diff --git a/src/settlements/dtos/settlement.history.dto.ts b/src/settlements/dtos/settlement.history.dto.ts
index 3041cf0..a9eb880 100644
--- a/src/settlements/dtos/settlement.history.dto.ts
+++ b/src/settlements/dtos/settlement.history.dto.ts
@@ -10,14 +10,16 @@ export interface MonthlySalesItemDto {
   sale_price: number;
   settled_amount: number;
   fee: number;
-  status: 'Pending' | 'Succeed' | 'Failed';
+  status: 'Pending' | 'Succeed' | 'Failed' | 'Refunded';
 }
 
 export interface MonthlySalesSummaryDto {
   count: number;
   total_sales: number;
-  total_settled: number;
+  total_settled: number;          // net — Succeed만, 환불 제외
   total_fee: number;
+  refunded_count: number;
+  refunded_amount: number;
 }
 
 export interface MonthlySalesResponseDto {
@@ -32,11 +34,13 @@ export interface MonthlySalesResponseDto {
 export interface YearlySettlementItemDto {
   year: number;
   count: number;
-  total_sales: number;
-  total_settled: number;
+  total_sales: number;       // gross
+  total_settled: number;     // net — 환불 제외, Succeed 합계
   total_fee: number;
   succeeded_amount: number;
   pending_amount: number;
+  refunded_amount: number;
+  refunded_count: number;
 }
 
 export interface YearlySettlementResponseDto {
diff --git a/src/settlements/repositories/settlement.history.repository.ts b/src/settlements/repositories/settlement.history.repository.ts
index 6b06e02..d9d4a36 100644
--- a/src/settlements/repositories/settlement.history.repository.ts
+++ b/src/settlements/repositories/settlement.history.repository.ts
@@ -55,31 +55,35 @@ export const SettlementHistoryRepository = {
     Array<{
       year: number;
       count: number;
-      total_sales: number;
-      total_settled: number;
-      total_fee: number;
-      succeeded_amount: number;
-      pending_amount: number;
+      total_sales: number;          // gross — 환불 포함 (비교용)
+      total_settled: number;        // net — Succeed 합계 (환불 제외)
+      total_fee: number;            // gross fee (환불 포함)
+      succeeded_amount: number;     // Succeed만
+      pending_amount: number;       // Pending만
+      refunded_amount: number;      // Refunded만
+      refunded_count: number;
     }>
   > {
     const rows = await prisma.$queryRaw<
       Array<{
         year: number;
         count: bigint;
-        total_settled: bigint | null;
         total_fee: bigint | null;
         succeeded_amount: bigint | null;
         pending_amount: bigint | null;
+        refunded_amount: bigint | null;
+        refunded_count: bigint;
         total_sales: bigint | null;
       }>
     >`
       SELECT
         YEAR(s.created_at) AS year,
         COUNT(*) AS count,
-        SUM(s.amount) AS total_settled,
         SUM(s.fee) AS total_fee,
         SUM(CASE WHEN s.status = ${Status.Succeed} THEN s.amount ELSE 0 END) AS succeeded_amount,
         SUM(CASE WHEN s.status = ${Status.Pending} THEN s.amount ELSE 0 END) AS pending_amount,
+        SUM(CASE WHEN s.status = ${Status.Refunded} THEN s.amount ELSE 0 END) AS refunded_amount,
+        SUM(CASE WHEN s.status = ${Status.Refunded} THEN 1 ELSE 0 END) AS refunded_count,
         SUM(p.amount) AS total_sales
       FROM Settlement s
       JOIN Payment pm ON pm.payment_id = s.payment_id
@@ -89,14 +93,19 @@ export const SettlementHistoryRepository = {
       ORDER BY year DESC
     `;
 
