diff --git a/CHANGELOG.md b/CHANGELOG.md
index f0a678ea0..fee45137d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 0.95.0 - 28.04.2021
+
+### Added
+
+- Added a data source attribute to the transactions model
+
 ## 0.94.0 - 27.04.2021
 
 ### Added
diff --git a/apps/api/src/app/experimental/experimental.service.ts b/apps/api/src/app/experimental/experimental.service.ts
index 311f2aca8..30d0a9ff9 100644
--- a/apps/api/src/app/experimental/experimental.service.ts
+++ b/apps/api/src/app/experimental/experimental.service.ts
@@ -39,6 +39,7 @@ export class ExperimentalService {
         accountId: undefined,
         accountUserId: undefined,
         createdAt: new Date(),
+        dataSource: undefined,
         date: parseISO(order.date),
         fee: 0,
         id: undefined,
diff --git a/apps/api/src/app/order/create-order.dto.ts b/apps/api/src/app/order/create-order.dto.ts
index 177361555..f330eb027 100644
--- a/apps/api/src/app/order/create-order.dto.ts
+++ b/apps/api/src/app/order/create-order.dto.ts
@@ -1,4 +1,4 @@
-import { Currency, Type } from '@prisma/client';
+import { Currency, DataSource, Type } from '@prisma/client';
 import { IsISO8601, IsNumber, IsString, ValidateIf } from 'class-validator';
 
 export class CreateOrderDto {
@@ -8,6 +8,9 @@ export class CreateOrderDto {
   @IsString()
   currency: Currency;
 
+  @IsString()
+  dataSource: DataSource;
+
   @IsISO8601()
   date: string;
 
diff --git a/apps/api/src/app/order/update-order.dto.ts b/apps/api/src/app/order/update-order.dto.ts
index 8d278e589..26f1fa08d 100644
--- a/apps/api/src/app/order/update-order.dto.ts
+++ b/apps/api/src/app/order/update-order.dto.ts
@@ -1,4 +1,4 @@
-import { Currency, Type } from '@prisma/client';
+import { Currency, DataSource, Type } from '@prisma/client';
 import { IsISO8601, IsNumber, IsString, ValidateIf } from 'class-validator';
 
 export class UpdateOrderDto {
@@ -8,6 +8,9 @@ export class UpdateOrderDto {
   @IsString()
   currency: Currency;
 
+  @IsString()
+  dataSource: DataSource;
+
   @IsISO8601()
   date: string;
 
diff --git a/apps/api/src/app/portfolio/interfaces/portfolio-position-detail.interface.ts b/apps/api/src/app/portfolio/interfaces/portfolio-position-detail.interface.ts
index 0ff0ec0c3..c3848729b 100644
--- a/apps/api/src/app/portfolio/interfaces/portfolio-position-detail.interface.ts
+++ b/apps/api/src/app/portfolio/interfaces/portfolio-position-detail.interface.ts
@@ -1,6 +1,8 @@
+import { Currency } from '@prisma/client';
+
 export interface PortfolioPositionDetail {
   averagePrice: number;
-  currency: string;
+  currency: Currency;
   firstBuyDate: string;
   grossPerformance: number;
   grossPerformancePercent: number;
diff --git a/apps/api/src/app/symbol/interfaces/symbol-item.interface.ts b/apps/api/src/app/symbol/interfaces/symbol-item.interface.ts
index ecf95559d..fb18a2211 100644
--- a/apps/api/src/app/symbol/interfaces/symbol-item.interface.ts
+++ b/apps/api/src/app/symbol/interfaces/symbol-item.interface.ts
@@ -1,6 +1,7 @@
-import { Currency } from '@prisma/client';
+import { Currency, DataSource } from '@prisma/client';
 
 export interface SymbolItem {
   currency: Currency;
+  dataSource: DataSource;
   marketPrice: number;
 }
diff --git a/apps/api/src/app/symbol/symbol.service.ts b/apps/api/src/app/symbol/symbol.service.ts
index 611c91f38..9da9488b9 100644
--- a/apps/api/src/app/symbol/symbol.service.ts
+++ b/apps/api/src/app/symbol/symbol.service.ts
@@ -18,9 +18,10 @@ export class SymbolService {
 
   public async get(aSymbol: string): Promise<SymbolItem> {
     const response = await this.dataProviderService.get([aSymbol]);
-    const { currency, marketPrice } = response[aSymbol];
+    const { currency, dataSource, marketPrice } = response[aSymbol];
 
