diff --git a/app/Http/Controllers/Api/V1/StockController.php b/app/Http/Controllers/Api/V1/StockController.php
index fe9e03e..d2aebc8 100644
--- a/app/Http/Controllers/Api/V1/StockController.php
+++ b/app/Http/Controllers/Api/V1/StockController.php
@@ -29,6 +29,8 @@ public function index(Request $request): JsonResponse
             'sort_dir',
             'per_page',
             'page',
+            'start_date',
+            'end_date',
         ]);
 
         $stocks = $this->service->index($params);
diff --git a/app/Services/ClientService.php b/app/Services/ClientService.php
index b3af238..197ee8a 100644
--- a/app/Services/ClientService.php
+++ b/app/Services/ClientService.php
@@ -22,6 +22,8 @@ public function index(array $params)
         $q = trim((string) ($params['q'] ?? ''));
         $onlyActive = $params['only_active'] ?? null;
         $clientType = $params['client_type'] ?? null;
+        $startDate = $params['start_date'] ?? null;
+        $endDate = $params['end_date'] ?? null;
 
         $query = Client::query()->where('tenant_id', $tenantId);
 
@@ -43,6 +45,14 @@ public function index(array $params)
             $query->whereIn('client_type', $types);
         }
 
+        // 등록일 기간 필터
+        if ($startDate) {
+            $query->whereDate('created_at', '>=', $startDate);
+        }
+        if ($endDate) {
+            $query->whereDate('created_at', '<=', $endDate);
+        }
+
         $query->orderBy('client_code')->orderBy('id');
 
         $paginator = $query->paginate($size, ['*'], 'page', $page);
diff --git a/app/Services/StatusBoardService.php b/app/Services/StatusBoardService.php
index a924e34..b38dca5 100644
--- a/app/Services/StatusBoardService.php
+++ b/app/Services/StatusBoardService.php
@@ -70,6 +70,7 @@ private function getBadDebtStatus(int $tenantId): array
         $count = BadDebt::query()
             ->where('tenant_id', $tenantId)
             ->where('status', BadDebt::STATUS_COLLECTING) // 추심 진행 중
+            ->where('is_active', true) // 활성 채권만 (목록 페이지와 일치)
             ->count();
 
         return [
diff --git a/app/Services/StockService.php b/app/Services/StockService.php
index d980a30..9cd1475 100644
--- a/app/Services/StockService.php
+++ b/app/Services/StockService.php
@@ -88,6 +88,20 @@ public function index(array $params): LengthAwarePaginator
             });
         }
 
+        // 날짜 범위 필터 (해당 기간에 입출고 이력이 있는 품목만)
+        if (! empty($params['start_date']) || ! empty($params['end_date'])) {
+            $query->whereHas('stock', function ($stockQuery) use ($params) {
+                $stockQuery->whereHas('transactions', function ($txQuery) use ($params) {
+                    if (! empty($params['start_date'])) {
+                        $txQuery->whereDate('created_at', '>=', $params['start_date']);
+                    }
+                    if (! empty($params['end_date'])) {
+                        $txQuery->whereDate('created_at', '<=', $params['end_date']);
+                    }
+                });
+            });
+        }
+
         // 정렬
         $sortBy = $params['sort_by'] ?? 'code';
         $sortDir = $params['sort_dir'] ?? 'asc';