diff --git a/web/src/App.tsx b/web/src/App.tsx
index fbdcb5ff..412d8f16 100644
--- a/web/src/App.tsx
+++ b/web/src/App.tsx
@@ -322,10 +322,7 @@ function App() {
 
   const selectedTrader = traders?.find((t) => t.trader_id === selectedTraderId)
 
-  // When polling has permanently failed, provide zero-value data instead of keeping skeleton
-  const effectiveAccount = (accountPollOff && !account)
-    ? { total_equity: 0, available_balance: 0, total_pnl: 0, total_pnl_pct: 0, position_count: 0, margin_used: 0, margin_used_pct: 0 } as AccountInfo
-    : account
+  const effectiveAccount = account
   const effectivePositions = (positionsPollOff && !positions) ? [] as Position[] : positions
   const effectiveDecisions = (decisionsPollOff && !decisions) ? [] as DecisionRecord[] : decisions
 
@@ -545,6 +542,7 @@ function App() {
                 selectedTrader={selectedTrader}
                 status={status}
                 account={effectiveAccount}
+                accountFailed={accountPollOff}
                 positions={effectivePositions}
                 decisions={effectiveDecisions}
                 decisionsLimit={decisionsLimit}
diff --git a/web/src/pages/TraderDashboardPage.tsx b/web/src/pages/TraderDashboardPage.tsx
index b5f9e9d6..ff7386bf 100644
--- a/web/src/pages/TraderDashboardPage.tsx
+++ b/web/src/pages/TraderDashboardPage.tsx
@@ -103,6 +103,7 @@ interface TraderDashboardPageProps {
     onNavigateToTraders: () => void
     status?: SystemStatus
     account?: AccountInfo
+    accountFailed?: boolean
     positions?: Position[]
     decisions?: DecisionRecord[]
     decisionsLimit: number
@@ -117,6 +118,7 @@ export function TraderDashboardPage({
     selectedTrader,
     status,
     account,
+    accountFailed,
     positions,
     decisions,
     decisionsLimit,
@@ -488,6 +490,12 @@ export function TraderDashboardPage({
                             <span>EQ::{account.total_equity?.toFixed(2)}</span>
                             <span>PNL::{account.total_pnl?.toFixed(2)}</span>
                         </div>
+                    ) : accountFailed ? (
+                        <div className="flex gap-4">
+                            <span>LAST_UPDATE::--</span>
+                            <span>EQ::--</span>
+                            <span>PNL::--</span>
+                        </div>
                     ) : (
                         <div className="flex gap-4">
                             <span className="inline-block w-32 h-3 rounded bg-white/5 animate-pulse" />
@@ -501,37 +509,37 @@ export function TraderDashboardPage({
                 <div className="grid grid-cols-2 md:grid-cols-4 gap-4 mb-8">
                     <StatCard
                         title={t('totalEquity', language)}
-                        value={`${account?.total_equity?.toFixed(2) || '0.00'}`}
+                        value={accountFailed && !account ? '--' : `${account?.total_equity?.toFixed(2) ?? '--'}`}
                         unit="USDT"
-                        change={account?.total_pnl_pct || 0}
+                        change={account ? (account.total_pnl_pct || 0) : undefined}
                         positive={(account?.total_pnl ?? 0) > 0}
                         icon="💰"
-                        loading={!account}
+                        loading={!account && !accountFailed}
                     />
                     <StatCard
                         title={t('availableBalance', language)}
-                        value={`${account?.available_balance?.toFixed(2) || '0.00'}`}
+                        value={accountFailed && !account ? '--' : `${account?.available_balance?.toFixed(2) ?? '--'}`}
                         unit="USDT"
-                        subtitle={`${account?.available_balance && account?.total_equity ? ((account.available_balance / account.total_equity) * 100).toFixed(1) : '0.0'}% ${t('free', language)}`}
+                        subtitle={accountFailed && !account ? '--' : `${account?.available_balance && account?.total_equity ? ((account.available_balance / account.total_equity) * 100).toFixed(1) : '--'}% ${t('free', language)}`}
                         icon="💳"
-                        loading={!account}
+                        loading={!account && !accountFailed}
                     />
                     <StatCard
                         title={t('totalPnL', language)}
-                        value={`${account?.total_pnl !== undefined && account.total_pnl >= 0 ? '+' : ''}${account?.total_pnl?.toFixed(2) || '0.00'}`}
+                        value={accountFailed && !account ? '--' : `${account?.total_pnl !== undefined && account.total_pnl >= 0 ? '+' : ''}${account?.total_pnl?.toFixed(2) ?? '--'}`}
                         unit="USDT"
-                        change={account?.total_pnl_pct || 0}
+                        change={account ? (account.total_pnl_pct || 0) : undefined}
                         positive={(account?.total_pnl ?? 0) >= 0}
                         icon="📈"
-                        loading={!account}
+                        loading={!account && !accountFailed}
                     />
                     <StatCard
                         title={t('positions', language)}
-                        value={`${account?.position_count || 0}`}
+                        value={accountFailed && !account ? '--' : `${account?.position_count ?? '--'}`}
                         unit="ACTIVE"
-                        subtitle={`${t('margin', language)}: ${account?.margin_used_pct?.toFixed(1) || '0.0'}%`}
+                        subtitle={accountFailed && !account ? `${t('margin', language)}: --` : `${t('margin', language)}: ${account?.margin_used_pct?.toFixed(1) ?? '--'}%`}
                         icon="📊"
-                        loading={!account}
+                        loading={!account && !accountFailed}
                     />
                 </div>