OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

USB $52.50 Put

USB261120P00052500

Latest saved OI548Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
USB $52.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5762880 2026-10-02: 228 OI2026-10-05: 272 OI2026-10-06: 436 OI2026-10-07: 443 OI2026-10-08: 447 OI2026-10-09: 479 OI2026-10-14: 489 OI2026-10-15: 576 OI2026-10-16: 573 OI2026-10-21: 548 OI2026-10-23: 548 OI Oct 02, 2026Oct 23, 2026

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

USB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20265480
Oct 21, 2026Viewing548-25
Oct 16, 2026573-3
Oct 15, 2026576+87
Oct 14, 2026489+10
Oct 09, 2026479+32
Oct 08, 2026447+4
Oct 07, 2026443+7
Oct 06, 2026436+164
Oct 05, 2026272+44
Oct 02, 2026228No prior observation