diff --git a/src/modules/portfolio/controllers/portfolio.controller.ts b/src/modules/portfolio/controllers/portfolio.controller.ts
index 963d25b..edff638 100644
--- a/src/modules/portfolio/controllers/portfolio.controller.ts
+++ b/src/modules/portfolio/controllers/portfolio.controller.ts
@@ -4,8 +4,9 @@
  */
 
 import { Request, Response, NextFunction } from 'express';
-import { portfolioService, RiskProfile } from '../services/portfolio.service';
+import { portfolioService } from '../services/portfolio.service';
 import { snapshotRepository } from '../repositories/snapshot.repository';
+import type { RiskProfile } from '../types/portfolio.types';
 
 // ============================================================================
 // Types
diff --git a/src/modules/portfolio/repositories/goal.repository.ts b/src/modules/portfolio/repositories/goal.repository.ts
index 9c1f12d..f05482b 100644
--- a/src/modules/portfolio/repositories/goal.repository.ts
+++ b/src/modules/portfolio/repositories/goal.repository.ts
@@ -4,13 +4,12 @@
  */
 
 import { db } from '../../../shared/database';
+import type { GoalStatus, PortfolioGoal } from '../types/portfolio.types';
 
 // ============================================================================
-// Types
+// Database Row Types (snake_case from DB)
 // ============================================================================
 
-export type GoalStatus = 'active' | 'completed' | 'abandoned';
-
 export interface GoalRow {
   id: string;
   user_id: string;
@@ -31,25 +30,7 @@ export interface GoalRow {
   updated_at: Date;
 }
 
-export interface PortfolioGoal {
-  id: string;
-  userId: string;
-  portfolioId: string | null;
-  name: string;
-  description: string | null;
-  targetAmount: number;
-  currentAmount: number;
-  targetDate: Date;
-  monthlyContribution: number;
-  progress: number;
-  projectedCompletionDate: Date | null;
-  monthsRemaining: number | null;
-  requiredMonthlyContribution: number | null;
-  status: GoalStatus;
-  completedAt: Date | null;
-  createdAt: Date;
-  updatedAt: Date;
-}
+// PortfolioGoal interface imported from types/portfolio.types.ts
 
 export interface CreateGoalInput {
   userId: string;
diff --git a/src/modules/portfolio/repositories/portfolio.repository.ts b/src/modules/portfolio/repositories/portfolio.repository.ts
index 478f5c2..006ea23 100644
--- a/src/modules/portfolio/repositories/portfolio.repository.ts
+++ b/src/modules/portfolio/repositories/portfolio.repository.ts
@@ -4,14 +4,17 @@
  */
 
 import { db } from '../../../shared/database';
+import type {
+  RiskProfile,
+  AllocationStatus,
+  Portfolio,
+  PortfolioAllocation,
+} from '../types/portfolio.types';
 
 // ============================================================================
-// Types
+// Database Row Types (snake_case from DB)
 // ============================================================================
 
-export type RiskProfile = 'conservative' | 'moderate' | 'aggressive';
-export type AllocationStatus = 'active' | 'inactive' | 'rebalancing';
-
 export interface PortfolioRow {
   id: string;
   user_id: string;
@@ -33,26 +36,7 @@ export interface PortfolioRow {
   updated_at: Date;
 }
 
-export interface Portfolio {
-  id: string;
-  userId: string;
-  name: string;
-  description: string | null;
-  riskProfile: RiskProfile;
-  totalValue: number;
-  totalCost: number;
-  unrealizedPnl: number;
-  unrealizedPnlPercent: number;
-  dayChangePercent: number;
-  weekChangePercent: number;
-  monthChangePercent: number;
-  allTimeChangePercent: number;
-  isActive: boolean;
-  isPrimary: boolean;
-  lastRebalancedAt: Date | null;
-  createdAt: Date;
-  updatedAt: Date;
-}
+// Portfolio interface imported from types/portfolio.types.ts
 
 export interface AllocationRow {
   id: string;
@@ -73,24 +57,7 @@ export interface AllocationRow {
   created_at: Date;
 }
 
