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Contract OI history

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Nov 20, 2026 EXPIRATION

NTRA $380.00 Put

NTRA261120P00380000

Latest saved OI857Oct 23, 2026
Last change+11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTRA $380.00 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. 8574280 2026-10-09: 374 OI2026-10-13: 374 OI2026-10-14: 474 OI2026-10-15: 774 OI2026-10-16: 777 OI2026-10-21: 846 OI2026-10-23: 857 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, 2026857+11
Oct 21, 2026Viewing846+69
Oct 16, 2026777+3
Oct 15, 2026774+300
Oct 14, 2026474+100
Oct 13, 20263740
Oct 09, 2026374No prior observation