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Contract OI history

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Nov 20, 2026 EXPIRATION

SOUN $4.00 Put

SOUN261120P00004000

Latest saved OI607Oct 23, 2026
Last change+64vs 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. 6073030 2026-10-09: 87 OI2026-10-13: 127 OI2026-10-14: 127 OI2026-10-15: 228 OI2026-10-16: 511 OI2026-10-21: 543 OI2026-10-23: 607 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, 2026Viewing607+64
Oct 21, 2026543+32
Oct 16, 2026511+283
Oct 15, 2026228+101
Oct 14, 20261270
Oct 13, 2026127+40
Oct 09, 202687No prior observation