You are better off finding a good "robo adviser" that has a decent algo for rebalancing the account. Forget the idea that you are going to create a system that your kids are going to execute as it will likely cause more problems than it solves.
The OP never confirmed he explicitly asked how to place a stop order that would be filled during extended hours trading. If he did not, he did not get bad advice.
Nice try, but no one is going to code this for you aside from you paying them to do so. You have a few options.
1. Spend a considerable amount of time learning to code yourself.
2. Pay someone to code up your ideas.
3. Ditch the idea of algo trading and learn how to trade/invest without...
Yes...no need to use margin. IB will charge $10 per month if you don't meet the commission threshold if you have under $100k in the account. See their site for details.
Shortly after getting to work today, we received an email stating we no longer had to wear masks in doors. Cheering and clapping could be heard all over the office! Desantis for the win!!
If price traded through the stop price at night, then back up and you woke up to a winning trade you would be so happy your order was not placed correctly. Get a grip....if you are going to cry over a few grand find a new hobby.
So let me get this straight. You want to compete at the HFT level with outfits who can invest tens of millions in technology...and to compete you are going to be "locked and loaded" with multi-charts? You are bringing a tooth pick to a machine gun fight.