This fact alone should lead most traders to only risk an amount of money that they are fully prepared to lose per trade. (learntotradethemarket.com)
However, that said, some trades you can go in a little harder on than others, but the key is that you stay under your overall per - trade dollar risk amount. (learntotradethemarket.com)
So, if as in the example above, your per - trade risk threshold is $ 100, then you can risk any amount on a trade from 1 to 100 dollars. (learntotradethemarket.com)