diff --git a/app/components/FundCard.jsx b/app/components/FundCard.jsx
index b8e023a..7da4016 100644
--- a/app/components/FundCard.jsx
+++ b/app/components/FundCard.jsx
@@ -53,6 +53,7 @@ export default function FundCard({
   dcaPlans,
   holdings,
   percentModes,
+  todayPercentModes,
   valuationSeries,
   collapsedCodes,
   collapsedTrends,
@@ -67,6 +68,7 @@ export default function FundCard({
   onHoldingClick,
   onActionClick,
   onPercentModeToggle,
+  onTodayPercentModeToggle,
   onToggleCollapse,
   onToggleTrendCollapse,
   layoutMode = 'card', // 'card' | 'drawer'，drawer 时前10重仓与业绩走势以 Tabs 展示
@@ -281,8 +283,28 @@ export default function FundCard({
                 </div>
               );
             })()}
-            <div className="stat" style={{ flexDirection: 'column', gap: 4 }}>
-              <span className="label">当日收益</span>
+            <div
+              className="stat"
+              onClick={(e) => {
+                e.stopPropagation();
+                if (profit.profitToday != null) {
+                  onTodayPercentModeToggle?.(f.code);
+                }
+              }}
+              style={{
+                cursor: profit.profitToday != null ? 'pointer' : 'default',
+                flexDirection: 'column',
+                gap: 4,
+              }}
+              title={profit.profitToday != null ? '点击切换金额/百分比' : ''}
+            >
+              <span
+                className="label"
+                style={{ display: 'flex', alignItems: 'center', gap: 1 }}
+              >
+                当日收益{todayPercentModes?.[f.code] ? '(%)' : ''}
+                {profit.profitToday != null && <SwitchIcon />}
+              </span>
               <span
                 className={`value ${
                   profit.profitToday != null
@@ -297,7 +319,16 @@ export default function FundCard({
                 {profit.profitToday != null
                   ? masked
                     ? '******'
-                    : `${profit.profitToday > 0 ? '+' : profit.profitToday < 0 ? '-' : ''}¥${Math.abs(profit.profitToday).toFixed(2)}`
+                    : <>
+                        {profit.profitToday > 0 ? '+' : profit.profitToday < 0 ? '-' : ''}
+                        {todayPercentModes?.[f.code]
+                          ? `${Math.abs(
+                              holding?.cost * holding?.share
+                                ? (profit.profitToday / (holding.cost * holding.share)) * 100
+                                : 0,
+                            ).toFixed(2)}%`
+                          : `¥${Math.abs(profit.profitToday).toFixed(2)}`}
+                      </>
                   : '--'}
               </span>
             </div>
diff --git a/app/components/GroupSummary.jsx b/app/components/GroupSummary.jsx
index 88ab1fe..706d91b 100644
--- a/app/components/GroupSummary.jsx
+++ b/app/components/GroupSummary.jsx
@@ -64,6 +64,7 @@ export default function GroupSummary({
   navbarHeight
 }) {
   const [showPercent, setShowPercent] = useState(true);
+  const [showTodayPercent, setShowTodayPercent] = useState(false);
   const [isMasked, setIsMasked] = useState(masked ?? false);
   const rowRef = useRef(null);
   const [assetSize, setAssetSize] = useState(24);
@@ -137,6 +138,7 @@ export default function GroupSummary({
     const roundedTotalProfitToday = Math.round(totalProfitToday * 100) / 100;
 
     const returnRate = totalCost > 0 ? (totalHoldingReturn / totalCost) * 100 : 0;
+    const todayReturnRate = totalCost > 0 ? (roundedTotalProfitToday / totalCost) * 100 : 0;
 
