昨天买的QID才涨5%，SMDD居然涨8%，下次知道搞哪个了。
Short (1x), UltraShort (2x), UltraPro (3x) MarketCap ETFs:
| ETF Name | Ticker | Benchmark Index | Performances(%) |
| Short QQQ | PSQ | Nasdaq-100 | 2.56 |
| Short Dow 30 | DOG | DJIA | 1.99 |
| Short S&P 500 | SH | S&P 500 | 2.18 |
| Short Mid Cap 400 | MYY | S&P Mid Cap 400 | 2.73 |
| Short Small Cap 600 | SBB | S&P Small Cap 600 | 2.66 |
| Short Russell 2000 | RWM | Russell 2000 | 2.36 |
| UltraShort QQQ | QID | Nasdaq-100 | 5.03 |
| UltraShort Dow 30 | DXD | DJIA | 3.78 |
| UltraShort S&P 500 | SDS | S&P 500 | 4.61 |
| UltraShort Mid Cap 400 | MZZ | S&P Mid Cap 400 | 5.34 |
| UltraShort Small Cap 600 | SDD | S&P Small Cap 600 | 4.29 |
| UltraShort Russell 2000 | TWM | Russell 2000 | 4.68 |
| UltraPro Short QQQ | SQQQ | Nasdaq-100 | 7.54 |
| UltraPro Short Dow 30 | SDOW | DJIA | 5.77 |
| UltraPro Short S&P 500 | SPXU | S&P 500 | 6.69 |
| UltraPro Short Mid Cap 400 | SMDD | S&P Mid Cap 400 | 8.04 |
| UltraPro Short Russell 2000 | SRTY | Russell 2000 | 7.24 |
