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Contract OI history

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Nov 20, 2026 EXPIRATION

NDSN $340.00 Call

NDSN261120C00340000

Latest saved OI383Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NDSN $340.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3831910 2026-10-09: 375 OI2026-10-13: 375 OI2026-10-14: 375 OI2026-10-15: 375 OI2026-10-16: 375 OI2026-10-21: 381 OI2026-10-23: 383 OI Oct 09, 2026Oct 23, 2026

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

NDSN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing383+2
Oct 21, 2026381+6
Oct 16, 20263750
Oct 15, 20263750
Oct 14, 20263750
Oct 13, 20263750
Oct 09, 2026375No prior observation