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Contract OI history

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Dec 18, 2026 EXPIRATION

NRG $50.00 Put

NRG261218P00050000

Latest saved OI497Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NRG $50.00 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. 5372680 2026-10-02: 537 OI2026-10-05: 537 OI2026-10-06: 537 OI2026-10-07: 537 OI2026-10-08: 537 OI2026-10-09: 537 OI2026-10-13: 537 OI2026-10-14: 537 OI2026-10-15: 497 OI2026-10-16: 497 OI2026-10-21: 497 OI2026-10-23: 497 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, 20264970
Oct 21, 2026Viewing4970
Oct 16, 20264970
Oct 15, 2026497-40
Oct 14, 20265370
Oct 13, 20265370
Oct 09, 20265370
Oct 08, 20265370
Oct 07, 20265370
Oct 06, 20265370
Oct 05, 20265370
Oct 02, 2026537No prior observation