Ticker SPY
Security Type Equity
Market USA
Resolution Minute
Status Resolved

The issue is an hour of data missing form 13:36 to 14:36 the day 2014-10-30

 

 

https://www.quantconnect.com/data/file/equity/usa/minute/spy/20141030_trade.zip/20141030_spy_minute_trade.csv#p=5