OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

NAT $8.00 Put

NAT270115P00008000

Latest saved OI1,113Oct 23, 2026
Last change+6vs 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. 1,1135560 2026-10-02: 1,035 OI2026-10-05: 1,069 OI2026-10-06: 1,079 OI2026-10-07: 1,081 OI2026-10-08: 1,086 OI2026-10-09: 1,090 OI2026-10-13: 1,094 OI2026-10-14: 1,096 OI2026-10-15: 1,096 OI2026-10-16: 1,111 OI2026-10-21: 1,107 OI2026-10-23: 1,113 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, 2026Viewing1,113+6
Oct 21, 20261,107-4
Oct 16, 20261,111+15
Oct 15, 20261,0960
Oct 14, 20261,096+2
Oct 13, 20261,094+4
Oct 09, 20261,090+4
Oct 08, 20261,086+5
Oct 07, 20261,081+2
Oct 06, 20261,079+10
Oct 05, 20261,069+34
Oct 02, 20261,035No prior observation