OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

NAT $4.50 Put

NAT270115P00004500

Latest saved OI1,656Oct 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 $4.50 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. 1,6568280 2026-10-02: 1,656 OI2026-10-05: 1,656 OI2026-10-06: 1,656 OI2026-10-07: 1,656 OI2026-10-08: 1,656 OI2026-10-09: 1,656 OI2026-10-13: 1,656 OI2026-10-14: 1,656 OI2026-10-15: 1,656 OI2026-10-16: 1,656 OI2026-10-21: 1,656 OI2026-10-23: 1,656 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, 2026Viewing1,6560
Oct 21, 20261,6560
Oct 16, 20261,6560
Oct 15, 20261,6560
Oct 14, 20261,6560
Oct 13, 20261,6560
Oct 09, 20261,6560
Oct 08, 20261,6560
Oct 07, 20261,6560
Oct 06, 20261,6560
Oct 05, 20261,6560
Oct 02, 20261,656No prior observation