OITracker Cboe delayed data

Contract OI history

Back to NRG

Jan 15, 2027 EXPIRATION

NRG $55.00 Put

NRG270115P00055000

Latest saved OI1,441Oct 23, 2026
Last change-177vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NRG $55.00 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. 1,6188090 2026-10-02: 1,618 OI2026-10-05: 1,618 OI2026-10-06: 1,618 OI2026-10-07: 1,618 OI2026-10-08: 1,618 OI2026-10-09: 1,618 OI2026-10-13: 1,618 OI2026-10-14: 1,618 OI2026-10-15: 1,618 OI2026-10-16: 1,618 OI2026-10-21: 1,618 OI2026-10-23: 1,441 OI Oct 02, 2026Oct 23, 2026

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

NRG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,441-177
Oct 21, 2026Viewing1,6180
Oct 16, 20261,6180
Oct 15, 20261,6180
Oct 14, 20261,6180
Oct 13, 20261,6180
Oct 09, 20261,6180
Oct 08, 20261,6180
Oct 07, 20261,6180
Oct 06, 20261,6180
Oct 05, 20261,6180
Oct 02, 20261,618No prior observation