Search on the IB website for friends and family account. You can then control their account without accepting money which you have to be registered todo.
In IB TWS option trader, right click on the column headers and add model. Then walk your order towards this model price. You should get filled near this price.
Billion of dollars is run with trend following in London.
https://www.man.com/maninstitute/keep-calm-carry-on-trend-following
Man group who own AHL are a ftse 250 company. I think they were in the ftse 100 at one point.