http://159.203.214.236/vixcentral.html
http://159.203.214.236/backtest/vix.csv
http://159.203.214.236/backtest/vix_asc.csv
http://159.203.214.236/backtest/vix_asc.csv.20190123
http://159.203.214.236/backtest/vix_tmp.csv
http://159.203.214.236/backtest/vixcurrent.csv
http://159.203.214.236/prod/vix.csv
http://159.203.214.236/prod/vix_asc.csv