diff --git a/README.md b/README.md
index 4927f0dc..a3bd9ecc 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,9 @@
 
 <h3> 📈 미국 배당 투자자를 위한 배당금 진단 서비스, Payout </h3>   
 
-- <h5> 1분 내로 간단하게, 배당 포트폴리오 셀프 체크할 수 있어요  </h5>
-- <h5> 포트폴리오 밸런스 진단, 섹터별 인사이트를 제공해요  </h5>
-- <h5> 월간 / 연간 배당금 체크, 종목별 주요 배당 정보를 알 수 있어요  </h5>
+1분 내로 간단하게, 배당 포트폴리오 셀프 체크할 수 있어요 ✅️  
+포트폴리오 밸런스 진단, 섹터별 인사이트를 제공해요 💡  
+월간 / 연간 배당금 체크, 종목별 주요 배당 정보를 알 수 있어요 💰
 
 
 ## 🔗 Link
diff --git a/api-server/src/main/java/nexters/payout/apiserver/dividend/application/DividendQueryService.java b/api-server/src/main/java/nexters/payout/apiserver/dividend/application/DividendQueryService.java
index a9f6db6f..8e7c037e 100644
--- a/api-server/src/main/java/nexters/payout/apiserver/dividend/application/DividendQueryService.java
+++ b/api-server/src/main/java/nexters/payout/apiserver/dividend/application/DividendQueryService.java
@@ -4,15 +4,15 @@
 import lombok.extern.slf4j.Slf4j;
 import nexters.payout.apiserver.dividend.application.dto.request.DividendRequest;
 import nexters.payout.apiserver.dividend.application.dto.request.TickerShare;
-import nexters.payout.apiserver.dividend.application.dto.response.SingleMonthlyDividendResponse;
 import nexters.payout.apiserver.dividend.application.dto.response.MonthlyDividendResponse;
+import nexters.payout.apiserver.dividend.application.dto.response.SingleMonthlyDividendResponse;
 import nexters.payout.apiserver.dividend.application.dto.response.SingleYearlyDividendResponse;
 import nexters.payout.apiserver.dividend.application.dto.response.YearlyDividendResponse;
-import nexters.payout.core.exception.error.NotFoundException;
 import nexters.payout.core.time.InstantProvider;
 import nexters.payout.domain.dividend.domain.Dividend;
 import nexters.payout.domain.dividend.domain.repository.DividendRepository;
 import nexters.payout.domain.stock.domain.Stock;
+import nexters.payout.domain.stock.domain.exception.TickerNotFoundException;
 import nexters.payout.domain.stock.domain.repository.StockRepository;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -70,7 +70,7 @@ private List<Dividend> getLastYearDividendsByTicker(final String ticker) {
 
     private Stock getStock(final String ticker) {
         return stockRepository.findByTicker(ticker)
-                .orElseThrow(() -> new NotFoundException(String.format("not found ticker [%s]", ticker)));
+                .orElseThrow(() -> new TickerNotFoundException(ticker));
     }
 
     private List<SingleMonthlyDividendResponse> getDividendsOfLastYearAndMonth(
@@ -80,7 +80,7 @@ private List<SingleMonthlyDividendResponse> getDividendsOfLastYearAndMonth(
                 .stream()
                 .flatMap(tickerShare -> stockRepository.findByTicker(tickerShare.ticker())
                         .map(stock -> getMonthlyDividendResponse(month, tickerShare, stock))
-                        .orElseThrow(() -> new NotFoundException(String.format("not found ticker [%s]", tickerShare.ticker()))))
+                        .orElseThrow(() -> new TickerNotFoundException(tickerShare.ticker())))
                 .toList();
     }
 
