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Contract OI history

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Dec 18, 2026 EXPIRATION

NTAP $175.00 Put

NTAP261218P00175000

Latest saved OI236Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTAP $175.00 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. 2371180 2026-10-09: 235 OI2026-10-13: 235 OI2026-10-14: 235 OI2026-10-15: 235 OI2026-10-16: 237 OI2026-10-21: 236 OI2026-10-23: 236 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, 2026Viewing2360
Oct 21, 2026236-1
Oct 16, 2026237+2
Oct 15, 20262350
Oct 14, 20262350
Oct 13, 20262350
Oct 09, 2026235No prior observation