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Contract OI history

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Nov 20, 2026 EXPIRATION

NTAP $200.00 Put

NTAP261120P00200000

Latest saved OI724Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTAP $200.00 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. 7253620 2026-10-09: 482 OI2026-10-13: 621 OI2026-10-14: 621 OI2026-10-15: 633 OI2026-10-16: 709 OI2026-10-21: 725 OI2026-10-23: 724 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, 2026Viewing724-1
Oct 21, 2026725+16
Oct 16, 2026709+76
Oct 15, 2026633+12
Oct 14, 20266210
Oct 13, 2026621+139
Oct 09, 2026482No prior observation