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Contract OI history

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Nov 20, 2026 EXPIRATION

ZENA $2.00 Put

ZENA261120P00002000

Latest saved OI227Oct 23, 2026
Last change-15vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ZENA $2.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2521260 2026-10-08: 252 OI2026-10-09: 250 OI2026-10-13: 250 OI2026-10-14: 250 OI2026-10-15: 251 OI2026-10-16: 242 OI2026-10-20: 242 OI2026-10-23: 227 OI Oct 08, 2026Oct 23, 2026

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

ZENA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing227-15
Oct 20, 20262420
Oct 16, 2026242-9
Oct 15, 2026251+1
Oct 14, 20262500
Oct 13, 20262500
Oct 09, 2026250-2
Oct 08, 2026252No prior observation