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Contract OI history

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Dec 18, 2026 EXPIRATION

NTAP $190.00 Call

NTAP261218C00190000

Latest saved OI414Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTAP $190.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4212100 2026-10-09: 421 OI2026-10-13: 419 OI2026-10-14: 419 OI2026-10-15: 419 OI2026-10-16: 418 OI2026-10-21: 418 OI2026-10-23: 414 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, 2026Viewing414-4
Oct 21, 20264180
Oct 16, 2026418-1
Oct 15, 20264190
Oct 14, 20264190
Oct 13, 2026419-2
Oct 09, 2026421No prior observation