If you invested $1000 in NRG Energy, Inc. (0K4C.L) since IPO date, it would be worth $5,906.6 as of August 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $2,975.57, while $1000 invested 1 year ago would be worth $782.86. This corresponds to total returns of 490.66%, 197.56%, -21.71%, respectively, with annualized returns of 22.95%, 24.37%, -21.71%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| August 21, 2026 | 118.55 | 114.47 | 114.47 | 118.55 | 114 | 1,091 |
| August 20, 2026 | 120.83 | 116.6 | 116.6 | 123.79 | 116.5 | 1,587 |
| August 19, 2026 | 116.1 | 117.53 | 117.53 | 118.8 | 115.94 | 1,708 |
| August 18, 2026 | 124.05 | 117.92 | 117.92 | 124.05 | 117.92 | 17,726 |
| August 17, 2026 | 124.01 | 123.32 | 123.32 | 127.54 | 121.52 | 1,442 |
| August 14, 2026 | 119.11 | 124.68 | 124.68 | 125.22 | 119.11 | 1,425 |
| August 13, 2026 | 124 | 120.41 | 120.41 | 124 | 117.98 | 2,955 |
| August 12, 2026 | 120.9 | 121.26 | 121.26 | 123.93 | 120.41 | 1,471 |
| August 11, 2026 | 122.4 | 120.61 | 120.61 | 122.55 | 118.74 | 709 |
| August 10, 2026 | 120.94 | 120.51 | 120.51 | 123 | 116.83 | 2,049 |
| August 07, 2026 | 123.5 | 121.64 | 121.64 | 123.5 | 118.5 | 1,303 |
| August 06, 2026 | 122 | 120.53 | 120.53 | 123.4 | 119.85 | 12,321 |
| August 05, 2026 | 120 | 122.11 | 122.11 | 124.7 | 118 | 3,276 |
| August 04, 2026 | 144 | 115.51 | 115.51 | 144 | 115.39 | 10,121 |
| August 03, 2026 | 133 | 139.79 | 139.79 | 140.5 | 131.88 | 1,833 |
| July 31, 2026 | 133.8 | 133.82 | 133.82 | 137.79 | 132.21 | 687 |
| July 30, 2026 | 125.99 | 133.19 | 133.19 | 135.5 | 125.76 | 5,682 |
| July 29, 2026 | 127 | 125.95 | 125.95 | 129.75 | 122.57 | 1,488 |
| July 28, 2026 | 136 | 128.09 | 128.09 | 136.5 | 127.16 | 2,850 |
| July 27, 2026 | 144.4 | 137.29 | 137.29 | 144.93 | 136.19 | 654 |
| July 23, 2026 | 136.39 | 139.95 | 139.95 | 140.86 | 136.39 | 447 |
| July 22, 2026 | 134.44 | 137 | 137 | 138.05 | 130.5 | 870 |
| July 21, 2026 | 133.1 | 133.65 | 133.65 | 133.99 | 130.5 | 93 |
| July 20, 2026 | 129.24 | 131.37 | 131.37 | 132 | 129.17 | 511 |
| July 17, 2026 | 130 | 129.98 | 129.98 | 132.61 | 128.64 | 1,246 |
| July 16, 2026 | 137.8 | 132.63 | 132.63 | 137.85 | 131.38 | 2,803 |
| July 15, 2026 | 138 | 137.48 | 137.48 | 143.52 | 136.9 | 743 |
| July 14, 2026 | 140.1 | 137.08 | 137.08 | 144.99 | 137.08 | 757 |
| July 13, 2026 | 139.98 | 138.98 | 138.98 | 143.75 | 137.41 | 502 |
| July 10, 2026 | 140 | 141.81 | 141.81 | 143.29 | 140 | 475 |
| July 09, 2026 | 140 | 142.21 | 142.21 | 143.26 | 137.5 | 579 |
| July 08, 2026 | 140 | 137.18 | 137.18 | 140 | 135.38 | 150 |
| July 07, 2026 | 140.3 | 138.7 | 138.7 | 144 | 136.22 | 427 |
| July 06, 2026 | 136.7 | 140.51 | 140.51 | 140.62 | 136.52 | 661 |
| July 02, 2026 | 140 | 137.22 | 137.22 | 145.85 | 135.64 | 504 |
| July 01, 2026 | 143.49 | 139.16 | 139.16 | 147.37 | 137.31 | 595 |
| June 30, 2026 | 147.56 | 146.9 | 146.9 | 151 | 146.9 | 1,072 |
| June 29, 2026 | 149 | 149.16 | 149.16 | 153.58 | 146.26 | 691 |
| June 26, 2026 | 146 | 146.45 | 146.45 | 148.58 | 143.44 | 694 |
| June 25, 2026 | 143.97 | 145.85 | 145.85 | 147.33 | 143 | 1,559 |
| June 24, 2026 | 136.98 | 141.42 | 141.42 | 142.9 | 136.98 | 3,090 |
| June 23, 2026 | 133.08 | 138.35 | 138.35 | 139.5 | 132.33 | 818 |
| June 22, 2026 | 135.24 | 138.12 | 138.12 | 138.12 | 133 | 650 |
| June 18, 2026 | 132.57 | 137.48 | 137.48 | 140.76 | 132.27 | 1,362 |
| June 17, 2026 | 132.38 | 134.18 | 134.18 | 136.33 | 132.38 | 255 |
| June 16, 2026 | 131.7 | 134.32 | 134.32 | 135.32 | 128.61 | 512 |
| June 15, 2026 | 127.39 | 130.74 | 130.74 | 131.06 | 126.68 | 746 |
| June 12, 2026 | 126 | 127.52 | 127.52 | 128.24 | 122.58 | 477 |
| June 11, 2026 | 121 | 123.45 | 123.45 | 123.82 | 118.84 | 652 |
| June 10, 2026 | 129.89 | 121.23 | 121.23 | 131.4 | 120.63 | 353 |
| June 09, 2026 | 127.97 | 128.27 | 128.27 | 131.52 | 125.61 | 641 |
| June 08, 2026 | 130.01 | 128.24 | 128.24 | 131.34 | 127.36 | 726 |
| June 05, 2026 | 132.55 | 129.29 | 129.29 | 136.65 | 128.89 | 189 |
| June 04, 2026 | 132.21 | 132.23 | 132.23 | 135.24 | 131.54 | 292 |
| June 03, 2026 | 133.02 | 134.71 | 134.71 | 137.5 | 132.2 | 1,845 |
| June 02, 2026 | 128.83 | 133.97 | 133.97 | 136.11 | 128.83 | 1,436 |
| June 01, 2026 | 133.03 | 130.86 | 130.86 | 137.18 | 127.29 | 727 |
| May 29, 2026 | 137.39 | 135.28 | 135.28 | 139 | 134.68 | 800 |
| May 28, 2026 | 138.05 | 138.05 | 138.05 | 138.9 | 132.67 | 4,426 |
| May 27, 2026 | 140.51 | 137.89 | 137.89 | 142 | 136.11 | 528 |