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Contract OI history

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Nov 20, 2026 EXPIRATION

NSC $330.00 Call

NSC261120C00330000

Latest saved OI521Oct 23, 2026
Last change-41vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NSC $330.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5662830 2026-10-02: 545 OI2026-10-05: 550 OI2026-10-06: 553 OI2026-10-07: 556 OI2026-10-08: 560 OI2026-10-09: 560 OI2026-10-13: 565 OI2026-10-14: 566 OI2026-10-15: 565 OI2026-10-16: 564 OI2026-10-21: 562 OI2026-10-23: 521 OI Oct 02, 2026Oct 23, 2026

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

NSC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing521-41
Oct 21, 2026562-2
Oct 16, 2026564-1
Oct 15, 2026565-1
Oct 14, 2026566+1
Oct 13, 2026565+5
Oct 09, 20265600
Oct 08, 2026560+4
Oct 07, 2026556+3
Oct 06, 2026553+3
Oct 05, 2026550+5
Oct 02, 2026545No prior observation