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Contract OI history

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Jan 21, 2028 EXPIRATION

SOUN $8.00 Put

SOUN280121P00008000

Latest saved OI4,621Oct 23, 2026
Last change+167vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOUN $8.00 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. 4,6212,3100 2026-10-09: 4,490 OI2026-10-13: 4,464 OI2026-10-14: 4,464 OI2026-10-15: 4,461 OI2026-10-16: 4,455 OI2026-10-21: 4,454 OI2026-10-23: 4,621 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, 2026Viewing4,621+167
Oct 21, 20264,454-1
Oct 16, 20264,455-6
Oct 15, 20264,461-3
Oct 14, 20264,4640
Oct 13, 20264,464-26
Oct 09, 20264,490No prior observation