Wall Street RegretsThe regret calculator.

What if you'd held HYLN?

A $1,000 investment in Hyliion Holdings Corp. Class A (HYLN) at the month-end close of 2020-01 would be worth $366 at the close of 2026-08 — -63.4% total return, dividends reinvested. The same $1,000 in the S&P 500 would be worth $2,390.

$1,000 since 2020$366Total return-63.4%Multiple0.37×CAGR-14.2%

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$366Gain+$-634 (-63.4%)Multiple0.4×CAGR-14.2%

    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.

    2020$3662021$2232022$5922023$1,5682024$4,5092025$1,4062026$1,995

    Every year, $1,000 from 2020

    YearValue of $1,000Year return
    2020$1,000
    2021$376-62.4%
    2022$142-62.3%
    2023$49.39-65.2%
    2024$158+220.6%
    2025$112-29.5%
    2026$223+99.5%

    Best and worst month-end to buy

    The best single month-end close to have bought HYLN was 2023-11 ($0.57): $1,000 then is $6,450 today. The worst was 2020-09 ($49.83): $1,000 then is $73.65.

    FAQ

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

    A $1,000 investment in Hyliion Holdings Corp. Class A (HYLN) at the start of 2020 would be worth about $366 today, a total return of -63.4%. Dividends are reinvested in these figures.

    What were the best and worst years for HYLN?

    Hyliion Holdings Corp. Class A (HYLN)'s strongest calendar year since 2020 was 2024, a +220.6% return — $1,000 held through that year became about $3,206 by year-end. Its weakest year was 2023, at -65.2%.

    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 HYLN have grown?

    Investing $100 at the end of every month since 2020-01 would have grown to about $11,810 on $8,000 invested.

    Did HYLN beat the S&P 500?

    Over the same period, $1,000 in the S&P 500 index would be worth $2,390. HYLN trailed the S&P 500 by +84.7% 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

    Hyliion Holdings Corp. Class A (HYLN) historical total-return data from 2020-01 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.