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Contract OI history

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Nov 20, 2026 EXPIRATION

NTAP $250.00 Call

NTAP261120C00250000

Latest saved OI517Oct 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 $250.00 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. 5172580 2026-10-09: 342 OI2026-10-13: 385 OI2026-10-14: 385 OI2026-10-15: 377 OI2026-10-16: 477 OI2026-10-21: 508 OI2026-10-23: 517 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, 2026Viewing517+9
Oct 21, 2026508+31
Oct 16, 2026477+100
Oct 15, 2026377-8
Oct 14, 20263850
Oct 13, 2026385+43
Oct 09, 2026342No prior observation