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Contract OI history

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Nov 13, 2026 EXPIRATION

SOUN $4.00 Put

SOUN261113P00004000

Latest saved OI428Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOUN $4.00 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. 4282140 2026-10-09: 300 OI2026-10-13: 342 OI2026-10-14: 342 OI2026-10-15: 342 OI2026-10-16: 379 OI2026-10-21: 425 OI2026-10-23: 428 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, 2026Viewing428+3
Oct 21, 2026425+46
Oct 16, 2026379+37
Oct 15, 20263420
Oct 14, 20263420
Oct 13, 2026342+42
Oct 09, 2026300No prior observation