What are the advantages of constructing a coded trading strategy against a stock screener?
Stock screeners are already programmed and it is simply a click on the criteria to find the stock required as opposed to learning and adding computer code to perform a function in a trading program.
I feel coded system design and particularly the time required to learn the code, backtest, optimise, forward test is a huge time vacuum and is overrated by the suppliers and their party faithfuls.
Position size, risk level, entry and exit criteria come under the KISS (keep it simple Sally) banner. Once this knowledge is acquired then a good screener is all that is needed.