Extremely powerful tool Extremely powerful tool. I have been using it for almost two decades. There is nothing else like it available to the general public. I have gotten great results.

Love the screening with backtests Love the screening with backtests. Forum members are very helpful. Would like access to more foreign markets, log charts, and ability to trade with entry and exits at the $100/mo level.

More Fun Than Video Games! I Joined P123 Apr 28, 2004, and I have been Investing in systems I developed ever sense then. I currently am receiving 60% of my family annual income from my investments. P123 is more fun than video games! I LOVE it! Denny Halwes

I started using portfolio123 around 19… I started using portfolio123 around 19 years ago. Simply the best product for quantitative stock analysis. No other come even close. The only solution you need for your stock investment assuming you have the time and desire to learn factor investing.

screens work ..get back testing or you… screens work ..get back testing or you will not really know what is best. Probably need a month or two of back-testing to get things tested and tuned for your needs. that's the Basic Public Screen plus testing them with the different Setting/Ranking methods is a lot of combinations to start from. Then you can tweak for bad /good market situations.