Ok, it is in our bug db.  In the mean time, the workaround as you suggested
is very very simple for people, just restart when you are near the volume
crossover days.  I was more worried if anyone traded something like CL
which expires each month, because not everyone has a oil pipeline to
Crushing to take actual delivery.

Speaking of running this for days.  Is it me, or does TWS force everyone to
physically restart it each day.  Is there a way to work around this?


On Wed, Jan 9, 2013 at 2:08 PM, Eugene Kononov <[email protected]>wrote:

>
> While writing this, I noticed something about contract switchover (in
>> general) in jbooktrader.  It only appears to happen when the strategy is
>> created in the constructor.  So, if my theory is correct, we may have a bug
>> if someone kept their jbooktrader open for a long long time, across the
>> futures crossover date.  I have not confirmed this, but to be safe I'd
>> recommend restarting jbook every day on securities that have expiration
>> close in.
>>
>
>
> That's correct, Marcus. The contract will not rollover until JBT is
> restarted. It's not an issue for me, as I restart every day, but some
> people run JBT continuously weeks and months at a time. So this would be
> good to fix.
>
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