Does my PC clock need to be synchronized?
HELL YEAH! The last thing you want as a trader is issues of any kind. You better be aware of your full risk spectrum and this technical issue is part of that.
When you start Sierra Chart your message log will also show a message when your clock is off.
I know that SC message log says a lot of things and you are not looking at that. So do yourself and your trading account a favor.
Make it a good practice to have your local time synchronized with a time server. Either at every computer restart, manually or through some scheduled task.
There are several ways to go about this. You can hack your way around this and spend a full Sunday on this if you like. Or just take the simple route by getting a little tool.
Is trading a serious business or just your hobby?
Only serious peeps will find out about this. My free e-book covers a few more risks to consider when you treat trading as a business an not a hobby. You can get the e-book by clicking here.