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Contract OI history

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Dec 18, 2026 EXPIRATION

NRG $80.00 Put

NRG261218P00080000

Latest saved OI213Oct 23, 2026
Last change+69vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NRG $80.00 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. 2131060 2026-10-02: 73 OI2026-10-05: 85 OI2026-10-06: 122 OI2026-10-07: 125 OI2026-10-08: 125 OI2026-10-09: 126 OI2026-10-13: 126 OI2026-10-14: 126 OI2026-10-15: 140 OI2026-10-16: 140 OI2026-10-21: 144 OI2026-10-23: 213 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, 2026213+69
Oct 21, 2026Viewing144+4
Oct 16, 20261400
Oct 15, 2026140+14
Oct 14, 20261260
Oct 13, 20261260
Oct 09, 2026126+1
Oct 08, 20261250
Oct 07, 2026125+3
Oct 06, 2026122+37
Oct 05, 202685+12
Oct 02, 202673No prior observation