What if you'd held NWE?
A $1,000 investment in NorthWestern Energy Group, Inc. (NWE) at the month-end close of 2007-12 would be worth $5,330 at the close of 2026-09 — +433.0% total return, dividends reinvested. The same $1,000 in the S&P 500, dividends reinvested, would be worth $7,501.
Your scenario
Result
If you'd bought $1,000 at the start of each year
Value of $1,000 invested on January 1 of each year, held to 2026-09, dividends included.
Every year, $1,000 from 2007
| Year | Value of $1,000 | Year return |
|---|---|---|
| 2007 | $1,000 | — |
| 2008 | $840 | -16.0% |
| 2009 | $989 | +17.7% |
| 2010 | $1,151 | +16.5% |
| 2011 | $1,496 | +30.0% |
| 2012 | $1,514 | +1.2% |
| 2013 | $1,959 | +29.5% |
| 2014 | $2,645 | +35.0% |
| 2015 | $2,633 | -0.5% |
| 2016 | $2,855 | +8.4% |
| 2017 | $3,105 | +8.8% |
| 2018 | $3,215 | +3.5% |
| 2019 | $4,002 | +24.5% |
| 2020 | $3,395 | -15.1% |
| 2021 | $3,467 | +2.1% |
| 2022 | $3,761 | +8.5% |
| 2023 | $3,380 | -10.1% |
| 2024 | $3,736 | +10.5% |
| 2025 | $4,721 | +26.4% |
| 2026 | $5,330 | +12.9% |
Best and worst month-end to buy
The best single month-end close to have bought NWE was 2008-10 ($9.14): $1,000 then is $7,744 today. The worst was 2026-04 ($70.99): $1,000 then is $997.
FAQ
What would $1,000 in NWE be worth today?
A $1,000 investment in NorthWestern Energy Group, Inc. (NWE) at the start of 2007 would be worth about $5,330 today, a total return of +433.0%. Dividends are reinvested in these figures.
What were the best and worst years for NWE?
NorthWestern Energy Group, Inc. (NWE)'s strongest calendar year since 2007 was 2014, a +35.0% return — $1,000 held through that year became about $1,350 by year-end. Its weakest year was 2008, at -16.0%.
Does the calculator include dividends and splits?
Yes where available. Prices are adjusted for both stock splits and reinvested dividends (total return), the same measure brokerages use.
How much would $100 per month in NWE have grown?
Investing $100 at the end of every month since 2007-12 would have grown to about $59,249 on $22,600 invested.
Did NWE beat the S&P 500?
Over the same period, $1,000 in the S&P 500 with dividends reinvested (the S&P 500 Total Return index) would be worth $7,501. NWE trailed the S&P 500 by +28.9% in total return.
Is this investment advice?
No. Wall Street Regrets is an entertainment and education tool. Every number is a historical calculation, not a prediction, and past performance never guarantees future results.
Methodology
NorthWestern Energy Group, Inc. (NWE) historical total-return data from 2007-12 to 2026-09, reduced to month-end closes for the tables above.
Returns use adjusted close prices — adjusted for stock splits and reinvested dividends, the same convention used by major brokerages. End-of-day and live prices come from EODHD; parts of the deep historical series are carried over from Yahoo Finance data. A "year" scenario invests $1,000 at the prior December's month-end close and values it at the latest available month-end close. Non-USD amounts are converted at historical month-end exchange rates (EODHD): to USD on the buy date and back to your currency at the latest rate, so the return reflects the currency move as well as the asset.
Month-end resolution means intra-month extremes are not captured in tables; the calculator uses exact trading-day closes where daily data is available. Figures ignore taxes, fees, and the currency effects of non-USD listings. History is not a forecast. Wall Street Regrets is entertainment, not investment advice.
What if you'd held…
Data: adjusted close prices via EODHD and Yahoo Finance. As of 2026-09-04. Not financial advice.