[Fix] 전날 종가대비 현재 호가 가격변동률 로직 오류 수정

- 전날 종가 대비 현재 매수/매도호가 가격 변동률 로직 오류 존재하여 일부 수정 Issues #17
codestates-seb · Sep 15, 2023 · 6c26543 · 6c26543
1 parent a733efa
commit 6c26543
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/client/src/components/StockOrderSection/StockPrice.tsx b/client/src/components/StockOrderSection/StockPrice.tsx
@@ -40,10 +40,10 @@ const StockPrice = (props: StockPriceProps) => {
   }
 
   // 전날 종가대비 매도/매수호가 변동률 계산
-  const presentStockPrice = parseInt(stockInfo.stockInfResponseDto.stck_prpr, 10);
-  const priceChageAmountComparedYesterday = Math.abs(parseInt(stockInfo.stockInfResponseDto.prdy_vrss, 10));
-  const previousDayStockClosingPrice = presentStockPrice - priceChageAmountComparedYesterday;
-  const changeRate = (((price - previousDayStockClosingPrice) / previousDayStockClosingPrice) * 100).toFixed(2);
+  const presentStockPrice = parseInt(stockInfo.stockInfResponseDto.stck_prpr, 10); // 현재가
+  const priceChageAmountComparedYesterday = parseInt(stockInfo.stockInfResponseDto.prdy_vrss, 10); // 전날 종가대비 현재가 가격 차이
+  const yesterDayStockClosingPrice = presentStockPrice - priceChageAmountComparedYesterday; // 잔날종가 = 현재가 - 전날 종가대비 현재가 가격 차이
+  const changeRate = (((price - yesterDayStockClosingPrice) / yesterDayStockClosingPrice) * 100).toFixed(2);
 
   return (
     <Container index={index} ref={index === 9 ? ref : null} price={price} orderPrice={orderPrice} onClick={handleSetOrderPrice}>