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Contract OI history

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Jan 21, 2028 EXPIRATION

ZM $115.00 Put

ZM280121P00115000

Latest saved OI493Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $115.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4952470 2026-10-09: 495 OI2026-10-13: 495 OI2026-10-14: 495 OI2026-10-15: 495 OI2026-10-16: 495 OI2026-10-21: 493 OI2026-10-23: 493 OI Oct 09, 2026Oct 23, 2026

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

ZM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4930
Oct 21, 2026493-2
Oct 16, 20264950
Oct 15, 20264950
Oct 14, 20264950
Oct 13, 20264950
Oct 09, 2026495No prior observation