OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

YSS $5.00 Put

YSS261120P00005000

Latest saved OI702Oct 23, 2026
Last change+166vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
YSS $5.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7023510 2026-10-02: 280 OI2026-10-05: 280 OI2026-10-06: 280 OI2026-10-07: 280 OI2026-10-09: 286 OI2026-10-13: 291 OI2026-10-14: 296 OI2026-10-16: 528 OI2026-10-20: 536 OI2026-10-23: 702 OI Oct 02, 2026Oct 23, 2026

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

YSS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing702+166
Oct 20, 2026536+8
Oct 16, 2026528+232
Oct 14, 2026296+5
Oct 13, 2026291+5
Oct 09, 2026286+6
Oct 07, 20262800
Oct 06, 20262800
Oct 05, 20262800
Oct 02, 2026280No prior observation