What if you'd held THRM?
A $1,000 investment in Gentherm Inc (THRM) at the month-end close of 1993-06 would be worth $930 at the close of 2026-08 — -7.0% total return, dividends reinvested. The same $1,000 in the S&P 500 would be worth $17,121.
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 2026-08, dividends included.
Every year, $1,000 from 1993
| Year | Value of $1,000 | Year return |
|---|---|---|
| 1993 | $1,000 | — |
| 1994 | $1,200 | +20.0% |
| 1995 | $1,075 | -10.4% |
| 1996 | $588 | -45.3% |
| 1997 | $250 | -57.4% |
| 1998 | $34.38 | -86.2% |
| 1999 | $60.00 | +74.5% |
| 2000 | $40.00 | -33.3% |
| 2001 | $21.40 | -46.5% |
| 2002 | $54.20 | +153.3% |
| 2003 | $86.40 | +59.4% |
| 2004 | $74.80 | -13.4% |
| 2005 | $117 | +56.1% |
| 2006 | $193 | +65.4% |
| 2007 | $423 | +118.8% |
| 2008 | $65.20 | -84.6% |
| 2009 | $159 | +143.6% |
| 2010 | $218 | +37.0% |
| 2011 | $285 | +31.1% |
| 2012 | $266 | -6.7% |
| 2013 | $536 | +101.6% |
| 2014 | $732 | +36.6% |
| 2015 | $948 | +29.4% |
| 2016 | $677 | -28.6% |
| 2017 | $635 | -6.2% |
| 2018 | $800 | +25.9% |
| 2019 | $888 | +11.0% |
| 2020 | $1,304 | +46.9% |
| 2021 | $1,738 | +33.2% |
| 2022 | $1,306 | -24.9% |
| 2023 | $1,047 | -19.8% |
| 2024 | $798 | -23.8% |
| 2025 | $727 | -8.9% |
| 2026 | $791 | +8.7% |
Best and worst month-end to buy
The best single month-end close to have bought THRM was 2001-10 ($1.05): $1,000 then is $37,662 today. The worst was 2022-01 ($87.39): $1,000 then is $453.
FAQ
What would $1,000 in THRM be worth today?
A $1,000 investment in Gentherm Inc (THRM) at the start of 1993 would be worth about $930 today, a total return of -7.0%. Dividends are reinvested in these figures.
What were the best and worst years for THRM?
Gentherm Inc (THRM)'s strongest calendar year since 1993 was 2002, a +153.3% return — $1,000 held through that year became about $2,533 by year-end. Its weakest year was 1998, at -86.2%.
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 THRM have grown?
Investing $100 at the end of every month since 1993-06 would have grown to about $189,844 on $39,900 invested.
Did THRM beat the S&P 500?
Over the same period, $1,000 in the S&P 500 index would be worth $17,121. THRM trailed the S&P 500 by +94.6% 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
Gentherm Inc (THRM) historical total-return data from 1993-06 to 2026-08, 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 2026-08. Not financial advice.