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Contract OI history

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Mar 19, 2027 EXPIRATION

SSYS $7.50 Call

SSYS270319C00007500

Latest saved OI42Oct 23, 2026
Last change+9vs 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. 42210 2026-10-07: 33 OI2026-10-09: 33 OI2026-10-13: 33 OI2026-10-14: 35 OI2026-10-16: 33 OI2026-10-20: 33 OI2026-10-23: 42 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, 2026Viewing42+9
Oct 20, 2026330
Oct 16, 202633-2
Oct 14, 202635+2
Oct 13, 2026330
Oct 09, 2026330
Oct 07, 202633No prior observation