-export interface PortfolioAllocation {
-  id: string;
-  portfolioId: string;
-  asset: string;
-  targetPercent: number;
-  currentPercent: number;
-  deviation: number;
-  quantity: number;
-  avgCost: number;
-  currentPrice: number;
-  value: number;
-  cost: number;
-  pnl: number;
-  pnlPercent: number;
-  status: AllocationStatus;
-  lastUpdatedAt: Date;
-  createdAt: Date;
-}
+// PortfolioAllocation interface imported from types/portfolio.types.ts
 
 export interface CreatePortfolioInput {
   userId: string;
diff --git a/src/modules/portfolio/repositories/snapshot.repository.ts b/src/modules/portfolio/repositories/snapshot.repository.ts
index 73d7ca9..2bdb1db 100644
--- a/src/modules/portfolio/repositories/snapshot.repository.ts
+++ b/src/modules/portfolio/repositories/snapshot.repository.ts
@@ -4,9 +4,10 @@
  */
 
 import { db } from '../../../shared/database';
+import type { PortfolioSnapshot, PerformanceDataPoint } from '../types/portfolio.types';
 
 // ============================================================================
-// Types
+// Database Row Types (snake_case from DB)
 // ============================================================================
 
 export interface SnapshotRow {
@@ -23,19 +24,7 @@ export interface SnapshotRow {
   created_at: Date;
 }
 
-export interface PortfolioSnapshot {
-  id: string;
-  portfolioId: string;
-  snapshotDate: Date;
-  totalValue: number;
-  totalCost: number;
-  unrealizedPnl: number;
-  unrealizedPnlPercent: number;
-  dayChange: number;
-  dayChangePercent: number;
-  allocations: Record<string, unknown> | null;
-  createdAt: Date;
-}
+// PortfolioSnapshot interface imported from types/portfolio.types.ts
 
 export interface CreateSnapshotInput {
   portfolioId: string;
@@ -49,14 +38,7 @@ export interface CreateSnapshotInput {
   allocations?: Record<string, unknown>;
 }
 
-export interface PerformanceDataPoint {
-  date: string;
-  value: number;
-  pnl: number;
-  pnlPercent: number;
-  change: number;
-  changePercent: number;
-}
+// PerformanceDataPoint interface imported from types/portfolio.types.ts
 
 // ============================================================================
 // Helper Functions
diff --git a/src/modules/portfolio/services/portfolio.service.ts b/src/modules/portfolio/services/portfolio.service.ts
index 198d57b..042ad6b 100644
--- a/src/modules/portfolio/services/portfolio.service.ts
+++ b/src/modules/portfolio/services/portfolio.service.ts
@@ -7,23 +7,19 @@
 
 import { v4 as uuidv4 } from 'uuid';
 import { marketService } from '../../trading/services/market.service';
-import {
-  portfolioRepository,
-  Portfolio as RepoPortfolio,
-  PortfolioAllocation as RepoAllocation,
-  RiskProfile as RepoRiskProfile,
-} from '../repositories/portfolio.repository';
-import {
-  goalRepository,
-  PortfolioGoal as RepoGoal,
-} from '../repositories/goal.repository';
+import { portfolioRepository } from '../repositories/portfolio.repository';
+import { goalRepository } from '../repositories/goal.repository';
+import type {
+  Portfolio as DBPortfolio,
+  PortfolioAllocation as DBAllocation,
+  PortfolioGoal as DBGoal,
+  RiskProfile,
+} from '../types/portfolio.types';
 
 // ============================================================================
-// Types
+// Service DTOs (with computed/additional fields)
 // ============================================================================
 