diff --git a/api-server/src/main/java/nexters/payout/apiserver/stock/application/StockQueryService.java b/api-server/src/main/java/nexters/payout/apiserver/stock/application/StockQueryService.java
index d2e4ac8a..7134972d 100644
--- a/api-server/src/main/java/nexters/payout/apiserver/stock/application/StockQueryService.java
+++ b/api-server/src/main/java/nexters/payout/apiserver/stock/application/StockQueryService.java
@@ -4,17 +4,17 @@
 import nexters.payout.apiserver.stock.application.dto.request.SectorRatioRequest;
 import nexters.payout.apiserver.stock.application.dto.request.TickerShare;
 import nexters.payout.apiserver.stock.application.dto.response.*;
-import nexters.payout.core.exception.error.NotFoundException;
 import nexters.payout.core.time.InstantProvider;
 import nexters.payout.domain.dividend.domain.Dividend;
 import nexters.payout.domain.dividend.domain.repository.DividendRepository;
 import nexters.payout.domain.stock.domain.Sector;
 import nexters.payout.domain.stock.domain.Stock;
+import nexters.payout.domain.stock.domain.exception.TickerNotFoundException;
 import nexters.payout.domain.stock.domain.repository.StockRepository;
-import nexters.payout.domain.stock.domain.service.StockDividendAnalysisService;
 import nexters.payout.domain.stock.domain.service.SectorAnalysisService;
 import nexters.payout.domain.stock.domain.service.SectorAnalysisService.SectorInfo;
 import nexters.payout.domain.stock.domain.service.SectorAnalysisService.StockShare;
+import nexters.payout.domain.stock.domain.service.StockDividendAnalysisService;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -76,7 +76,7 @@ private List<Dividend> combinedDividends(final List<Dividend> lastYearDividends,
 
     private Stock getStock(final String ticker) {
         return stockRepository.findByTicker(ticker)
-                .orElseThrow(() -> new NotFoundException(String.format("not found ticker [%s]", ticker)));
+                .orElseThrow(() -> new TickerNotFoundException(ticker));
     }
 
     private List<Dividend> getLastYearDividends(final Stock stock) {
diff --git a/api-server/src/main/resources/application-prod.yml b/api-server/src/main/resources/application-prod.yml
index 933816a8..38da2410 100644
--- a/api-server/src/main/resources/application-prod.yml
+++ b/api-server/src/main/resources/application-prod.yml
@@ -13,6 +13,7 @@ spring:
       hibernate:
         format_sql: true
     show-sql: false
+    open-in-view: false
 
   flyway:
     enabled: true
diff --git a/core/src/main/java/nexters/payout/core/time/InstantProvider.java b/core/src/main/java/nexters/payout/core/time/InstantProvider.java
index fcbfb307..cc775f1f 100644
--- a/core/src/main/java/nexters/payout/core/time/InstantProvider.java
+++ b/core/src/main/java/nexters/payout/core/time/InstantProvider.java
@@ -34,10 +34,6 @@ public static Integer getThisYear() {
         return getNow().getYear();
     }
 
-    public static Integer getNextYear() {
-        return getNow().plusYears(1).getYear();
-    }
-
     public static Integer getLastYear() {
         return getNow().minusYears(1).getYear();
     }
diff --git a/domain/src/main/generated/nexters/payout/domain/QBaseEntity.java b/domain/src/main/generated/nexters/payout/domain/QBaseEntity.java
index 420f56d4..2abee65d 100644
--- a/domain/src/main/generated/nexters/payout/domain/QBaseEntity.java
+++ b/domain/src/main/generated/nexters/payout/domain/QBaseEntity.java
@@ -21,6 +21,8 @@ public class QBaseEntity extends EntityPathBase<BaseEntity> {
 
     public final DateTimePath<java.time.Instant> createdAt = createDateTime("createdAt", java.time.Instant.class);
 
