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Contract OI history

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Dec 18, 2026 EXPIRATION

NOC $500.00 Put

NOC261218P00500000

Latest saved OI39Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOC $500.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 50250 2026-10-02: 38 OI2026-10-05: 37 OI2026-10-06: 45 OI2026-10-07: 45 OI2026-10-08: 45 OI2026-10-09: 45 OI2026-10-13: 46 OI2026-10-14: 46 OI2026-10-15: 46 OI2026-10-16: 50 OI2026-10-21: 40 OI2026-10-23: 39 OI Oct 02, 2026Oct 23, 2026

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

NOC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202639-1
Oct 21, 2026Viewing40-10
Oct 16, 202650+4
Oct 15, 2026460
Oct 14, 2026460
Oct 13, 202646+1
Oct 09, 2026450
Oct 08, 2026450
Oct 07, 2026450
Oct 06, 202645+8
Oct 05, 202637-1
Oct 02, 202638No prior observation