-export type RiskProfile = 'conservative' | 'moderate' | 'aggressive';
-
 export interface Portfolio {
   id: string;
   userId: string;
@@ -125,8 +121,8 @@ const DEFAULT_ALLOCATIONS: Record<RiskProfile, { asset: string; percent: number
 // ============================================================================
 
 function mapRepoPortfolioToService(
-  repo: RepoPortfolio,
-  allocations: RepoAllocation[]
+  repo: DBPortfolio,
+  allocations: DBAllocation[]
 ): Portfolio {
   return {
     id: repo.id,
@@ -145,7 +141,7 @@ function mapRepoPortfolioToService(
   };
 }
 
-function mapRepoAllocationToService(repo: RepoAllocation): PortfolioAllocation {
+function mapRepoAllocationToService(repo: DBAllocation): PortfolioAllocation {
   return {
     id: repo.id,
     portfolioId: repo.portfolioId,
@@ -161,7 +157,7 @@ function mapRepoAllocationToService(repo: RepoAllocation): PortfolioAllocation {
   };
 }
 
-function mapRepoGoalToService(repo: RepoGoal): PortfolioGoal {
+function mapRepoGoalToService(repo: DBGoal): PortfolioGoal {
   // Map DB status to service status
   let status: 'on_track' | 'at_risk' | 'behind' = 'on_track';
   if (repo.status === 'completed') {
@@ -223,7 +219,7 @@ class PortfolioService {
         const repoPortfolio = await portfolioRepository.create({
           userId,
           name,
-          riskProfile: riskProfile as RepoRiskProfile,
+          riskProfile,
           totalValue: initialValue,
           totalCost: initialValue,
         });
diff --git a/src/modules/portfolio/types/portfolio.types.ts b/src/modules/portfolio/types/portfolio.types.ts
new file mode 100644
index 0000000..e005e91
--- /dev/null
+++ b/src/modules/portfolio/types/portfolio.types.ts
@@ -0,0 +1,224 @@
+/**
+ * Portfolio Module Types
+ * Type definitions for portfolio management, allocations, goals, and rebalancing
+ * Aligned with portfolio schema DDL (00-enums.sql)
+ */
+
+// ============================================================================
+// Portfolio Enums (Alineado con portfolio.* DDL)
+// ============================================================================
+
+// Alineado con portfolio.risk_profile (DDL)
+// Nota: También existe en investment schema
+export type RiskProfile = 'conservative' | 'moderate' | 'aggressive';
+
+export enum RiskProfileEnum {
+  CONSERVATIVE = 'conservative',
+  MODERATE = 'moderate',
+  AGGRESSIVE = 'aggressive',
+}
+
+// Alineado con portfolio.goal_status (DDL)
+export type GoalStatus = 'active' | 'completed' | 'abandoned';
+
+export enum GoalStatusEnum {
+  ACTIVE = 'active',
+  COMPLETED = 'completed',
+  ABANDONED = 'abandoned',
+}
+
+// Alineado con portfolio.rebalance_action (DDL)
+export type RebalanceAction = 'buy' | 'sell' | 'hold';
+
+export enum RebalanceActionEnum {
+  BUY = 'buy',
+  SELL = 'sell',
+  HOLD = 'hold',
+}
+
+// Alineado con portfolio.allocation_status (DDL)
+export type AllocationStatus = 'active' | 'inactive' | 'rebalancing';
+
+export enum AllocationStatusEnum {
+  ACTIVE = 'active',
+  INACTIVE = 'inactive',
+  REBALANCING = 'rebalancing',
+}
+
+// ============================================================================
+// Portfolio Interfaces
+// ============================================================================
+
+export interface Portfolio {
+  id: string;
+  userId: string;
+  name: string;
+  description: string | null;
+  riskProfile: RiskProfile;
+  totalValue: number;
+  totalCost: number;
+  unrealizedPnl: number;
+  unrealizedPnlPercent: number;
+  dayChangePercent: number;
+  weekChangePercent: number;
+  monthChangePercent: number;
