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Contract OI history

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Dec 18, 2026 EXPIRATION

YSS $5.00 Put

YSS261218P00005000

Latest saved OI260Oct 23, 2026
Last change+6vs 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. 2931460 2026-10-02: 254 OI2026-10-05: 254 OI2026-10-06: 256 OI2026-10-07: 256 OI2026-10-09: 276 OI2026-10-13: 293 OI2026-10-14: 246 OI2026-10-16: 253 OI2026-10-20: 254 OI2026-10-23: 260 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, 2026Viewing260+6
Oct 20, 2026254+1
Oct 16, 2026253+7
Oct 14, 2026246-47
Oct 13, 2026293+17
Oct 09, 2026276+20
Oct 07, 20262560
Oct 06, 2026256+2
Oct 05, 20262540
Oct 02, 2026254No prior observation