Trade confirmations benchmarked against SPY
He built a dashboard with Muse that reads his trade-confirmation emails and benchmarks each trade against SPY since the trade: buys earn positive alpha when the stock beats SPY, sells when SPY beats the stock.
Try it yourself
Copy this to Muse and replace the [brackets] with your own details:
Find all my [broker] trade confirmations in email, compare each trade's performance since execution with [benchmark], and build a dashboard.