+  allTimeChangePercent: number;
+  isActive: boolean;
+  isPrimary: boolean;
+  lastRebalancedAt: Date | null;
+  createdAt: Date;
+  updatedAt: Date;
+}
+
+export interface PortfolioAllocation {
+  id: string;
+  portfolioId: string;
+  asset: string;
+  targetPercent: number;
+  currentPercent: number;
+  deviation: number;
+  quantity: number;
+  avgCost: number;
+  currentPrice: number;
+  value: number;
+  cost: number;
+  pnl: number;
+  pnlPercent: number;
+  status: AllocationStatus;
+  lastUpdatedAt: Date;
+  createdAt: Date;
+}
+
+export interface PortfolioGoal {
+  id: string;
+  userId: string;
+  portfolioId: string | null;
+  name: string;
+  description: string | null;
+  targetAmount: number;
+  currentAmount: number;
+  targetDate: Date;
+  monthlyContribution: number;
+  progress: number;
+  projectedCompletionDate: Date | null;
+  monthsRemaining: number | null;
+  requiredMonthlyContribution: number | null;
+  status: GoalStatus;
+  completedAt: Date | null;
+  createdAt: Date;
+  updatedAt: Date;
+}
+
+export interface RebalanceHistory {
+  id: string;
+  portfolioId: string;
+  asset: string;
+  action: RebalanceAction;
+  targetPercent: number;
+  actualPercentBefore: number;
+  actualPercentAfter: number;
+  quantityChange: number;
+  valueChange: number;
+  priceAtRebalance: number;
+  executedAt: Date;
+  executionStatus: string;
+  executionNotes: string | null;
+  createdAt: Date;
+}
+
+export interface PortfolioSnapshot {
+  id: string;
+  portfolioId: string;
+  snapshotDate: Date;
+  totalValue: number;
+  totalCost: number;
+  unrealizedPnl: number;
+  unrealizedPnlPercent: number;
+  dayChange: number;
+  dayChangePercent: number;
+  allocations: Record<string, unknown> | null;
+  createdAt: Date;
+}
+
+// ============================================================================
+// Input/Output DTOs
+// ============================================================================
+
+export interface CreatePortfolioInput {
+  userId: string;
+  name: string;
+  description?: string;
+  riskProfile: RiskProfile;
+}
+
+export interface UpdatePortfolioInput {
+  name?: string;
+  description?: string;
+  riskProfile?: RiskProfile;
+  isActive?: boolean;
+  isPrimary?: boolean;
+}
+
+export interface CreateAllocationInput {
+  portfolioId: string;
+  asset: string;
+  targetPercent: number;
+  quantity?: number;
+  avgCost?: number;
+}
+
+export interface UpdateAllocationInput {
+  targetPercent?: number;
+  quantity?: number;
+  avgCost?: number;
+  status?: AllocationStatus;
+}
+
+export interface CreateGoalInput {
+  userId: string;
+  portfolioId?: string;
+  name: string;
+  description?: string;
+  targetAmount: number;
+  targetDate: Date;
+  monthlyContribution?: number;
+}
+
+export interface UpdateGoalInput {
+  name?: string;
+  description?: string;
+  targetAmount?: number;
+  targetDate?: Date;
+  monthlyContribution?: number;
+  currentAmount?: number;
+  status?: GoalStatus;
+}
+
+export interface RebalanceRecommendation {
+  asset: string;
+  action: RebalanceAction;
+  currentPercent: number;
+  targetPercent: number;
+  deviation: number;
+  quantityChange: number;
+  valueChange: number;
+  priority: number;
+}
+
+export interface PerformanceDataPoint {
+  date: string;
+  value: number;
+  pnl: number;
+  pnlPercent: number;
+  change: number;
+  changePercent: number;
+}
+
+export interface PortfolioSummary {
+  portfolio: Portfolio;
+  allocations: PortfolioAllocation[];
+  totalAllocated: number;
+  unallocatedPercent: number;
+  needsRebalance: boolean;
+  lastSnapshot: PortfolioSnapshot | null;
+}