28:53 - OHLCV information is incorrect. Only one column is useable (access with .Value), the column specified in the PythonQuandl class (in this case it is "Settle"). See the backtest provided below for the correct code.
Links to csv data can be found in backtests.
CPI (no data, only dates): https://www.quantconnect.com/terminal...
Unemployment Rate (one data point): https://www.quantconnect.com/terminal...
USDRUB (OHLCV): https://www.quantconnect.com/terminal...
Quandl: https://www.quantconnect.com/terminal...