OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

NAT $5.00 Put

NAT280121P00005000

Latest saved OI1,883Oct 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 $5.00 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. 1,8839410 2026-10-02: 1,596 OI2026-10-05: 1,596 OI2026-10-06: 1,596 OI2026-10-07: 1,596 OI2026-10-08: 1,598 OI2026-10-09: 1,859 OI2026-10-13: 1,859 OI2026-10-14: 1,859 OI2026-10-15: 1,869 OI2026-10-16: 1,883 OI2026-10-21: 1,883 OI2026-10-23: 1,883 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, 2026Viewing1,8830
Oct 21, 20261,8830
Oct 16, 20261,883+14
Oct 15, 20261,869+10
Oct 14, 20261,8590
Oct 13, 20261,8590
Oct 09, 20261,859+261
Oct 08, 20261,598+2
Oct 07, 20261,5960
Oct 06, 20261,5960
Oct 05, 20261,5960
Oct 02, 20261,596No prior observation