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Contract OI history

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Jan 15, 2027 EXPIRATION

NTAP $175.00 Put

NTAP270115P00175000

Latest saved OI42Oct 23, 2026
Last change+9vs 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. 42210 2026-10-09: 32 OI2026-10-13: 32 OI2026-10-14: 32 OI2026-10-15: 33 OI2026-10-16: 33 OI2026-10-21: 33 OI2026-10-23: 42 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, 2026Viewing42+9
Oct 21, 2026330
Oct 16, 2026330
Oct 15, 202633+1
Oct 14, 2026320
Oct 13, 2026320
Oct 09, 202632No prior observation