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Contract OI history

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Nov 20, 2026 EXPIRATION

NTRA $350.00 Put

NTRA261120P00350000

Latest saved OI245Oct 23, 2026
Last change-20vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTRA $350.00 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. 2741370 2026-10-09: 258 OI2026-10-13: 267 OI2026-10-14: 274 OI2026-10-15: 273 OI2026-10-16: 270 OI2026-10-21: 265 OI2026-10-23: 245 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, 2026245-20
Oct 21, 2026Viewing265-5
Oct 16, 2026270-3
Oct 15, 2026273-1
Oct 14, 2026274+7
Oct 13, 2026267+9
Oct 09, 2026258No prior observation