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Contract OI history

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Apr 16, 2027 EXPIRATION

NTRA $420.00 Put

NTRA270416P00420000

Latest saved OI250Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTRA $420.00 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. 2501250 2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 250 OI2026-10-15: 250 OI2026-10-16: 250 OI2026-10-21: 250 OI2026-10-23: 250 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, 20262500
Oct 21, 2026Viewing2500
Oct 16, 20262500
Oct 15, 20262500
Oct 14, 2026250+250
Oct 13, 202600
Oct 09, 20260No prior observation