NRG ENERGY, INC. (NRG) Open Interest

NRG ENERGY, INC. (NRG) has 78,243 call contracts and 36,898 put contracts open across all listed expirations — a put/call open interest ratio of 0.47. Open interest counts the contracts currently outstanding at each strike. This page shows where NRG positioning concentrates, which strikes act as walls, and how the totals have trended over the past year.

Data as of Jul 10, 2026, 8:00 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.

Last close
$139.20
52-week range
$121.59 – $184.08
ATM IV (30d)
44.6%
IV rank
56 / 100
Moderate
Expected move
±$8.59 (±6.2%)
Put/call OI
0.47
Call-heavy
Max pain
$140
↑ 0.6% above close
Next earnings
Aug 5, 2026

NRG Open Interest by Strike

06.3K12.7K19KSpotMax painCall wallPut wall105117125132137142147155

NRG open interest by strike, all expirations combined — calls in green, puts in red.

Total call open interest78,243
Total put open interest36,898
Put/call OI ratio0.47
Open interest rank (31 day)95 / 100
Call wall (largest call OI)$160
Put wall (largest put OI)$140
Top volume strike$180
Volume / OI ratio0.08

NRG Open Interest Trend

6.7K26.6K46.5K66.3K86.2KCall OIPut OIFeb '26May '26Jul '26

NRG total call vs. put open interest, past year.

0.310.731.151.571.99Feb '26May '26Jul '26

NRG put/call open interest ratio, past year.

A put/call open interest ratio of 0.47 means meaningfully more calls than puts are outstanding — a call-heavy, typically bullish positioning profile. In total, 78,243 call contracts and 36,898 put contracts are open across all listed expirations. The put/call OI ratio has fallen from 0.72 in Feb '26 to 0.47 today.

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NRG Options FAQ

What is NRG's put/call ratio?

NRG's put/call open interest ratio is 0.47 as of Jul 10, 2026, with 36,898 put contracts and 78,243 call contracts outstanding.

Which NRG strikes have the highest open interest?

As of Jul 10, 2026, the largest call open interest sits at $160 (the call wall) and the largest put open interest sits at $140 (the put wall). Strikes with heavy open interest often act as reference levels because a lot of hedging activity is anchored to them.

Is NRG open interest unusually high right now?

NRG's total open interest ranks 95 out of 100 versus the past 31 trading days as of Jul 10, 2026 — toward the top of its recent range, so positioning is unusually heavy.

Methodology. IV rank compares the current 30-day at-the-money implied volatility with its highest and lowest values over the past 52 weeks. Max pain is the strike that minimizes the total payout to option holders at expiration. The call and put walls are the strikes carrying the largest call and put open interest across all expirations. Net gamma exposure (GEX) is measured from the dealer perspective. All statistics are derived from delayed OPRA options data.

Options trading involves significant risk, and losses can exceed your initial investment. Always consult a licensed financial professional before making investment decisions. OptiView does not provide financial advice; all figures on this page are descriptive statistics, not recommendations.