+    public final ComparablePath<java.util.UUID> id = createComparable("id", java.util.UUID.class);
+
     public final DateTimePath<java.time.Instant> lastModifiedAt = createDateTime("lastModifiedAt", java.time.Instant.class);
 
     public QBaseEntity(String variable) {
diff --git a/domain/src/main/generated/nexters/payout/domain/dividend/domain/QDividend.java b/domain/src/main/generated/nexters/payout/domain/dividend/domain/QDividend.java
index 2d5f4b21..02e8370d 100644
--- a/domain/src/main/generated/nexters/payout/domain/dividend/domain/QDividend.java
+++ b/domain/src/main/generated/nexters/payout/domain/dividend/domain/QDividend.java
@@ -30,7 +30,8 @@ public class QDividend extends EntityPathBase<Dividend> {
 
     public final DateTimePath<java.time.Instant> exDividendDate = createDateTime("exDividendDate", java.time.Instant.class);
 
-    public final ComparablePath<java.util.UUID> id = createComparable("id", java.util.UUID.class);
+    //inherited
+    public final ComparablePath<java.util.UUID> id = _super.id;
 
     //inherited
     public final DateTimePath<java.time.Instant> lastModifiedAt = _super.lastModifiedAt;
diff --git a/domain/src/main/java/nexters/payout/domain/BaseEntity.java b/domain/src/main/java/nexters/payout/domain/BaseEntity.java
index 22ca1dc5..02bef398 100644
--- a/domain/src/main/java/nexters/payout/domain/BaseEntity.java
+++ b/domain/src/main/java/nexters/payout/domain/BaseEntity.java
@@ -2,6 +2,7 @@
 
 import jakarta.persistence.*;
 import lombok.Getter;
+import nexters.payout.domain.dividend.domain.Dividend;
 import org.springframework.data.annotation.CreatedDate;
 import org.springframework.data.annotation.LastModifiedDate;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
@@ -14,6 +15,9 @@
 @EntityListeners(AuditingEntityListener.class)
 @Getter
 public class BaseEntity {
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    private UUID id;
 
     @Column(name = "created_at", updatable = false)
     @CreatedDate
@@ -23,4 +27,17 @@ public class BaseEntity {
     @LastModifiedDate
     private Instant lastModifiedAt;
 
+    public BaseEntity(UUID id) {
+        this.id = id;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        return obj instanceof BaseEntity && this.id.equals(((BaseEntity) obj).getId());
+    }
 }
diff --git a/domain/src/main/java/nexters/payout/domain/dividend/application/dto/UpdateDividendRequest.java b/domain/src/main/java/nexters/payout/domain/dividend/application/dto/UpdateDividendRequest.java
deleted file mode 100644
index 36235eb1..00000000
--- a/domain/src/main/java/nexters/payout/domain/dividend/application/dto/UpdateDividendRequest.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package nexters.payout.domain.dividend.application.dto;
-
-import java.time.Instant;
-
-public record UpdateDividendRequest(
-        Double dividend,
-        Instant paymentDate,
-        Instant declarationDate
-) {
-}
diff --git a/domain/src/main/java/nexters/payout/domain/dividend/domain/Dividend.java b/domain/src/main/java/nexters/payout/domain/dividend/domain/Dividend.java
index 15561333..ef1fed60 100644
--- a/domain/src/main/java/nexters/payout/domain/dividend/domain/Dividend.java
+++ b/domain/src/main/java/nexters/payout/domain/dividend/domain/Dividend.java
@@ -1,24 +1,17 @@
 package nexters.payout.domain.dividend.domain;
 
-import jakarta.persistence.*;
-import lombok.AccessLevel;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
 import lombok.Getter;
-import lombok.NoArgsConstructor;
 import nexters.payout.domain.BaseEntity;
 
 import java.time.Instant;
-import java.util.Objects;
 import java.util.UUID;
 
 @Entity
 @Getter
-@NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class Dividend extends BaseEntity {
 
-    @Id
-    @GeneratedValue(strategy = GenerationType.UUID)
-    private UUID id;
-
     @Column(nullable = false, updatable = false)
     private UUID stockId;
 
