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Contract OI history

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Dec 17, 2027 EXPIRATION

ZTO $20.00 Put

ZTO271217P00020000

Latest saved OI114Oct 23, 2026
Last change0vs previous saved observation
Saved market days5Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTO $20.00 put open interest history 5 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 114570 2026-10-13: 57 OI2026-10-14: 57 OI2026-10-16: 57 OI2026-10-20: 114 OI2026-10-23: 114 OI Oct 13, 2026Oct 23, 2026

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

ZTO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1140
Oct 20, 2026114+57
Oct 16, 2026570
Oct 14, 2026570
Oct 13, 202657No prior observation