OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

ZM $72.50 Put

ZM280121P00072500

Latest saved OI1,085Oct 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 $72.50 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. 1,0895440 2026-10-09: 1,089 OI2026-10-13: 1,084 OI2026-10-14: 1,084 OI2026-10-15: 1,084 OI2026-10-16: 1,084 OI2026-10-21: 1,085 OI2026-10-23: 1,085 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, 2026Viewing1,0850
Oct 21, 20261,085+1
Oct 16, 20261,0840
Oct 15, 20261,0840
Oct 14, 20261,0840
Oct 13, 20261,084-5
Oct 09, 20261,089No prior observation