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Contract OI history

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Oct 30, 2026 EXPIRATION

SOUN $5.50 Put

SOUN261030P00005500

Latest saved OI653Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOUN $5.50 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. 6633310 2026-10-09: 650 OI2026-10-13: 655 OI2026-10-14: 655 OI2026-10-15: 653 OI2026-10-16: 663 OI2026-10-21: 655 OI2026-10-23: 653 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, 2026Viewing653-2
Oct 21, 2026655-8
Oct 16, 2026663+10
Oct 15, 2026653-2
Oct 14, 20266550
Oct 13, 2026655+5
Oct 09, 2026650No prior observation