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Contract OI history

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Nov 20, 2026 EXPIRATION

NTAP $185.00 Put

NTAP261120P00185000

Latest saved OI540Oct 23, 2026
Last change+34vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTAP $185.00 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. 5402700 2026-10-09: 482 OI2026-10-13: 465 OI2026-10-14: 465 OI2026-10-15: 465 OI2026-10-16: 466 OI2026-10-21: 506 OI2026-10-23: 540 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, 2026Viewing540+34
Oct 21, 2026506+40
Oct 16, 2026466+1
Oct 15, 20264650
Oct 14, 20264650
Oct 13, 2026465-17
Oct 09, 2026482No prior observation