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Contract OI history

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Oct 23, 2026 EXPIRATION

SOUN $4.50 Put

SOUN261023P00004500

Latest saved OI551Oct 23, 2026
Last change+85vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOUN $4.50 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. 5512750 2026-10-09: 22 OI2026-10-13: 45 OI2026-10-14: 45 OI2026-10-15: 134 OI2026-10-16: 267 OI2026-10-21: 466 OI2026-10-23: 551 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, 2026Viewing551+85
Oct 21, 2026466+199
Oct 16, 2026267+133
Oct 15, 2026134+89
Oct 14, 2026450
Oct 13, 202645+23
Oct 09, 202622No prior observation