OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

NAT $4.00 Put

NAT270115P00004000

Latest saved OI495Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NAT $4.00 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. 4952470 2026-10-02: 495 OI2026-10-05: 495 OI2026-10-06: 495 OI2026-10-07: 495 OI2026-10-08: 495 OI2026-10-09: 495 OI2026-10-13: 495 OI2026-10-14: 495 OI2026-10-15: 495 OI2026-10-16: 495 OI2026-10-21: 495 OI2026-10-23: 495 OI Oct 02, 2026Oct 23, 2026

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

NAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4950
Oct 21, 20264950
Oct 16, 20264950
Oct 15, 20264950
Oct 14, 20264950
Oct 13, 20264950
Oct 09, 20264950
Oct 08, 20264950
Oct 07, 20264950
Oct 06, 20264950
Oct 05, 20264950
Oct 02, 2026495No prior observation