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Contract OI history

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Jan 15, 2027 EXPIRATION

SOUN $3.50 Put

SOUN270115P00003500

Latest saved OI831Oct 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 $3.50 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. 8384190 2026-10-09: 838 OI2026-10-13: 838 OI2026-10-14: 838 OI2026-10-15: 828 OI2026-10-16: 828 OI2026-10-21: 829 OI2026-10-23: 831 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, 2026Viewing831+2
Oct 21, 2026829+1
Oct 16, 20268280
Oct 15, 2026828-10
Oct 14, 20268380
Oct 13, 20268380
Oct 09, 2026838No prior observation