Earlier quoted context omitted.
> By having a fixed percentage portfolio you are forcing yourself to sell high and buy low. Yes, and the things you sell high are the ones that performed well in the past, so you'll have less of those in the future, which is what I said. I'm not thinking about anything backwards.
If you can time the market, then by all means, do that. The reason periodic rebalancing works, is because stocks and bonds don’t exclusively go up (or down). By rebalancing you can take advantage of a racheting effects as a result of signal variance. By rebalancing at set times, you can overcome the psychological effects of waiting just one more day to get gains that then evaporate while you watch. I’m having a hard…
Bonds give you cash later. Cash loses value over time.
Stocks give you a participation in the best companies in the world.
Bonds versus S&P I know which one I'm holding. Good luck with your thing.