OITracker Cboe delayed data

Contract OI history

Back to OUST

Nov 06, 2026 EXPIRATION

OUST $34.00 Put

OUST261106P00034000

Latest saved OI129Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $34.00 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. 129640 2026-10-09: 98 OI2026-10-13: 119 OI2026-10-14: 119 OI2026-10-15: 124 OI2026-10-16: 124 OI2026-10-21: 125 OI2026-10-23: 129 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, 2026Viewing129+4
Oct 21, 2026125+1
Oct 16, 20261240
Oct 15, 2026124+5
Oct 14, 20261190
Oct 13, 2026119+21
Oct 09, 202698No prior observation