diff --git a/YLErpWeb/fe-tests/swapPrecisionConfig.test.js b/YLErpWeb/fe-tests/swapPrecisionConfig.test.js
index 84036a43..42e7dba5 100644
--- a/YLErpWeb/fe-tests/swapPrecisionConfig.test.js
+++ b/YLErpWeb/fe-tests/swapPrecisionConfig.test.js
@@ -135,6 +135,13 @@ describe('swap price precision common wiring', () => {
         expect(helper.getCommonInputFormat('quantity', { append: '' }).grouping).toBe(false);
     });
 
+    test('quantity display can trim trailing zeros without changing configured precision', () => {
+        const helper = loadHelper({ common: { quantity: { precision: 8, grouping: true } } });
+        expect(helper.formatCommon('quantity', '10000.12345600', { trimTailZeros: true }))
+            .toBe('10,000.123456');
+        expect(helper.formatCommon('quantity', '10000.12345600')).toBe('10,000.12345600');
+    });
+
     test('missing or invalid asset quantity precision falls back to common quantity precision', () => {
         const helper = loadHelper({
             common: { quantity: { precision: 3, grouping: true } },
diff --git a/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapPricePrecisionHelper.js b/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapPricePrecisionHelper.js
index 3fcd3603..f3ed4f16 100644
--- a/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapPricePrecisionHelper.js
+++ b/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapPricePrecisionHelper.js
@@ -244,7 +244,10 @@ var swapPricePrecision = (function (global) {
         const formatted = formatFixed(displayValue, rule.precision);
         if (!formatted) return '';
         const grouping = options && options.grouping !== undefined ? !!options.grouping : rule.grouping;
-        const text = grouping ? groupDecimal(formatted) : formatted;
+        const trimmed = options && options.trimTailZeros === true
+            ? formatted.replace(/(\.\d*?[1-9])0+$/, '$1').replace(/\.0+$/, '')
+            : formatted;
+        const text = grouping ? groupDecimal(trimmed) : trimmed;
         return kind === 'rate' ? text + '%' : text;
     }
 
diff --git a/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapTradeView.js b/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapTradeView.js
index c6ad4bac..0cd7bc04 100644
--- a/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapTradeView.js
+++ b/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapTradeView.js
@@ -14,7 +14,8 @@ function formatSwapCommonElements() {
         this.textContent = swapPricePrecision.formatCommon(
             this.dataset.kind,
             this.dataset.value,
-            this.dataset.instrumentType);
+            this.dataset.instrumentType,
+            this.dataset.kind === 'quantity' ? { trimTailZeros: true } : undefined);
     });
 }