diff --git a/packages/server/src/account/account.repository.ts b/packages/server/src/account/account.repository.ts
index 20d29348..6cc228f7 100644
--- a/packages/server/src/account/account.repository.ts
+++ b/packages/server/src/account/account.repository.ts
@@ -49,7 +49,7 @@ export class AccountRepository extends Repository<Account> {
 
 	async updateAccountCurrency(
 		typeGiven: string,
-		accountBalance: number,
+		change: number,
 		accountId: number,
 		queryRunner: QueryRunner,
 	): Promise<void> {
@@ -60,7 +60,32 @@ export class AccountRepository extends Repository<Account> {
 			await queryRunner.manager
 				.createQueryBuilder()
 				.update(Account)
-				.set({ [typeGiven]: accountBalance })
+				.set({ [typeGiven]: `${typeGiven} + ${change}` })
+				.where('id = :id', { id: accountId })
+				.execute();
+
+			this.logger.log(`계정 통화 업데이트 완료: accountId=${accountId}`);
+		} catch (error) {
+			this.logger.error(
+				`계정 통화 업데이트 실패: ${error.message}`,
+				error.stack,
+			);
+			throw error;
+		}
+	}
+	async updateAccountAvailableCurrency(
+		change: number,
+		accountId: number,
+		queryRunner: QueryRunner,
+	): Promise<void> {
+		this.logger.log(
+			`계정 통화 업데이트 시작: accountId=${accountId}, type=availableKRW`,
+		);
+		try {
+			await queryRunner.manager
+				.createQueryBuilder()
+				.update(Account)
+				.set({ availableKRW: () => `availableKRW + ${change}` })
 				.where('id = :id', { id: accountId })
 				.execute();
 
@@ -104,31 +129,7 @@ export class AccountRepository extends Repository<Account> {
 		return account.availableKRW;
 	}
 
-	async updateAccountAvailableCurrency(
-		change: number,
-		accountId: number,
-		queryRunner: QueryRunner,
-	): Promise<void> {
-		this.logger.log(
-			`계정 통화 업데이트 시작: accountId=${accountId}, type=availableKRW`,
-		);
-		try {
-			await queryRunner.manager
-				.createQueryBuilder()
-				.update(Account)
-				.set({ availableKRW: () => `availableKRW + ${change}` })
-				.where('id = :id', { id: accountId })
-				.execute();
 
-			this.logger.log(`계정 통화 업데이트 완료: accountId=${accountId}`);
-		} catch (error) {
-			this.logger.error(
-				`계정 통화 업데이트 실패: ${error.message}`,
-				error.stack,
-			);
-			throw error;
-		}
-	}
 
 	async updateAccountBTC(
 		id: number,
diff --git a/packages/server/src/trade/trade-ask.service.ts b/packages/server/src/trade/trade-ask.service.ts
index 59537507..878cbc70 100644
--- a/packages/server/src/trade/trade-ask.service.ts
+++ b/packages/server/src/trade/trade-ask.service.ts
@@ -292,9 +292,7 @@ export class AskService extends TradeAskBidService implements OnModuleInit {
       );
     }
 
-    const change = formatQuantity(
-      account[askDto.typeReceived] + buyData.price * buyData.quantity,
-    );
+    const change = formatQuantity(buyData.price * buyData.quantity);
 
     await this.accountRepository.updateAccountCurrency(
       askDto.typeReceived,
@@ -302,16 +300,7 @@ export class AskService extends TradeAskBidService implements OnModuleInit {
       account.id,
       queryRunner,
     );
-    const availableChange = formatQuantity(
-			account.availableKRW + buyData.price * buyData.quantity,
-		);
-
-		await this.accountRepository.updateAccountCurrency(
-			askDto.typeReceived,
-			change,
-			account.id,
-			queryRunner,
-		);
+    const availableChange = formatQuantity(buyData.price * buyData.quantity);
 
 		await this.accountRepository.updateAccountCurrency(
 			'availableKRW',
diff --git a/packages/server/src/trade/trade-bid.service.ts b/packages/server/src/trade/trade-bid.service.ts
index 572906bc..cfc81302 100644
--- a/packages/server/src/trade/trade-bid.service.ts
+++ b/packages/server/src/trade/trade-bid.service.ts
@@ -77,14 +77,15 @@ export class BidService extends TradeAskBidService implements OnModuleInit {
 					const userAccount = await this.accountRepository.validateUserAccount(
 						user.userId,
 					);
-					const accountBalance = await this.checkCurrencyBalance(
-						bidDto,
-						userAccount,
-					);
+					// const accountBalance = await this.checkCurrencyBalance(
+					// 	bidDto,
+					// 	userAccount,
+					// );
+					const { receivedPrice, receivedAmount } = bidDto;
 
 					await this.accountRepository.updateAccountCurrency(
 						'availableKRW',
-						accountBalance,
+						-formatQuantity(receivedPrice * receivedAmount),
 						userAccount.id,
 						queryRunner,
 					);
@@ -278,18 +279,17 @@ export class BidService extends TradeAskBidService implements OnModuleInit {
 			(bidDto.receivedPrice - buyData.price) * buyData.quantity,
 		);
 
-		const returnChange = formatQuantity(
-			userAccount[typeGiven] - buyData.price * buyData.quantity,
-		);
+		const returnChange = formatQuantity(buyData.price * buyData.quantity);
 
 		await this.accountRepository.updateAccountCurrency(
 			typeGiven,
-			returnChange,
+			-returnChange,
 			account.id,
 			queryRunner,
 		);
 
-		await this.accountRepository.updateAccountAvailableCurrency(
+		await this.accountRepository.updateAccountCurrency(
+			'availableKRW',
 			change,
 			account.id,
 			queryRunner,
diff --git a/packages/server/src/trade/trade.service.ts b/packages/server/src/trade/trade.service.ts
index 09fab343..591a78c7 100644
--- a/packages/server/src/trade/trade.service.ts
+++ b/packages/server/src/trade/trade.service.ts
@@ -238,7 +238,7 @@ export class TradeService {
 
   private calculateAccountBalance(trade: any, userAccount: any): number {
     return parseFloat(
-      (trade.price * trade.quantity + userAccount.availableKRW).toFixed(
+      (trade.price * trade.quantity).toFixed(
         8,
       ),
     );