OITracker Cboe delayed data

Contract OI history

Back to YSS

Nov 20, 2026 EXPIRATION

YSS $7.50 Put

YSS261120P00007500

Latest saved OI581Oct 23, 2026
Last change-80vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
YSS $7.50 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. 6613300 2026-10-02: 290 OI2026-10-05: 362 OI2026-10-06: 379 OI2026-10-07: 390 OI2026-10-09: 621 OI2026-10-13: 622 OI2026-10-14: 657 OI2026-10-16: 626 OI2026-10-20: 661 OI2026-10-23: 581 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, 2026Viewing581-80
Oct 20, 2026661+35
Oct 16, 2026626-31
Oct 14, 2026657+35
Oct 13, 2026622+1
Oct 09, 2026621+231
Oct 07, 2026390+11
Oct 06, 2026379+17
Oct 05, 2026362+72
Oct 02, 2026290No prior observation