There seems to be a problem related to the exchange hours data in JBT. It 
appears that the Trading Hours data returned by IB API are different than 
what JBT expects. I looked at some old logs and the format was:
- Trading hours: 20140731:1700-1515,1530-1615;20140801:1700-1515,1530-1615
- Liquid hours: 20140731:0830-1515;20140801:0830-1515

Today, the hours retrieved from IB API are:
"Trading hours: 
20180227:1700-1515,1530-1600;20180228:1700-1515,1530-1600;20180301:1700-1515,1530-1600;20180302:1700-1515,1530-1600;20180303:CLOSED;20180304:CLOSED;20180305:1700-1515,1530-1600;
 
...".

The rest of the contract data seem to be fine:
Trading class: ES
Exchanges: GLOBEX
Long name: E-mini S&P 500
Market name: ES
Minimum tick: 0.25
Contract month: 201803
Time zone id: CST

Has there been an update to the Trader class that processes the Trading 
Hours?

Thanks.

Ali


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