From 1353c099527e31b456d0e49c931822a938c3ae2a Mon Sep 17 00:00:00 2001
From: Thomas Kaul <4159106+dtslvr@users.noreply.github.com>
Date: Wed, 1 May 2024 19:26:51 +0200
Subject: [PATCH] Handle division by zero

---
 apps/api/src/app/portfolio/portfolio.service.ts | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/apps/api/src/app/portfolio/portfolio.service.ts b/apps/api/src/app/portfolio/portfolio.service.ts
index 573c48a83..b7ebf6f21 100644
--- a/apps/api/src/app/portfolio/portfolio.service.ts
+++ b/apps/api/src/app/portfolio/portfolio.service.ts
@@ -700,17 +700,19 @@ export class PortfolioService {
 
       const dividendYieldPercent = this.getAnnualizedPerformancePercent({
         daysInMarket: differenceInDays(new Date(), parseDate(firstBuyDate)),
-        netPerformancePercent: dividendInBaseCurrency.div(
-          timeWeightedInvestment
-        )
+        netPerformancePercent: timeWeightedInvestment.eq(0)
+          ? new Big(0)
+          : dividendInBaseCurrency.div(timeWeightedInvestment)
       });
 
       const dividendYieldPercentWithCurrencyEffect =
         this.getAnnualizedPerformancePercent({
           daysInMarket: differenceInDays(new Date(), parseDate(firstBuyDate)),
-          netPerformancePercent: dividendInBaseCurrency.div(
-            timeWeightedInvestmentWithCurrencyEffect
-          )
+          netPerformancePercent: timeWeightedInvestmentWithCurrencyEffect.eq(0)
+            ? new Big(0)
+            : dividendInBaseCurrency.div(
+                timeWeightedInvestmentWithCurrencyEffect
+              )
         });
 
       const historicalData = await this.dataProviderService.getHistorical(