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Contract OI history

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Nov 20, 2026 EXPIRATION

SSYS $7.50 Call

SSYS261120C00007500

Latest saved OI1,296Oct 23, 2026
Last change+481vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
SSYS $7.50 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. 1,2966480 2026-10-07: 9 OI2026-10-09: 23 OI2026-10-13: 823 OI2026-10-14: 837 OI2026-10-16: 806 OI2026-10-20: 815 OI2026-10-23: 1,296 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, 2026Viewing1,296+481
Oct 20, 2026815+9
Oct 16, 2026806-31
Oct 14, 2026837+14
Oct 13, 2026823+800
Oct 09, 202623+14
Oct 07, 20269No prior observation