The mistake is reading the trade without seeing the concentration.
Before looking at the chart, write down 2 scenarios: if it accelerates, if it stalls. Then check the HHI: are you adding a new idea or the same risk? High HHI = a few positions carry too much weight on a single shock.
The hidden mistake is reading the trade without seeing the concentration. Before the intraday chart, define 2 scenarios. Then look at the HHI: does the trade add context or replicate the same risk already in the portfolio? A high HHI signals that a few positions are driving the entire portfolio. The value is not in making more trades, but in understanding where risk is concentrated. Does this happen to you more often by sector or by theme?
The problem is not the single trade: it is when the whole portfolio reacts to the same reason.
Does this happen to you more often by sector or by theme? · https://norvus.app/landing?lang=it#pain