Wall Street RegretsThe regret calculator.

What if you'd held PRQR?

A $1,000 investment in ProQR Therapeutics N.V. (PRQR) at the month-end close of 2014-09 would be worth $120 at the close of 2026-09 — -88.0% total return, dividends reinvested. The same $1,000 in the S&P 500, dividends reinvested, would be worth $4,815.

$1,000 since 2014$120Total return-88.0%Multiple0.12×CAGR-16.2%

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$120Gain+$-880 (-88.0%)Multiple0.1×CAGR-16.2%

    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 2026-09, dividends included.

    2014$1202015$95.522016$2382017$4222018$6422019$1312020$2092021$4932022$2582023$5592024$1,0452025$7812026$1,025

    Every year, $1,000 from 2014

    YearValue of $1,000Year return
    2014$1,000
    2015$401-59.9%
    2016$226-43.5%
    2017$149-34.2%
    2018$728+389.3%
    2019$457-37.2%
    2020$194-57.6%
    2021$370+90.7%
    2022$171-53.8%
    2023$91.37-46.5%
    2024$122+33.8%
    2025$93.22-23.8%
    2026$95.52+2.5%

    Best and worst month-end to buy

    The best single month-end close to have bought PRQR was 2022-05 ($0.66): $1,000 then is $3,136 today. The worst was 2015-03 ($21.88): $1,000 then is $94.61.

    FAQ

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

    A $1,000 investment in ProQR Therapeutics N.V. (PRQR) at the start of 2014 would be worth about $120 today, a total return of -88.0%. Dividends are reinvested in these figures.

    What were the best and worst years for PRQR?

    ProQR Therapeutics N.V. (PRQR)'s strongest calendar year since 2014 was 2018, a +389.3% return — $1,000 held through that year became about $4,893 by year-end. Its weakest year was 2015, at -59.9%.

    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 PRQR have grown?

    Investing $100 at the end of every month since 2014-09 would have grown to about $10,300 on $14,500 invested.

    Did PRQR 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 $4,815. PRQR trailed the S&P 500 by +97.5% 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

    ProQR Therapeutics N.V. (PRQR) historical total-return data from 2014-09 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.

    Full methodology →

    What if you'd held…

    Data: adjusted close prices via EODHD and Yahoo Finance. As of 2026-09-04. Not financial advice.