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Contract OI history

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Nov 20, 2026 EXPIRATION

NTAP $230.00 Put

NTAP261120P00230000

Latest saved OI232Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTAP $230.00 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. 2481240 2026-10-09: 62 OI2026-10-13: 248 OI2026-10-14: 248 OI2026-10-15: 233 OI2026-10-16: 235 OI2026-10-21: 232 OI2026-10-23: 232 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, 2026Viewing2320
Oct 21, 2026232-3
Oct 16, 2026235+2
Oct 15, 2026233-15
Oct 14, 20262480
Oct 13, 2026248+186
Oct 09, 202662No prior observation