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Contract OI history

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Jan 15, 2027 EXPIRATION

OUST $75.00 Put

OUST270115P00075000

Latest saved OI198Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $75.00 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. 2011000 2026-10-09: 201 OI2026-10-13: 201 OI2026-10-14: 201 OI2026-10-15: 201 OI2026-10-16: 201 OI2026-10-21: 200 OI2026-10-23: 198 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OUST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026198-2
Oct 21, 2026Viewing200-1
Oct 16, 20262010
Oct 15, 20262010
Oct 14, 20262010
Oct 13, 20262010
Oct 09, 2026201No prior observation