diff --git a/apps/stock/web-app/src/components/charts/Chart.tsx b/apps/stock/web-app/src/components/charts/Chart.tsx
index e22c1db..93bf99f 100644
--- a/apps/stock/web-app/src/components/charts/Chart.tsx
+++ b/apps/stock/web-app/src/components/charts/Chart.tsx
@@ -24,7 +24,7 @@ export interface TradeMarker {
 
 export interface ChartProps {
   data: ChartData[];
-  height?: number;
+  height?: number | string;
   type?: 'candlestick' | 'line' | 'area';
   showVolume?: boolean;
   theme?: 'light' | 'dark';
@@ -399,7 +399,10 @@ export function Chart({
     <div className={`relative ${className}`}>
       <div 
         ref={chartContainerRef} 
-        style={{ width: '100%', height: `${height}px` }}
+        style={{ 
+          width: '100%', 
+          height: typeof height === 'string' ? height : `${height}px` 
+        }}
       />
       <button
         onClick={resetZoom}
diff --git a/apps/stock/web-app/src/features/backtest/BacktestDetailPageV2.tsx b/apps/stock/web-app/src/features/backtest/BacktestDetailPageV2.tsx
index 1b6524c..f35fbf6 100644
--- a/apps/stock/web-app/src/features/backtest/BacktestDetailPageV2.tsx
+++ b/apps/stock/web-app/src/features/backtest/BacktestDetailPageV2.tsx
@@ -262,11 +262,13 @@ export function BacktestDetailPageV2() {
         }
         
         return (
-          <BacktestPlayback
-            key={currentRun?.id || 'no-run'} // Force remount on run change
-            result={runResults}
-            isLoading={isLoading}
-          />
+          <div className="h-full overflow-hidden">
+            <BacktestPlayback
+              key={currentRun?.id || 'no-run'} // Force remount on run change
+              result={runResults}
+              isLoading={isLoading}
+            />
+          </div>
         );
       case 'trades':
         return (
@@ -361,7 +363,7 @@ export function BacktestDetailPageV2() {
       </div>
 
       {/* Tab Content */}
-      <div className="flex-1 overflow-auto p-4">
+      <div className="flex-1 overflow-hidden py-4">
         {error && (
           <div className="mb-4 p-4 bg-error/10 border border-error/20 rounded-lg">
             <p className="text-sm text-error">{error}</p>
diff --git a/apps/stock/web-app/src/features/backtest/components/BacktestChart.tsx b/apps/stock/web-app/src/features/backtest/components/BacktestChart.tsx
index db651dd..03f7cf9 100644
--- a/apps/stock/web-app/src/features/backtest/components/BacktestChart.tsx
+++ b/apps/stock/web-app/src/features/backtest/components/BacktestChart.tsx
@@ -1,6 +1,7 @@
 import type { BacktestResult } from '../types/backtest.types';
 import { useState, useMemo, memo } from 'react';
 import { Chart } from '../../../components/charts/Chart';
+import { ChartContainer } from './ChartContainer';
 
 interface BacktestChartProps {
   result: BacktestResult | null;
@@ -107,22 +108,26 @@ export const BacktestChart = memo(function BacktestChart({ result, isLoading }:
         </div>
       )}
       
-      <div className="flex-1">
-        <Chart
-          data={chartData.ohlcData}
-          overlayData={[
-            {
-              name: 'Equity',
-              data: chartData.equityData,
-              color: '#3b82f6',
-              lineWidth: 2
-            }
-          ]}
-          tradeMarkers={chartData.tradeMarkers}
-          height={500}
-          chartId={`backtest-${result?.runId || 'default'}`}
-          key={result?.runId || 'default'}
-        />
+      <div className="flex-1 min-h-0">
+        <ChartContainer>
+          {(height) => (
+            <Chart
+              data={chartData.ohlcData}
+              overlayData={[
+                {
+                  name: 'Equity',
+                  data: chartData.equityData,
+                  color: '#3b82f6',
+                  lineWidth: 2
+                }
+              ]}
+              tradeMarkers={chartData.tradeMarkers}
+              height={height}
+              chartId={`backtest-${result?.runId || 'default'}`}
+              key={result?.runId || 'default'}
+            />
+          )}
+        </ChartContainer>
       </div>
     </div>
   );
diff --git a/apps/stock/web-app/src/features/backtest/components/BacktestPlayback.tsx b/apps/stock/web-app/src/features/backtest/components/BacktestPlayback.tsx
index 67ad129..20fa1c8 100644
--- a/apps/stock/web-app/src/features/backtest/components/BacktestPlayback.tsx
+++ b/apps/stock/web-app/src/features/backtest/components/BacktestPlayback.tsx
@@ -55,9 +55,9 @@ export const BacktestPlayback = memo(function BacktestPlayback({ result, isLoadi
   }
 
   return (
-    <div className="h-full flex flex-col space-y-4">
+    <div className="h-full flex flex-col gap-4">
       {/* Chart Section */}
-      <div className="flex-1">
+      <div className="flex-1 min-h-0">
         <ErrorBoundary
           fallback={
             <div className="h-full flex items-center justify-center bg-surface-secondary rounded-lg border border-border">
@@ -80,13 +80,9 @@ export const BacktestPlayback = memo(function BacktestPlayback({ result, isLoadi
         </ErrorBoundary>
       </div>
 
