What if you'd held MZZ?
A $1,000 investment in ProShares UltraShort MidCap400 (MZZ) at the month-end close of 2006-07 would be worth $2.21 at the close of 2026-08 — -99.8% total return, dividends reinvested. The same $1,000 in the S&P 500 would be worth $6,038.
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 2006
| Year | Value of $1,000 | Year return |
|---|---|---|
| 2006 | $1,000 | — |
| 2007 | $913 | -8.7% |
| 2008 | $1,344 | +47.2% |
| 2009 | $510 | -62.1% |
| 2010 | $274 | -46.2% |
| 2011 | $219 | -20.0% |
| 2012 | $146 | -33.4% |
| 2013 | $77.02 | -47.2% |
| 2014 | $60.20 | -21.8% |
| 2015 | $58.41 | -3.0% |
| 2016 | $37.38 | -36.0% |
| 2017 | $27.02 | -27.7% |
| 2018 | $33.19 | +22.8% |
| 2019 | $20.57 | -38.0% |
| 2020 | $9.64 | -53.1% |
| 2021 | $5.58 | -42.1% |
| 2022 | $6.31 | +13.1% |
| 2023 | $4.82 | -23.7% |
| 2024 | $3.96 | -17.8% |
| 2025 | $3.38 | -14.6% |
| 2026 | $2.51 | -25.8% |
Best and worst month-end to buy
The best single month-end close to have bought MZZ was 2026-06 ($5.74): $1,000 then is $1,012 today. The worst was 2009-02 ($4,030): $1,000 then is $1.44.
FAQ
What would $1,000 in MZZ be worth today?
A $1,000 investment in ProShares UltraShort MidCap400 (MZZ) at the start of 2006 would be worth about $2.21 today, a total return of -99.8%. Dividends are reinvested in these figures.
What were the best and worst years for MZZ?
ProShares UltraShort MidCap400 (MZZ)'s strongest calendar year since 2006 was 2008, a +47.2% return — $1,000 held through that year became about $1,472 by year-end. Its weakest year was 2009, at -62.1%.
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 MZZ have grown?
Investing $100 at the end of every month since 2006-07 would have grown to about $4,467 on $24,200 invested.
Did MZZ beat the S&P 500?
Over the same period, $1,000 in the S&P 500 index would be worth $6,038. MZZ trailed the S&P 500 by +100.0% 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
ProShares UltraShort MidCap400 (MZZ) historical total-return data from 2006-07 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.
What if you'd held…
Data: adjusted close prices via Yahoo Finance. As of 2026-08. Not financial advice.