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Contract OI history

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Nov 20, 2026 EXPIRATION

NTAP $210.00 Put

NTAP261120P00210000

Latest saved OI392Oct 23, 2026
Last change+33vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTAP $210.00 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. 3921960 2026-10-09: 152 OI2026-10-13: 172 OI2026-10-14: 172 OI2026-10-15: 155 OI2026-10-16: 353 OI2026-10-21: 359 OI2026-10-23: 392 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, 2026Viewing392+33
Oct 21, 2026359+6
Oct 16, 2026353+198
Oct 15, 2026155-17
Oct 14, 20261720
Oct 13, 2026172+20
Oct 09, 2026152No prior observation