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Contract OI history

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Dec 18, 2026 EXPIRATION

ZD $20.00 Put

ZD261218P00020000

Latest saved OI316Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ZD $20.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3161580 2026-10-08: 316 OI2026-10-09: 316 OI2026-10-13: 316 OI2026-10-14: 316 OI2026-10-16: 316 OI2026-10-20: 316 OI2026-10-23: 316 OI Oct 08, 2026Oct 23, 2026

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

ZD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20263160
Oct 20, 2026Viewing3160
Oct 16, 20263160
Oct 14, 20263160
Oct 13, 20263160
Oct 09, 20263160
Oct 08, 2026316No prior observation