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Contract OI history

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Apr 16, 2027 EXPIRATION

SION $7.50 Call

SION270416C00007500

Latest saved OI115Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SION $7.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 115570 2026-10-09: 115 OI2026-10-13: 115 OI2026-10-14: 115 OI2026-10-15: 115 OI2026-10-16: 115 OI2026-10-20: 115 OI2026-10-23: 115 OI Oct 09, 2026Oct 23, 2026

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

SION contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261150
Oct 20, 2026Viewing1150
Oct 16, 20261150
Oct 15, 20261150
Oct 14, 20261150
Oct 13, 20261150
Oct 09, 2026115No prior observation