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Contract OI history

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Oct 30, 2026 EXPIRATION

SOUN $9.50 Put

SOUN261030P00009500

Latest saved OI0Oct 23, 2026
Last change-40vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOUN $9.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 70350 2026-10-09: 70 OI2026-10-13: 51 OI2026-10-14: 51 OI2026-10-15: 50 OI2026-10-16: 50 OI2026-10-21: 40 OI2026-10-23: 0 OI Oct 09, 2026Oct 23, 2026

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

SOUN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing0-40
Oct 21, 202640-10
Oct 16, 2026500
Oct 15, 202650-1
Oct 14, 2026510
Oct 13, 202651-19
Oct 09, 202670No prior observation