Risk-driven failures
Blowing an account with 5% risk
See how aggressive position risk turns ordinary variance into account-level damage.
How an account blew up
Follow the interaction between escalating risk, inconsistency, and loss recovery.
System behavior under stress
Surviving 20 losses in a row
Examine why survivability depends as much on position size as on strategy quality.
Kelly vs fixed risk
Compare growth-oriented sizing with a simpler fixed-risk approach.
Hidden risk
When exposure is not what it seems
Understand how several apparently separate positions can behave like one concentrated bet.
Historical failures
Archegos, LTCM, and Einar Aas
Examine documented cases involving leverage, concentration, liquidity, correlation, and weak controls.
Worked cases are simplified educational models unless stated otherwise. Historical pages link to primary or authoritative sources for material factual claims.