resolving confict with data type

fmilthaler · Aug 22, 2023 · 98f3696 · 98f3696
1 parent 8853a19
commit 98f3696
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/finquant/quants.py b/finquant/quants.py
@@ -146,8 +146,11 @@ def treynor_ratio(
         beta_parameter=beta,
         risk_free_rate=risk_free_rate,
     )
-    res_treynor_ratio: FLOAT = (exp_return - risk_free_rate) / beta
-    return res_treynor_ratio
+    if beta is None:
+        return np.nan
+    else:
+        res_treynor_ratio: FLOAT = (exp_return - risk_free_rate) / beta
+        return res_treynor_ratio
 
 
 def downside_risk(