diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e65772d..32623c52 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added a new static portfolio analysis rule: _Regional Market Cluster Risk_ (Japan)
 - Extended the tags selector component by a `readonly` attribute
 - Extended the tags selector component to support creating custom tags
+- Extended the holding detail dialog by the historical market data editor (experimental)
 - Added global styles to the _Storybook_ setup
 
 ### Changed
diff --git a/apps/api/src/app/user/user.service.ts b/apps/api/src/app/user/user.service.ts
index 7665e43d..30d10c8d 100644
--- a/apps/api/src/app/user/user.service.ts
+++ b/apps/api/src/app/user/user.service.ts
@@ -346,7 +346,10 @@ export class UserService {
           currentPermissions,
           permissions.accessHoldingsChart,
           permissions.createAccess,
-          permissions.readAiPrompt
+          permissions.createMarketDataOfOwnAssetProfile,
+          permissions.readAiPrompt,
+          permissions.readMarketDataOfOwnAssetProfile,
+          permissions.updateMarketDataOfOwnAssetProfile
         );
 
         // Reset benchmark
diff --git a/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.component.ts b/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.component.ts
index 297a990e..4f7e4efd 100644
--- a/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.component.ts
+++ b/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.component.ts
@@ -13,8 +13,10 @@ import {
   LineChartItem,
   User
 } from '@ghostfolio/common/interfaces';
+import { hasPermission, permissions } from '@ghostfolio/common/permissions';
 import { GfActivitiesTableComponent } from '@ghostfolio/ui/activities-table';
 import { GfDataProviderCreditsComponent } from '@ghostfolio/ui/data-provider-credits';
+import { GfHistoricalMarketDataEditorComponent } from '@ghostfolio/ui/historical-market-data-editor';
 import { translate } from '@ghostfolio/ui/i18n';
 import { GfLineChartComponent } from '@ghostfolio/ui/line-chart';
 import { GfPortfolioProportionChartComponent } from '@ghostfolio/ui/portfolio-proportion-chart';
@@ -44,7 +46,7 @@ import { SortDirection } from '@angular/material/sort';
 import { MatTableDataSource } from '@angular/material/table';
 import { MatTabsModule } from '@angular/material/tabs';
 import { Router } from '@angular/router';
-import { Account, Tag } from '@prisma/client';
+import { Account, MarketData, Tag } from '@prisma/client';
 import { format, isSameMonth, isToday, parseISO } from 'date-fns';
 import { NgxSkeletonLoaderModule } from 'ngx-skeleton-loader';
 import { Subject } from 'rxjs';
@@ -62,6 +64,7 @@ import { HoldingDetailDialogParams } from './interfaces/interfaces';
     GfDataProviderCreditsComponent,
     GfDialogFooterModule,
     GfDialogHeaderModule,
+    GfHistoricalMarketDataEditorComponent,
     GfLineChartComponent,
     GfPortfolioProportionChartComponent,
     GfTagsSelectorComponent,
@@ -95,9 +98,11 @@ export class GfHoldingDetailDialogComponent implements OnDestroy, OnInit {
   public dividendYieldPercentWithCurrencyEffect: number;
   public feeInBaseCurrency: number;
   public firstBuyDate: string;
+  public hasPermissionToReadMarketDataOfOwnAssetProfile: boolean;
   public historicalDataItems: LineChartItem[];
   public investment: number;
   public investmentPrecision = 2;
+  public marketDataItems: MarketData[] = [];
   public marketPrice: number;
   public maxPrice: number;
   public minPrice: number;
@@ -231,6 +236,14 @@ export class GfHoldingDetailDialogComponent implements OnDestroy, OnInit {
           this.feeInBaseCurrency = feeInBaseCurrency;
           this.firstBuyDate = firstBuyDate;
 
+          this.hasPermissionToReadMarketDataOfOwnAssetProfile =
+            hasPermission(
+              this.user?.permissions,
+              permissions.readMarketDataOfOwnAssetProfile
+            ) &&
+            SymbolProfile?.dataSource === 'MANUAL' &&
+            SymbolProfile?.userId === this.user?.id;
+
           this.historicalDataItems = historicalData.map(
             ({ averagePrice, date, marketPrice }) => {
               this.benchmarkDataItems.push({
@@ -393,6 +406,10 @@ export class GfHoldingDetailDialogComponent implements OnDestroy, OnInit {
             }
           );
 
+          if (this.hasPermissionToReadMarketDataOfOwnAssetProfile) {
+            this.fetchMarketData();
+          }
+
           this.changeDetectorRef.markForCheck();
         }
       );
@@ -448,6 +465,12 @@ export class GfHoldingDetailDialogComponent implements OnDestroy, OnInit {
       });
   }
 
+  public onMarketDataChanged(withRefresh = false) {
+    if (withRefresh) {
+      this.fetchMarketData();
+    }
+  }
+
   public onTagsChanged(tags: Tag[]) {
     this.activityForm.get('tags').setValue(tags);
   }
@@ -464,4 +487,27 @@ export class GfHoldingDetailDialogComponent implements OnDestroy, OnInit {
     this.unsubscribeSubject.next();
     this.unsubscribeSubject.complete();
   }
+
+  private fetchMarketData() {
+    this.dataService
+      .fetchMarketDataBySymbol({
+        dataSource: this.data.dataSource,
+        symbol: this.data.symbol
+      })
+      .pipe(takeUntil(this.unsubscribeSubject))
+      .subscribe(({ marketData }) => {
+        this.marketDataItems = marketData;
+
+        this.historicalDataItems = this.marketDataItems.map(
+          ({ date, marketPrice }) => {
+            return {
+              date: format(date, DATE_FORMAT),
+              value: marketPrice
+            };
+          }
+        );
+
+        this.changeDetectorRef.markForCheck();
+      });
+  }
 }
diff --git a/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html b/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html
index d820ddf7..e7b3cc1b 100644
--- a/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html
+++ b/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html
@@ -364,6 +364,27 @@
           [showValueInBaseCurrency]="false"
         />
       </mat-tab>
+      @if (
+        hasPermissionToReadMarketDataOfOwnAssetProfile &&
+        user?.settings?.isExperimentalFeatures
+      ) {
+        <mat-tab>
+          <ng-template mat-tab-label>
+            <ion-icon name="server-outline" />
+            <div class="d-none d-sm-block ml-2" i18n>Market Data</div>
+          </ng-template>
+          <gf-historical-market-data-editor
+            [currency]="SymbolProfile?.currency"
+            [dataSource]="SymbolProfile?.dataSource"
+            [dateOfFirstActivity]="firstBuyDate"
+            [locale]="data.locale"
+            [marketData]="marketDataItems"
+            [symbol]="SymbolProfile?.symbol"
+            [user]="user"
+            (marketDataChanged)="onMarketDataChanged($event)"
+          />
+        </mat-tab>
+      }
     </mat-tab-group>
 
     <gf-tags-selector
diff --git a/libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor.component.html b/libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor.component.html
index b35e1d81..b72ba15f 100644
--- a/libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor.component.html
+++ b/libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor.component.html
@@ -48,6 +48,7 @@
           cdkTextareaAutosize
           formControlName="csvString"
           matInput
+          rows="2"
           type="text"
           (keyup.enter)="$event.stopPropagation()"
         ></textarea>