Contract OI history

Back to ZM

Nov 20, 2026 EXPIRATION

ZM $87.50 Put

ZM261120P00087500

Latest saved OI1,250Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $87.50 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. 2,2231,1110 2026-10-09: 2,223 OI2026-10-13: 1,493 OI2026-10-14: 1,493 OI2026-10-15: 1,248 OI2026-10-16: 1,248 OI2026-10-21: 1,245 OI2026-10-23: 1,250 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, 20261,250+5
Oct 21, 2026Viewing1,245-3
Oct 16, 20261,2480
Oct 15, 20261,248-245
Oct 14, 20261,4930
Oct 13, 20261,493-730
Oct 09, 20262,223No prior observation