What percentage are you up? (Or down 🤕)

[Rollingskies]

See here how to keep track of your true performance:

Weighted average. A google sheets template for profit calculation

Thought I’d share this. If you invest £100 for 360 days and make £10 profit then in almost a year you have made 10%. Easy But say 5 days before year end you invest an extra £1,000. You then find after 365 days you have made £20 profit. But is that good? 20/1,100 is 1.8% but that’s just obviously not right since you only held the £1,000 for 5 days, but the £100 for 365. You want to find effectively what that £1,000 is worth. So if you divide it by 365 and held it for 5 days its like holding £…