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Contract OI history

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Nov 20, 2026 EXPIRATION

SSYS $7.50 Put

SSYS261120P00007500

Latest saved OI341Oct 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 $7.50 put open interest history 7 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 3411700 2026-10-07: 96 OI2026-10-09: 114 OI2026-10-13: 138 OI2026-10-14: 153 OI2026-10-16: 220 OI2026-10-20: 341 OI2026-10-23: 341 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, 2026Viewing3410
Oct 20, 2026341+121
Oct 16, 2026220+67
Oct 14, 2026153+15
Oct 13, 2026138+24
Oct 09, 2026114+18
Oct 07, 202696No prior observation