@@ -31,9 +24,13 @@ public class Dividend extends BaseEntity {
 
     private Instant declarationDate;
 
+    public Dividend() {
+        super(null);
+    }
+
     public Dividend(final UUID id, final UUID stockId, final Double dividend, final Instant exDividendDate,
                     final Instant paymentDate, final Instant declarationDate) {
-        this.id = id;
+        super(id);
         this.stockId = stockId;
         this.dividend = dividend;
         this.exDividendDate = exDividendDate;
@@ -58,16 +55,6 @@ public static Dividend create(
         return new Dividend(stockId, dividend, exDividendDate, paymentDate, declarationDate);
     }
 
-    @Override
-    public boolean equals(Object obj) {
-        return obj instanceof Dividend && this.id.equals(((Dividend) obj).getId());
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id);
-    }
-
     @Override
     public String toString() {
         return "Dividend{" +
diff --git a/domain/src/main/java/nexters/payout/domain/dividend/domain/repository/DividendRepository.java b/domain/src/main/java/nexters/payout/domain/dividend/domain/repository/DividendRepository.java
index 3412fb1a..e929edea 100644
--- a/domain/src/main/java/nexters/payout/domain/dividend/domain/repository/DividendRepository.java
+++ b/domain/src/main/java/nexters/payout/domain/dividend/domain/repository/DividendRepository.java
@@ -8,8 +8,5 @@
 import java.util.UUID;
 
 public interface DividendRepository extends JpaRepository<Dividend, UUID>, DividendRepositoryCustom {
-
     List<Dividend> findAllByStockId(UUID stockId);
-
-    List<Dividend> findAllByStockIdIn(List<UUID> stockIds);
 }
diff --git a/domain/src/main/java/nexters/payout/domain/stock/application/dto/UpdateStockRequest.java b/domain/src/main/java/nexters/payout/domain/stock/application/dto/UpdateStockRequest.java
deleted file mode 100644
index 4868f9c7..00000000
--- a/domain/src/main/java/nexters/payout/domain/stock/application/dto/UpdateStockRequest.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package nexters.payout.domain.stock.application.dto;
-
-public record UpdateStockRequest(
-        Double price,
-        Integer volume
-) {
-}
diff --git a/domain/src/main/java/nexters/payout/domain/stock/domain/Stock.java b/domain/src/main/java/nexters/payout/domain/stock/domain/Stock.java
index 634de7df..2c0667de 100644
--- a/domain/src/main/java/nexters/payout/domain/stock/domain/Stock.java
+++ b/domain/src/main/java/nexters/payout/domain/stock/domain/Stock.java
@@ -11,13 +11,8 @@
 
 @Entity
 @Getter
-@NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class Stock extends BaseEntity {
 
-    @Id
-    @GeneratedValue(strategy = GenerationType.UUID)
-    private UUID id;
-
     @Column(unique = true, nullable = false, length = 50)
     private String ticker;
 
@@ -37,11 +32,13 @@ public class Stock extends BaseEntity {
 
     private String logoUrl;
 
+    public Stock() {super(null);}
+
     public Stock(final UUID id, final String ticker, final String name,
                  final Sector sector, final String exchange, final String industry,
                  final Double price, final Integer volume, final String logoUrl) {
+        super(id);
         validateTicker(ticker);
-        this.id = id;
         this.ticker = ticker;
         this.name = name;
         this.sector = sector;
@@ -73,16 +70,6 @@ public void update(
         this.sector = sector;
     }
 