     return {
+      dataSource,
       marketPrice,
       currency: <Currency>(<unknown>currency)
     };
diff --git a/apps/api/src/services/data-provider/ghostfolio-scraper-api/ghostfolio-scraper-api.service.ts b/apps/api/src/services/data-provider/ghostfolio-scraper-api/ghostfolio-scraper-api.service.ts
index f848ffe7a..be3c961b2 100644
--- a/apps/api/src/services/data-provider/ghostfolio-scraper-api/ghostfolio-scraper-api.service.ts
+++ b/apps/api/src/services/data-provider/ghostfolio-scraper-api/ghostfolio-scraper-api.service.ts
@@ -1,3 +1,4 @@
+import { DataSource } from '.prisma/client';
 import { getYesterday } from '@ghostfolio/helper';
 import { Injectable } from '@nestjs/common';
 import * as bent from 'bent';
@@ -45,6 +46,7 @@ export class GhostfolioScraperApiService implements DataProviderInterface {
         [symbol]: {
           marketPrice,
           currency: scraperConfig?.currency,
+          dataSource: DataSource.GHOSTFOLIO,
           marketState: MarketState.delayed,
           name: scraperConfig?.name
         }
diff --git a/apps/api/src/services/data-provider/rakuten-rapid-api/rakuten-rapid-api.service.ts b/apps/api/src/services/data-provider/rakuten-rapid-api/rakuten-rapid-api.service.ts
index bec82d881..f45e85fc7 100644
--- a/apps/api/src/services/data-provider/rakuten-rapid-api/rakuten-rapid-api.service.ts
+++ b/apps/api/src/services/data-provider/rakuten-rapid-api/rakuten-rapid-api.service.ts
@@ -1,3 +1,4 @@
+import { DataSource } from '.prisma/client';
 import { getToday, getYesterday } from '@ghostfolio/helper';
 import { Injectable } from '@nestjs/common';
 import * as bent from 'bent';
@@ -39,6 +40,7 @@ export class RakutenRapidApiService implements DataProviderInterface {
         return {
           'GF.FEAR_AND_GREED_INDEX': {
             currency: undefined,
+            dataSource: DataSource.RAKUTEN,
             marketPrice: fgi.now.value,
             marketState: MarketState.open,
             name: RakutenRapidApiService.FEAR_AND_GREED_INDEX_NAME
diff --git a/apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts b/apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts
index ef15f99d4..90f9da459 100644
--- a/apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts
+++ b/apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts
@@ -1,3 +1,4 @@
+import { DataSource } from '.prisma/client';
 import { isCrypto, isCurrency, parseCurrency } from '@ghostfolio/helper';
 import { Injectable } from '@nestjs/common';
 import { format } from 'date-fns';
@@ -49,6 +50,7 @@ export class YahooFinanceService implements DataProviderInterface {
 
         response[symbol] = {
           currency: parseCurrency(value.price?.currency),
+          dataSource: DataSource.YAHOO,
           exchange: this.parseExchange(value.price?.exchangeName),
           marketState:
             value.price?.marketState === 'REGULAR' || isCrypto(symbol)
diff --git a/apps/api/src/services/interfaces/interfaces.ts b/apps/api/src/services/interfaces/interfaces.ts
index 8da86143b..62e69fa4f 100644
--- a/apps/api/src/services/interfaces/interfaces.ts
+++ b/apps/api/src/services/interfaces/interfaces.ts
@@ -1,4 +1,4 @@
-import { Currency, Platform } from '@prisma/client';
+import { Currency, DataSource, Platform } from '@prisma/client';
 
 import { OrderType } from '../../models/order-type';
 
@@ -51,6 +51,7 @@ export interface IDataProviderHistoricalResponse {
 
 export interface IDataProviderResponse {
   currency: Currency;
+  dataSource: DataSource;
   exchange?: string;
   industry?: Industry;
   marketChange?: number;
diff --git a/apps/client/src/app/pages/transactions/create-or-update-transaction-dialog/create-or-update-transaction-dialog.component.ts b/apps/client/src/app/pages/transactions/create-or-update-transaction-dialog/create-or-update-transaction-dialog.component.ts
index 5785f740c..e1b30a8ef 100644
--- a/apps/client/src/app/pages/transactions/create-or-update-transaction-dialog/create-or-update-transaction-dialog.component.ts
+++ b/apps/client/src/app/pages/transactions/create-or-update-transaction-dialog/create-or-update-transaction-dialog.component.ts
@@ -78,8 +78,9 @@ export class CreateOrUpdateTransactionDialog {
     this.dataService
       .fetchSymbolItem(this.data.transaction.symbol)
       .pipe(takeUntil(this.unsubscribeSubject))
-      .subscribe(({ currency, marketPrice }) => {
+      .subscribe(({ currency, dataSource, marketPrice }) => {
         this.data.transaction.currency = currency;
+        this.data.transaction.dataSource = dataSource;
         this.data.transaction.unitPrice = marketPrice;
 
         this.isLoading = false;
@@ -90,6 +91,7 @@ export class CreateOrUpdateTransactionDialog {
 
   public onUpdateSymbolByTyping(value: string) {
     this.data.transaction.currency = null;
+    this.data.transaction.dataSource = null;
     this.data.transaction.unitPrice = null;
 
