For the regular readers, you all have probably seen that I have started a passive portfolio (with a target of rebalancing annually) since the start of this year. I provided regular monthly updates to this portfolio and you can see these posts throughout my blog. The objective of that portfolio is to be really passive with little need to do any tinkering and yet still beats the Vanguard 500 index over time. That's probably suitable for individuals who are busy with their daily life and do not want to spend too much time doing any investing research work. Sometime last year, I also wrote an article on another actively managed portfolio which was conceptualised to beat the market. Much of the backtesting and coding was done on the Quantopian platform which is now closed. I'm still pretty upset about it as it was really quite a user friendly platform for quants to test out their codes...