NRG Open Interest
NRG Energy Inc (NRG) had 211.56K open option contracts as of Nov 4, 2026: 127.12K calls and 84.44K puts. Open interest rose 42.7% over the past four weeks, and is NRG's highest level in 12 weeks. The put/call open interest ratio is 0.66, so calls outnumber puts.
Open Interest by Strike
Showing results for NRG, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for NRG, 2026-11-06(w), calls & puts
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Highest Open Interest Options
Showing results for NRG, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for NRG, 2026-11-06(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for NRG, all expirations, calls & puts. View full history
NRG Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does NRG have?
NRG Energy had 211.56K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 182.97K contracts.
Is NRG open interest rising or falling?
Open interest rose 42.7% over the past four weeks, and is NRG's highest level in 12 weeks. It was 148.3K contracts on Oct 7, 2026. See the NRG open interest history for a longer view.
What is the NRG put/call open interest ratio?
The NRG Energy put/call open interest ratio was 0.66 as of Nov 4, 2026. Four weeks earlier it was 0.63.
What is NRG Energy Inc?
NRG Energy is one of the largest retail energy providers in the US, with 6 million customers.