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Contract OI history

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Nov 20, 2026 EXPIRATION

NTRA $390.00 Put

NTRA261120P00390000

Latest saved OI204Oct 23, 2026
Last change+60vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTRA $390.00 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. 2271130 2026-10-09: 128 OI2026-10-13: 124 OI2026-10-14: 224 OI2026-10-15: 224 OI2026-10-16: 227 OI2026-10-21: 144 OI2026-10-23: 204 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

NTRA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026204+60
Oct 21, 2026Viewing144-83
Oct 16, 2026227+3
Oct 15, 20262240
Oct 14, 2026224+100
Oct 13, 2026124-4
Oct 09, 2026128No prior observation