OITracker Cboe delayed data

Contract OI history

Back to YSS

Dec 17, 2027 EXPIRATION

YSS $12.50 Call

YSS271217C00012500

Latest saved OI135Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
YSS $12.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 150750 2026-10-02: 149 OI2026-10-05: 149 OI2026-10-06: 150 OI2026-10-07: 150 OI2026-10-09: 150 OI2026-10-13: 135 OI2026-10-14: 135 OI2026-10-16: 135 OI2026-10-20: 135 OI2026-10-23: 135 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, 2026Viewing1350
Oct 20, 20261350
Oct 16, 20261350
Oct 14, 20261350
Oct 13, 2026135-15
Oct 09, 20261500
Oct 07, 20261500
Oct 06, 2026150+1
Oct 05, 20261490
Oct 02, 2026149No prior observation