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Contract OI history

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Nov 20, 2026 EXPIRATION

NTAP $195.00 Put

NTAP261120P00195000

Latest saved OI390Oct 23, 2026
Last change+89vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTAP $195.00 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. 3901950 2026-10-09: 173 OI2026-10-13: 171 OI2026-10-14: 171 OI2026-10-15: 172 OI2026-10-16: 200 OI2026-10-21: 301 OI2026-10-23: 390 OI Oct 09, 2026Oct 23, 2026

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

NTAP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing390+89
Oct 21, 2026301+101
Oct 16, 2026200+28
Oct 15, 2026172+1
Oct 14, 20261710
Oct 13, 2026171-2
Oct 09, 2026173No prior observation