From f3784330c9305c6aed3f4184de02955ba0abeaa3 Mon Sep 17 00:00:00 2001
From: yaro90 <12099316+yaro90@users.noreply.github.com>
Date: Sun, 24 Sep 2023 19:18:15 +0100
Subject: [PATCH] fix(indicators): fixing macd indicator calculation

---
 packages/indicators/src/calculator/macd.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/indicators/src/calculator/macd.ts b/packages/indicators/src/calculator/macd.ts
index 7f9126059..acb513ecc 100644
--- a/packages/indicators/src/calculator/macd.ts
+++ b/packages/indicators/src/calculator/macd.ts
@@ -61,7 +61,8 @@ export default function () {
             d[0] !== undefined && d[1] !== undefined ? d[0] - d[1] : undefined,
         );
 
-        const averageDiff = signalEMA(diff);
+        const largerEMALen = Math.max(slow, fast);
+        const averageDiff = new Array(largerEMALen).concat(signalEMA(diff.slice(largerEMALen)));
 
         return zip(diff, averageDiff).map((d) => ({
             macd: d[0],