My philosophy when I used to hire traders was that the optimal number of past blow ups was one.
John Arnold (@johnarnold) stated his trader-hiring rule
Brief
John Arnold asserted that, when hiring traders, the ideal candidate has experienced one past blow-up. He presents a clear heuristic for evaluating trading hires' track records—favoring a single significant failure as a sign of tested experience rather than no failures or multiple repeat blow-ups.
Why it matters
John Arnold (@johnarnold) stated his trader-hiring rule: the optimal number of past blow ups is exactly one.
Key details
- Post metadata: created 2026-03-11 12:44, last updated 2026-04-04; the guidance applies to assessing trader candidates' track records.