-    return rows.map((r) => ({
-      year: Number(r.year),
-      count: Number(r.count),
-      total_sales: Number(r.total_sales ?? 0),
-      total_settled: Number(r.total_settled ?? 0),
-      total_fee: Number(r.total_fee ?? 0),
-      succeeded_amount: Number(r.succeeded_amount ?? 0),
-      pending_amount: Number(r.pending_amount ?? 0),
-    }));
+    return rows.map((r) => {
+      const succeeded = Number(r.succeeded_amount ?? 0);
+      return {
+        year: Number(r.year),
+        count: Number(r.count),
+        total_sales: Number(r.total_sales ?? 0),
+        total_settled: succeeded,                       // net: 환불 제외, 정산 완료만
+        total_fee: Number(r.total_fee ?? 0),
+        succeeded_amount: succeeded,
+        pending_amount: Number(r.pending_amount ?? 0),
+        refunded_amount: Number(r.refunded_amount ?? 0),
+        refunded_count: Number(r.refunded_count ?? 0),
+      };
+    });
   },
 };
diff --git a/src/settlements/routes/settlement.route.ts b/src/settlements/routes/settlement.route.ts
index cb0c751..a2808bc 100644
--- a/src/settlements/routes/settlement.route.ts
+++ b/src/settlements/routes/settlement.route.ts
@@ -470,9 +470,11 @@ router.post("/register/business", authenticateJwt, registerBusiness);
  *                   type: object
  *                   properties:
  *                     count: { type: integer, example: 3 }
- *                     total_sales: { type: integer, example: 30000 }
- *                     total_settled: { type: integer, example: 27000 }
+ *                     total_sales: { type: integer, description: 원래 판매가 합계 (환불 포함), example: 30000 }
+ *                     total_settled: { type: integer, description: net 정산 금액 (환불 제외), example: 18000 }
  *                     total_fee: { type: integer, example: 3000 }
+ *                     refunded_count: { type: integer, example: 1 }
+ *                     refunded_amount: { type: integer, example: 9000 }
  *                 items:
  *                   type: array
  *                   items:
@@ -489,7 +491,7 @@ router.post("/register/business", authenticateJwt, registerBusiness);
  *                       sale_price: { type: integer }
  *                       settled_amount: { type: integer }
  *                       fee: { type: integer }
- *                       status: { type: string, enum: [Pending, Succeed, Failed] }
+ *                       status: { type: string, enum: [Pending, Succeed, Failed, Refunded] }
  *                 statusCode: { type: integer, example: 200 }
  *       400:
  *         description: 잘못된 year/month
@@ -556,11 +558,13 @@ router.get("/sales/monthly", authenticateJwt, getMonthlySales);
  *                     properties:
  *                       year: { type: integer, example: 2026 }
  *                       count: { type: integer, example: 50 }
- *                       total_sales: { type: integer, example: 500000 }
- *                       total_settled: { type: integer, example: 450000 }
+ *                       total_sales: { type: integer, description: gross — 환불 포함, example: 500000 }
+ *                       total_settled: { type: integer, description: net — Succeed 합계 (환불 제외), example: 400000 }
  *                       total_fee: { type: integer, example: 50000 }
  *                       succeeded_amount: { type: integer, example: 400000 }
  *                       pending_amount: { type: integer, example: 50000 }
+ *                       refunded_amount: { type: integer, example: 50000 }
+ *                       refunded_count: { type: integer, example: 5 }
  *                 statusCode: { type: integer, example: 200 }
  *       401:
  *         description: 로그인 필요
diff --git a/src/settlements/services/settlement.history.service.ts b/src/settlements/services/settlement.history.service.ts
index 695f80f..f31b92e 100644
--- a/src/settlements/services/settlement.history.service.ts
+++ b/src/settlements/services/settlement.history.service.ts
@@ -19,13 +19,22 @@ export const SettlementHistoryService = {
     let total_sales = 0;
     let total_settled = 0;
     let total_fee = 0;
+    let refunded_count = 0;
+    let refunded_amount = 0;
 
     const items = rows.map((r) => {
       const sale_price = r.payment?.purchase?.amount ?? 0;
       total_sales += sale_price;
-      total_settled += r.amount;
       total_fee += r.fee;
 
+      // net 정산금: 환불은 제외 (회계상 판매자 net 수익)
+      if (r.status === 'Refunded') {
+        refunded_count += 1;
+        refunded_amount += r.amount;
+      } else {
+        total_settled += r.amount;
+      }
+
       return {
         settlement_id: r.settlement_id,
         sold_at: r.created_at.toISOString(),
@@ -38,7 +47,7 @@ export const SettlementHistoryService = {
         sale_price,
         settled_amount: r.amount,
         fee: r.fee,
-        status: r.status as 'Pending' | 'Succeed' | 'Failed',
+        status: r.status as 'Pending' | 'Succeed' | 'Failed' | 'Refunded',
       };
     });
 
@@ -46,7 +55,14 @@ export const SettlementHistoryService = {
       message: '월별 판매 내역 조회 성공',
       year,
       month,
-      summary: { count: items.length, total_sales, total_settled, total_fee },
+      summary: {
+        count: items.length,
+        total_sales,
+        total_settled,
+        total_fee,
+        refunded_count,
+        refunded_amount,
+      },
       items,
       statusCode: 200,
     };
diff --git a/swagger.json b/swagger.json
index a22e396..1471582 100644
--- a/swagger.json
+++ b/swagger.json
@@ -7756,15 +7756,25 @@
                         },
                         "total_sales": {
                           "type": "integer",
+                          "description": "원래 판매가 합계 (환불 포함)",
                           "example": 30000
                         },
                         "total_settled": {
                           "type": "integer",
-                          "example": 27000
+                          "description": "net 정산 금액 (환불 제외)",
+                          "example": 18000
                         },
                         "total_fee": {
                           "type": "integer",
                           "example": 3000
+                        },
+                        "refunded_count": {
+                          "type": "integer",
+                          "example": 1
+                        },
+                        "refunded_amount": {
+                          "type": "integer",
+                          "example": 9000
                         }
                       }
                     },
@@ -7815,7 +7825,8 @@
                             "enum": [
                               "Pending",
                               "Succeed",
-                              "Failed"
+                              "Failed",
+                              "Refunded"
                             ]
                           }
                         }
@@ -7925,11 +7936,13 @@
                           },
                           "total_sales": {
                             "type": "integer",
+                            "description": "gross — 환불 포함",
                             "example": 500000
                           },
                           "total_settled": {
                             "type": "integer",
-                            "example": 450000
+                            "description": "net — Succeed 합계 (환불 제외)",
+                            "example": 400000
                           },
                           "total_fee": {
                             "type": "integer",
@@ -7942,6 +7955,14 @@
                           "pending_amount": {
                             "type": "integer",
                             "example": 50000
+                          },
+                          "refunded_amount": {
+                            "type": "integer",
+                            "example": 50000
+                          },
+                          "refunded_count": {
+                            "type": "integer",
+                            "example": 5
                           }
                         }
                       }