fix: preserve cryptocurrency quantity precision

CHANGELOG.md

@@ -18,6 +18,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Improved the style of the close button in the dialog header component
 - Upgraded `prettier` from version `3.9.9` to `3.9.10`
 
+### Fixed
+
+- Fixed the precision of cryptocurrency quantities in the holdings table
+
 ## 3.90.0 - 2026-10-21
 
 ### Changed

libs/ui/src/lib/holdings-table/holdings-table.component.html

@@ -101,9 +101,9 @@
       >
         <div class="d-flex justify-content-end">
           <gf-value
-            [isCurrency]="true"
             [isLoading]="isLoading()"
             [locale]="locale()"
+            [precision]="getQuantityPrecision(element)"
             [value]="element.quantity"
           />
         </div>

libs/ui/src/lib/holdings-table/holdings-table.component.ts

@@ -29,6 +29,7 @@ import { NgxSkeletonLoaderModule } from 'ngx-skeleton-loader';
 import { GfEntityLogoComponent } from '../entity-logo/entity-logo.component';
 import { GfValueComponent } from '../value/value.component';
 import { HoldingsTableItem } from './interfaces/interfaces';
+import { getHoldingQuantityPrecision } from './quantity-precision';
 
 @Component({
   changeDetection: ChangeDetectionStrategy.OnPush,
@@ -144,6 +145,10 @@ export class GfHoldingsTableComponent {
       : '';
   }
 
+  protected getQuantityPrecision(holding: HoldingsTableItem): number {
+    return getHoldingQuantityPrecision(holding);
+  }
+
   protected onOpenHoldingDialog({
     dataSource,
     symbol

libs/ui/src/lib/holdings-table/quantity-precision.spec.ts

@@ -0,0 +1,51 @@
+import { AssetSubClass } from '@ghostfolio/prisma/enums';
+
+import { HoldingsTableItem } from './interfaces/interfaces';
+import { getHoldingQuantityPrecision } from './quantity-precision';
+
+function createHolding(
+  quantity: number | undefined,
+  assetSubClass: AssetSubClass
+): Pick<HoldingsTableItem, 'assetProfile' | 'quantity'> {
+  return {
+    assetProfile: { assetSubClass } as HoldingsTableItem['assetProfile'],
+    quantity
+  };
+}
+
+describe('getHoldingQuantityPrecision', () => {
+  it('preserves satoshi precision for fractional cryptocurrency quantities', () => {
+    expect(
+      getHoldingQuantityPrecision(
+        createHolding(0.01525217, AssetSubClass.CRYPTOCURRENCY)
+      )
+    ).toBe(8);
+    expect(
+      getHoldingQuantityPrecision(
+        createHolding(10.12345678, AssetSubClass.CRYPTOCURRENCY)
+      )
+    ).toBe(8);
+  });
+
+  it('does not add decimal places to integer cryptocurrency quantities', () => {
+    expect(
+      getHoldingQuantityPrecision(
+        createHolding(12, AssetSubClass.CRYPTOCURRENCY)
+      )
+    ).toBe(0);
+  });
+
+  it('keeps the existing precision for non-cryptocurrency quantities', () => {
+    expect(
+      getHoldingQuantityPrecision(createHolding(12.3456, AssetSubClass.STOCK))
+    ).toBe(2);
+  });
+
+  it('does not add decimal places when the quantity is not available', () => {
+    expect(
+      getHoldingQuantityPrecision(
+        createHolding(undefined, AssetSubClass.CRYPTOCURRENCY)
+      )
+    ).toBe(0);
+  });
+});

libs/ui/src/lib/holdings-table/quantity-precision.ts

@@ -0,0 +1,18 @@
+import { AssetSubClass } from '@ghostfolio/prisma/enums';
+
+import { HoldingsTableItem } from './interfaces/interfaces';
+
+export function getHoldingQuantityPrecision({
+  assetProfile,
+  quantity
+}: Pick<HoldingsTableItem, 'assetProfile' | 'quantity'>): number {
+  if (quantity === undefined || Number.isInteger(quantity)) {
+    return 0;
+  }
+
+  if (assetProfile.assetSubClass === AssetSubClass.CRYPTOCURRENCY) {
+    return 8;
+  }
+
+  return 2;
+}