OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

NAT $8.00 Put

NAT261120P00008000

Latest saved OI4,954Oct 23, 2026
Last change+3,218vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NAT $8.00 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. 4,9542,4770 2026-10-02: 285 OI2026-10-05: 307 OI2026-10-06: 403 OI2026-10-07: 416 OI2026-10-08: 501 OI2026-10-09: 681 OI2026-10-13: 1,139 OI2026-10-14: 1,205 OI2026-10-15: 1,296 OI2026-10-16: 1,534 OI2026-10-21: 1,736 OI2026-10-23: 4,954 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, 2026Viewing4,954+3,218
Oct 21, 20261,736+202
Oct 16, 20261,534+238
Oct 15, 20261,296+91
Oct 14, 20261,205+66
Oct 13, 20261,139+458
Oct 09, 2026681+180
Oct 08, 2026501+85
Oct 07, 2026416+13
Oct 06, 2026403+96
Oct 05, 2026307+22
Oct 02, 2026285No prior observation