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Contract OI history

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Jan 15, 2027 EXPIRATION

SOUN $4.50 Put

SOUN270115P00004500

Latest saved OI1,980Oct 23, 2026
Last change+9vs 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. 1,9809900 2026-10-09: 1,171 OI2026-10-13: 1,285 OI2026-10-14: 1,285 OI2026-10-15: 1,545 OI2026-10-16: 1,720 OI2026-10-21: 1,971 OI2026-10-23: 1,980 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, 2026Viewing1,980+9
Oct 21, 20261,971+251
Oct 16, 20261,720+175
Oct 15, 20261,545+260
Oct 14, 20261,2850
Oct 13, 20261,285+114
Oct 09, 20261,171No prior observation