 Call

SSYS280121C00015000

Latest saved OI974Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
SSYS $15.00 call open interest history 7 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 9864930 2026-10-07: 986 OI2026-10-09: 986 OI2026-10-13: 986 OI2026-10-14: 986 OI2026-10-16: 986 OI2026-10-20: 974 OI2026-10-23: 974 OI Oct 07, 2026Oct 23, 2026

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

SSYS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing9740
Oct 20, 2026974-12
Oct 16, 20269860
Oct 14, 20269860
Oct 13, 20269860
Oct 09, 20269860
Oct 07, 2026986No prior observation