from 3xetf.com:
Direxion S&P 500 Bull 3x ETF | SPXL | $107.75 (-1.06%) | 1,132,270 |
Direxion S&P 500 Bear 3x ETF | SPXS | $10.80 (+1.03%) |
4,116,600 |
ProShares UltraPro S&P500 Bull 3x ETF | UPRO | $81.78 (-1.03%) | 2,626,530 |
ProShares UltraPro S&P500 Bear 3x ETF | SPXU | $20.41 (+0.94%) | 4,436,000 |
Any reason you trade SPXL/SPXU pair (different company etfs), not SPXL/SPXS or UPRO/SPXU pair?