You have a pink block called "For each Trade" that could work for what you are asking
https://fxdreema.com/examples#Loop-(For each...)
"When you run this block once, it can activate it's orange output multiple times, depending on how many trades are present.
For each iteration the block loads a given trade, and this trade can be manipulated using other pink blocks like "modify stops" or "close"
After this block you can connect a "Condition" block where you can get different properties of the trade/s.
0_1550523334518_4a1e8c60-9ad0-4ff2-ad7e-d0b37b3110c7-image.png
Then, you can build
For each trade ->If Price (Ask, Bid, Mid or other PriceLevel) < (in loop) OpenPrice ---> Do something