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Contract OI history

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Dec 18, 2026 EXPIRATION

NTAP $185.00 Put

NTAP261218P00185000

Latest saved OI148Oct 23, 2026
Last change+6vs 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. 148740 2026-10-09: 119 OI2026-10-13: 129 OI2026-10-14: 129 OI2026-10-15: 131 OI2026-10-16: 131 OI2026-10-21: 142 OI2026-10-23: 148 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, 2026Viewing148+6
Oct 21, 2026142+11
Oct 16, 20261310
Oct 15, 2026131+2
Oct 14, 20261290
Oct 13, 2026129+10
Oct 09, 2026119No prior observation