-    @Override
-    public boolean equals(Object obj) {
-        return obj instanceof Stock && this.id.equals(((Stock) obj).getId());
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id);
-    }
-
     @Override
     public String toString() {
         return "Stock{" +
diff --git a/domain/src/main/java/nexters/payout/domain/stock/domain/exception/TickerNotFoundException.java b/domain/src/main/java/nexters/payout/domain/stock/domain/exception/TickerNotFoundException.java
new file mode 100644
index 00000000..52274290
--- /dev/null
+++ b/domain/src/main/java/nexters/payout/domain/stock/domain/exception/TickerNotFoundException.java
@@ -0,0 +1,10 @@
+package nexters.payout.domain.stock.domain.exception;
+
+import nexters.payout.core.exception.error.NotFoundException;
+
+public class TickerNotFoundException extends NotFoundException {
+
+    public TickerNotFoundException(String ticker) {
+        super(String.format("not found ticker [%s]", ticker));
+    }
+}
diff --git a/domain/src/main/java/nexters/payout/domain/stock/domain/service/SectorAnalysisService.java b/domain/src/main/java/nexters/payout/domain/stock/domain/service/SectorAnalysisService.java
index 2470f356..b423f2f8 100644
--- a/domain/src/main/java/nexters/payout/domain/stock/domain/service/SectorAnalysisService.java
+++ b/domain/src/main/java/nexters/payout/domain/stock/domain/service/SectorAnalysisService.java
@@ -1,7 +1,6 @@
 package nexters.payout.domain.stock.domain.service;
 
 import nexters.payout.domain.common.config.DomainService;
-import nexters.payout.domain.dividend.domain.Dividend;
 import nexters.payout.domain.stock.domain.Sector;
 import nexters.payout.domain.stock.domain.Stock;
 
@@ -15,6 +14,9 @@
 @DomainService
 public class SectorAnalysisService {
 
+    /**
+     * 포트폴리오의 섹터 별 비중을 계산합니다.
+     */
     public Map<Sector, SectorInfo> calculateSectorRatios(final List<StockShare> stockShares) {
         Map<Sector, Integer> sectorCountMap = getSectorCountMap(stockShares);
         Map<Sector, List<StockShare>> sectorStockMap = getSectorStockMap(stockShares);
@@ -73,13 +75,11 @@ public record SectorInfo(
             Double ratio,
             List<StockShare> stockShares
     ) {
-
     }
 
     public record StockShare(
             Stock stock,
             Integer share
     ) {
-
     }
 }
diff --git a/domain/src/main/java/nexters/payout/domain/stock/infra/StockRepositoryCustom.java b/domain/src/main/java/nexters/payout/domain/stock/infra/StockRepositoryCustom.java
index ee12f309..846a7008 100644
--- a/domain/src/main/java/nexters/payout/domain/stock/infra/StockRepositoryCustom.java
+++ b/domain/src/main/java/nexters/payout/domain/stock/infra/StockRepositoryCustom.java
@@ -8,8 +8,9 @@
 import java.util.List;
 
 public interface StockRepositoryCustom {
-
     List<Stock> findStocksByTickerOrNameWithPriority(String search, Integer pageNumber, Integer pageSize);
+
     List<StockDividendDto> findUpcomingDividendStock(Sector sector, int pageNumber, int pageSize);
+
     List<StockDividendYieldDto> findBiggestDividendYieldStock(int lastYear, Sector sector, int pageNumber, int pageSize);
 }
diff --git a/domain/src/main/java/nexters/payout/domain/stock/infra/StockRepositoryImpl.java b/domain/src/main/java/nexters/payout/domain/stock/infra/StockRepositoryImpl.java
index 1d02e905..9ab05217 100644
--- a/domain/src/main/java/nexters/payout/domain/stock/infra/StockRepositoryImpl.java
+++ b/domain/src/main/java/nexters/payout/domain/stock/infra/StockRepositoryImpl.java
@@ -25,7 +25,7 @@
 @RequiredArgsConstructor
 public class StockRepositoryImpl implements StockRepositoryCustom {
 
-    private final Double MAX_DIVIDEND_YIELD = 0.9;
+    private static final Double MAX_DIVIDEND_YIELD = 0.9;
     private final JPAQueryFactory queryFactory;
 
     @Override