Update _README.md

mtouyaa · web-flow · commit e02dc52a2bfc · 2021-08-11T10:04:01.000+01:00
diff --git a/_README.md b/_README.md
@@ -4,6 +4,7 @@ Python solutions for Financial Market Risk:
 - Pricing (Black-Scholes, Monte Carlo)
 - Greeks (DGV)
 - VaR & ES
+- Implied vol & Vol Surface
 - Fundamental Review of the Trading Book / Basel III
 - P&L calculation & attribution analysis
 
