Update Feb 02 2013
A positive Wall Street January Effect
SPY is reference in the table

https://docs.google.com/spreadsheet

Again, 3X ETF is not best choice (Direxion FAS/FAZ, TNA/TZA, , ,)
Top secret here is to short VXX (iPath SP500 VIX). Easy and safe (稳赢)
Greedy traders short TVIX/UVXY and made shorting impossible (VelocityShares/ProShares family).






Best ETF Runners so far year 2013 (from Jan 01 to Jan 18 Friday) 2013


note:
In last 19 days, intraday hi, lo, and their swing %; Close prices, and their swing %.

Greatest swings (mainly metals and NG)

1. VIX family (up to 80.80%)
2. metals (NUGT, DSLV, , ,)
3. energy (ERY UGAZ, , ,)