     return {
       totalAsset,
@@ -144,6 +146,7 @@ export default function GroupSummary({
       totalHoldingReturn,
       hasHolding,
       returnRate,
+      todayReturnRate,
       hasAnyTodayData,
     };
   }, [funds, holdings, getProfit]);
@@ -277,9 +280,17 @@ export default function GroupSummary({
             <div style={{ textAlign: 'right' }}>
               <div
                 className="muted"
-                style={{ fontSize: '12px', marginBottom: 4 }}
+                style={{
+                  fontSize: '12px',
+                  marginBottom: 4,
+                  display: 'flex',
+                  justifyContent: 'flex-end',
+                  alignItems: 'center',
+                  gap: 2,
+                }}
               >
-                当日收益
+                当日收益{showTodayPercent ? '(%)' : ''}{' '}
+                <SwitchIcon style={{ opacity: 0.4 }} />
               </div>
               <div
                 className={
@@ -295,7 +306,10 @@ export default function GroupSummary({
                   fontSize: '18px',
                   fontWeight: 700,
                   fontFamily: 'var(--font-mono)',
+                  cursor: summary.hasAnyTodayData ? 'pointer' : 'default',
                 }}
+                onClick={() => summary.hasAnyTodayData && setShowTodayPercent(!showTodayPercent)}
+                title="点击切换金额/百分比"
               >
                 {isMasked ? (
                   <span className="mask-text" style={{ fontSize: metricSize }}>
@@ -310,10 +324,18 @@ export default function GroupSummary({
                           ? '-'
                           : ''}
                     </span>
-                    <CountUp
-                      value={Math.abs(summary.totalProfitToday)}
-                      style={{ fontSize: metricSize }}
-                    />
+                    {showTodayPercent ? (
+                      <CountUp
+                        value={Math.abs(summary.todayReturnRate)}
+                        suffix="%"
+                        style={{ fontSize: metricSize }}
+                      />
+                    ) : (
+                      <CountUp
+                        value={Math.abs(summary.totalProfitToday)}
+                        style={{ fontSize: metricSize }}
+                      />
+                    )}
                   </>
                 ) : (
                   <span style={{ fontSize: metricSize }}>--</span>
diff --git a/app/page.jsx b/app/page.jsx
index 1cc6be9..8c2b68b 100644
--- a/app/page.jsx
+++ b/app/page.jsx
@@ -442,6 +442,7 @@ export default function HomePage() {
   const [historyModal, setHistoryModal] = useState({ open: false, fund: null });
   const [addHistoryModal, setAddHistoryModal] = useState({ open: false, fund: null });
   const [percentModes, setPercentModes] = useState({}); // { [code]: boolean }
+  const [todayPercentModes, setTodayPercentModes] = useState({}); // { [code]: boolean }
 
   const holdingsRef = useRef(holdings);
   const pendingTradesRef = useRef(pendingTrades);
@@ -4334,7 +4335,9 @@ export default function HomePage() {
                                     favorites,
                                     dcaPlans,
                                     holdings,
-                                    percentModes,
+                            percentModes,
+                            todayPercentModes,
+                                    todayPercentModes,
                                     valuationSeries,
                                     collapsedCodes,
                                     collapsedTrends,
@@ -4350,6 +4353,8 @@ export default function HomePage() {
                                     onActionClick: (f) => setActionModal({ open: true, fund: f }),
                                     onPercentModeToggle: (code) =>
                                       setPercentModes((prev) => ({ ...prev, [code]: !prev[code] })),
+                                    onTodayPercentModeToggle: (code) =>
+                                      setTodayPercentModes((prev) => ({ ...prev, [code]: !prev[code] })),
                                     onToggleCollapse: toggleCollapse,
                                     onToggleTrendCollapse: toggleTrendCollapse,
                                     masked: maskAmounts,
@@ -4426,6 +4431,8 @@ export default function HomePage() {
                             onActionClick: (f) => setActionModal({ open: true, fund: f }),
                             onPercentModeToggle: (code) =>
                               setPercentModes((prev) => ({ ...prev, [code]: !prev[code] })),
+                            onTodayPercentModeToggle: (code) =>
+                              setTodayPercentModes((prev) => ({ ...prev, [code]: !prev[code] })),
                             onToggleCollapse: toggleCollapse,
                             onToggleTrendCollapse: toggleTrendCollapse,
                             masked: maskAmounts,
@@ -4455,6 +4462,7 @@ export default function HomePage() {
                               dcaPlans={dcaPlans}
                               holdings={holdings}
                               percentModes={percentModes}
+                              todayPercentModes={todayPercentModes}
                               valuationSeries={valuationSeries}
                               collapsedCodes={collapsedCodes}
                               collapsedTrends={collapsedTrends}
@@ -4471,6 +4479,9 @@ export default function HomePage() {
                               onPercentModeToggle={(code) =>
                                 setPercentModes((prev) => ({ ...prev, [code]: !prev[code] }))
                               }
+                              onTodayPercentModeToggle={(code) =>
+                                setTodayPercentModes((prev) => ({ ...prev, [code]: !prev[code] }))
+                              }
                               onToggleCollapse={toggleCollapse}
                               onToggleTrendCollapse={toggleTrendCollapse}
                               masked={maskAmounts}