Wall Street RegretsThe regret calculator.

What if you'd held MG?

A $1,000 investment in Mistras Group Inc (MG) at the month-end close of 2009-10 would be worth $1,683 at the close of 2026-08 — +68.3% total return, dividends reinvested. The same $1,000 in the S&P 500 would be worth $7,439.

$1,000 since 2009$1,683Total return+68.3%Multiple1.7×CAGR+3.1%

Your scenario

Dates resolve to the nearest month-end close.
Leave empty for "held until today".
Invested at each month-end. Starts on the buy date.

Result

Worth$1,683Gain+$683 (+68.3%)Multiple1.7×CAGR+3.1%

    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 2026-08, dividends included.

    2009$1,6832010$1,2922011$1,4432012$7632013$7882014$9322015$1,0612016$1,0192017$7572018$8292019$1,3532020$1,3632021$2,5062022$2,6182023$3,9452024$2,6572025$2,1472026$1,538

    Every year, $1,000 from 2009

    YearValue of $1,000Year return
    2009$1,000
    2010$895-10.5%
    2011$1,693+89.1%
    2012$1,639-3.1%
    2013$1,386-15.4%
    2014$1,217-12.2%
    2015$1,268+4.1%
    2016$1,705+34.5%
    2017$1,558-8.6%
    2018$955-38.7%
    2019$948-0.8%
    2020$515-45.6%
    2021$493-4.3%
    2022$327-33.6%
    2023$486+48.5%
    2024$602+23.8%
    2025$840+39.6%
    2026$1,292+53.8%

    Best and worst month-end to buy

    The best single month-end close to have bought MG was 2020-07 ($3.53): $1,000 then is $5,510 today. The worst was 2012-06 ($26.28): $1,000 then is $740.

    FAQ

    What would $1,000 in MG be worth today?

    A $1,000 investment in Mistras Group Inc (MG) at the start of 2009 would be worth about $1,683 today, a total return of +68.3%. Dividends are reinvested in these figures.

    What were the best and worst years for MG?

    Mistras Group Inc (MG)'s strongest calendar year since 2009 was 2011, a +89.1% return — $1,000 held through that year became about $1,891 by year-end. Its weakest year was 2020, at -45.6%.

    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 MG have grown?

    Investing $100 at the end of every month since 2009-10 would have grown to about $34,582 on $20,300 invested.

    Did MG beat the S&P 500?

    Over the same period, $1,000 in the S&P 500 index would be worth $7,439. MG trailed the S&P 500 by +77.4% 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

    Mistras Group Inc (MG) historical total-return data from 2009-10 to 2026-08, reduced to month-end closes for the tables above.

    Returns use adjusted close prices from Yahoo Finance historical data — adjusted for stock splits and reinvested dividends — the same convention used by major brokerages. 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 (Yahoo Finance): 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.

    Full methodology →

    What if you'd held…

    Data: adjusted close prices via Yahoo Finance. As of 2026-08. Not financial advice.