Financial Risk Specialist how-to
How to Backtest a Value-at-Risk Model
Backtesting keeps models honest.
Quick answer
Backtesting keeps models honest. In short: collect; collect; count, then complete the remaining steps below.
Step by step
Collect daily VaR.
Collect actual results.
Count exceptions.
Compare to expected.
Investigate causes.
Report findings.
Safety reminders for financial risk specialists
- Protect confidential trading data
- Follow regulatory rules
- Escalate risks honestly
- Keep models documented
Key terms
VaR · Stress test · Market risk · Credit risk · Liquidity risk · Operational risk: see the full financial risk specialist glossary.
