Wall Street RegretsThe regret calculator.

What if you'd held MYSE?

A $1,000 investment in Myseum.AI, Inc. (MYSE) at the month-end close of 2021-08 would be worth $35.96 at the close of 2026-08 — -96.4% total return, dividends reinvested. The same $1,000 in the S&P 500 would be worth $1,704.

$1,000 since 2021$35.96Total return-96.4%Multiple0.04×CAGR-48.6%

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$35.96Gain+$-964 (-96.4%)Multiple0.0×CAGR-48.6%

    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.

    2021$35.962022$90.432023$1,1092024$9552025$1,5392026$1,602

    Every year, $1,000 from 2021

    YearValue of $1,000Year return
    2021$1,000
    2022$81.52-91.8%
    2023$94.72+16.2%
    2024$58.75-38.0%
    2025$56.44-3.9%
    2026$90.43+60.2%

    Best and worst month-end to buy

    The best single month-end close to have bought MYSE was 2024-06 ($1.12): $1,000 then is $2,446 today. The worst was 2021-09 ($137): $1,000 then is $20.07.

    FAQ

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

    A $1,000 investment in Myseum.AI, Inc. (MYSE) at the start of 2021 would be worth about $35.96 today, a total return of -96.4%. Dividends are reinvested in these figures.

    What were the best and worst years for MYSE?

    Myseum.AI, Inc. (MYSE)'s strongest calendar year since 2021 was 2026, a +60.2% return — $1,000 held through that year became about $1,602 by year-end. Its weakest year was 2022, at -91.8%.

    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 MYSE have grown?

    Investing $100 at the end of every month since 2021-08 would have grown to about $6,142 on $6,100 invested.

    Did MYSE beat the S&P 500?

    Over the same period, $1,000 in the S&P 500 index would be worth $1,704. MYSE trailed the S&P 500 by +97.9% 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

    Myseum.AI, Inc. (MYSE) historical total-return data from 2021-08 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.