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Contract OI history

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Dec 17, 2027 EXPIRATION

YSS $15.00 Put

YSS271217P00015000

Latest saved OI356Oct 23, 2026
Last change+30vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
YSS $15.00 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. 3561780 2026-10-02: 7 OI2026-10-05: 7 OI2026-10-06: 7 OI2026-10-07: 7 OI2026-10-09: 7 OI2026-10-13: 7 OI2026-10-14: 7 OI2026-10-16: 7 OI2026-10-20: 326 OI2026-10-23: 356 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, 2026Viewing356+30
Oct 20, 2026326+319
Oct 16, 202670
Oct 14, 202670
Oct 13, 202670
Oct 09, 202670
Oct 07, 202670
Oct 06, 202670
Oct 05, 202670
Oct 02, 20267No prior observation