OITracker Cboe delayed data

Contract OI history

Back to NSC

Mar 19, 2027 EXPIRATION

NSC $280.00 Put

NSC270319P00280000

Latest saved OI460Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NSC $280.00 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. 4602300 2026-10-02: 455 OI2026-10-05: 455 OI2026-10-06: 455 OI2026-10-07: 455 OI2026-10-08: 455 OI2026-10-09: 455 OI2026-10-13: 455 OI2026-10-14: 455 OI2026-10-15: 455 OI2026-10-16: 455 OI2026-10-21: 460 OI2026-10-23: 460 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, 2026Viewing4600
Oct 21, 2026460+5
Oct 16, 20264550
Oct 15, 20264550
Oct 14, 20264550
Oct 13, 20264550
Oct 09, 20264550
Oct 08, 20264550
Oct 07, 20264550
Oct 06, 20264550
Oct 05, 20264550
Oct 02, 2026455No prior observation