     this.data.transaction.symbol = value;
diff --git a/apps/client/src/app/pages/transactions/create-or-update-transaction-dialog/create-or-update-transaction-dialog.html b/apps/client/src/app/pages/transactions/create-or-update-transaction-dialog/create-or-update-transaction-dialog.html
index 8ee43c7ec..829be07c7 100644
--- a/apps/client/src/app/pages/transactions/create-or-update-transaction-dialog/create-or-update-transaction-dialog.html
+++ b/apps/client/src/app/pages/transactions/create-or-update-transaction-dialog/create-or-update-transaction-dialog.html
@@ -58,6 +58,18 @@
         </mat-select>
       </mat-form-field>
     </div>
+    <div class="d-none">
+      <mat-form-field appearance="outline" class="w-100">
+        <mat-label i18n>Data Source</mat-label>
+        <input
+          disabled
+          matInput
+          name="dataSource"
+          required
+          [(ngModel)]="data.transaction.dataSource"
+        />
+      </mat-form-field>
+    </div>
     <div>
       <mat-form-field appearance="outline" class="w-100">
         <mat-label i18n>Date</mat-label>
@@ -113,6 +125,7 @@
       <mat-form-field appearance="outline" class="w-100">
         <mat-label i18n>Account</mat-label>
         <mat-select
+          disabled
           name="accountId"
           required
           [(value)]="data.transaction.accountId"
diff --git a/apps/client/src/app/pages/transactions/interfaces/order.interface.ts b/apps/client/src/app/pages/transactions/interfaces/order.interface.ts
index 614792e51..fcdf273b1 100644
--- a/apps/client/src/app/pages/transactions/interfaces/order.interface.ts
+++ b/apps/client/src/app/pages/transactions/interfaces/order.interface.ts
@@ -1,6 +1,9 @@
+import { Currency, DataSource } from '.prisma/client';
+
 export interface Order {
   accountId: string;
-  currency: string;
+  currency: Currency;
+  dataSource: DataSource;
   date: Date;
   fee: number;
   id: string;
diff --git a/apps/client/src/app/pages/transactions/transactions-page.component.ts b/apps/client/src/app/pages/transactions/transactions-page.component.ts
index 2996a539c..10b522316 100644
--- a/apps/client/src/app/pages/transactions/transactions-page.component.ts
+++ b/apps/client/src/app/pages/transactions/transactions-page.component.ts
@@ -125,6 +125,7 @@ export class TransactionsPageComponent implements OnInit {
   public openUpdateTransactionDialog({
     accountId,
     currency,
+    dataSource,
     date,
     fee,
     id,
@@ -140,6 +141,7 @@ export class TransactionsPageComponent implements OnInit {
         transaction: {
           accountId,
           currency,
+          dataSource,
           date,
           fee,
           id,
@@ -177,9 +179,9 @@ export class TransactionsPageComponent implements OnInit {
   private openCreateTransactionDialog(): void {
     const dialogRef = this.dialog.open(CreateOrUpdateTransactionDialog, {
       data: {
-        accounts: this.user.accounts,
+        accounts: this.user?.accounts,
         transaction: {
-          accountId: this.user.accounts.find((account) => {
+          accountId: this.user?.accounts.find((account) => {
             return account.isDefault;
           })?.id,
           currency: null,
diff --git a/package.json b/package.json
index b007d9d93..15c528c30 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ghostfolio",
-  "version": "0.94.0",
+  "version": "0.95.0",
   "homepage": "https://ghostfol.io",
   "license": "AGPL-3.0",
   "scripts": {
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 03cf1eaaa..43d688c3b 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -59,22 +59,23 @@ model MarketData {
 }
 
 model Order {
-  Account       Account?  @relation(fields: [accountId, accountUserId], references: [id, userId])
+  Account       Account?   @relation(fields: [accountId, accountUserId], references: [id, userId])
   accountId     String?
   accountUserId String?
-  createdAt     DateTime  @default(now())
+  createdAt     DateTime   @default(now())
   currency      Currency
+  dataSource    DataSource @default(YAHOO)
   date          DateTime
   fee           Float
-  id            String    @default(uuid())
-  Platform      Platform? @relation(fields: [platformId], references: [id])
+  id            String     @default(uuid())
+  Platform      Platform?  @relation(fields: [platformId], references: [id])
   platformId    String?
   quantity      Float
   symbol        String
   type          Type
   unitPrice     Float
-  updatedAt     DateTime  @updatedAt
-  User          User      @relation(fields: [userId], references: [id])
+  updatedAt     DateTime   @updatedAt
+  User          User       @relation(fields: [userId], references: [id])
   userId        String
 
   @@id([id, userId])
@@ -128,6 +129,12 @@ enum Currency {
   USD
 }
 
+enum DataSource {
+  GHOSTFOLIO
+  RAKUTEN
+  YAHOO
+}
+
 enum Provider {
   ANONYMOUS
   GOOGLE