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Contract OI history

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Nov 20, 2026 EXPIRATION

SOUN $9.00 Put

SOUN261120P00009000

Latest saved OI152Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOUN $9.00 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. 162810 2026-10-09: 106 OI2026-10-13: 162 OI2026-10-14: 162 OI2026-10-15: 155 OI2026-10-16: 150 OI2026-10-21: 153 OI2026-10-23: 152 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, 2026Viewing152-1
Oct 21, 2026153+3
Oct 16, 2026150-5
Oct 15, 2026155-7
Oct 14, 20261620
Oct 13, 2026162+56
Oct 09, 2026106No prior observation