-      {/* Performance Metrics */}
-      <div className="flex-shrink-0">
+      {/* Performance Metrics and Positions - Fixed height section */}
+      <div className="flex-shrink-0 grid grid-cols-1 lg:grid-cols-2 gap-4">
         <CompactPerformanceMetrics result={result} isLoading={isLoading} />
-      </div>
-      
-      {/* Positions Summary */}
-      <div className="flex-shrink-0">
         <PositionsSummary 
           openPositions={openPositions}
           closedPositions={closedPositions}
diff --git a/apps/stock/web-app/src/features/backtest/components/ChartContainer.tsx b/apps/stock/web-app/src/features/backtest/components/ChartContainer.tsx
new file mode 100644
index 0000000..bf8afd4
--- /dev/null
+++ b/apps/stock/web-app/src/features/backtest/components/ChartContainer.tsx
@@ -0,0 +1,42 @@
+import { useRef, useEffect, useState, ReactNode } from 'react';
+
+interface ChartContainerProps {
+  children: (height: number) => ReactNode;
+  className?: string;
+}
+
+export function ChartContainer({ children, className = '' }: ChartContainerProps) {
+  const containerRef = useRef<HTMLDivElement>(null);
+  const [height, setHeight] = useState(500); // Default height
+
+  useEffect(() => {
+    if (!containerRef.current) return;
+
+    const resizeObserver = new ResizeObserver((entries) => {
+      for (const entry of entries) {
+        const { height } = entry.contentRect;
+        if (height > 0) {
+          setHeight(Math.floor(height));
+        }
+      }
+    });
+
+    resizeObserver.observe(containerRef.current);
+
+    // Initial measurement
+    const initialHeight = containerRef.current.clientHeight;
+    if (initialHeight > 0) {
+      setHeight(initialHeight);
+    }
+
+    return () => {
+      resizeObserver.disconnect();
+    };
+  }, []);
+
+  return (
+    <div ref={containerRef} className={`h-full w-full ${className}`}>
+      {children(height)}
+    </div>
+  );
+}
\ No newline at end of file
diff --git a/apps/stock/web-app/src/features/backtest/components/CompactPerformanceMetrics.tsx b/apps/stock/web-app/src/features/backtest/components/CompactPerformanceMetrics.tsx
index c2d21fd..63617ee 100644
--- a/apps/stock/web-app/src/features/backtest/components/CompactPerformanceMetrics.tsx
+++ b/apps/stock/web-app/src/features/backtest/components/CompactPerformanceMetrics.tsx
@@ -91,7 +91,7 @@ export function CompactPerformanceMetrics({ result, isLoading }: CompactPerforma
     <div className="bg-surface-secondary rounded-lg border border-border p-4">
       <h3 className="text-sm font-medium text-text-primary mb-3">Performance Analytics</h3>
       
-      <div className="grid grid-cols-3 gap-4">
+      <div className="grid grid-cols-3 gap-3">
         {/* Column 1 - Return Metrics */}
         <div className="space-y-2">
           <div className="flex justify-between items-center">
@@ -212,7 +212,7 @@ export function CompactPerformanceMetrics({ result, isLoading }: CompactPerforma
       {/* Advanced Metrics - Show only if available */}
       {(allMetrics.skewness !== undefined || allMetrics.kurtosis !== undefined || 
         allMetrics.informationRatio !== undefined || allMetrics.kellyFraction !== undefined) && (
-        <div className="mt-3 pt-3 border-t border-border">
+        <div className="mt-2 pt-2 border-t border-border">
           <div className="grid grid-cols-4 gap-2 text-xs">
             {allMetrics.informationRatio !== undefined && (
               <div className="text-center">
@@ -254,7 +254,7 @@ export function CompactPerformanceMetrics({ result, isLoading }: CompactPerforma
       )}
 
       {/* Additional Metrics Row */}
-      <div className="mt-3 pt-3 border-t border-border">
+      <div className="mt-2 pt-2 border-t border-border">
         <div className="grid grid-cols-5 gap-2 text-xs">
           <div className="text-center">
             <span className="text-text-secondary">Calmar</span>
diff --git a/apps/stock/web-app/src/features/backtest/components/PositionsSummary.tsx b/apps/stock/web-app/src/features/backtest/components/PositionsSummary.tsx
index 37909fd..b427daa 100644
--- a/apps/stock/web-app/src/features/backtest/components/PositionsSummary.tsx
+++ b/apps/stock/web-app/src/features/backtest/components/PositionsSummary.tsx
@@ -23,32 +23,18 @@ export function PositionsSummary({ openPositions, closedPositions, onExpand }: P
     const currentPrice = p.currentPrice || p.lastPrice || avgPrice;
     return sum + ((currentPrice - avgPrice) * quantity);
   }, 0);
+  const totalPnL = totalRealizedPnL + totalUnrealizedPnL;
 
   return (
-    <div className="bg-surface-secondary rounded-lg border border-border p-4">
-      <div className="flex justify-between items-center mb-3">
-        <h3 className="text-sm font-medium text-text-primary">Positions Summary</h3>
-        <div className="flex items-center space-x-4 text-sm">
-          <div>
-            <span className="text-text-secondary">Realized:</span>
-            <span className={`ml-1 font-medium ${totalRealizedPnL >= 0 ? 'text-success' : 'text-error'}`}>
-              ${totalRealizedPnL.toFixed(2)}
-            </span>
-          </div>
-          <div>
-            <span className="text-text-secondary">Unrealized:</span>
-            <span className={`ml-1 font-medium ${totalUnrealizedPnL >= 0 ? 'text-success' : 'text-error'}`}>
-              ${totalUnrealizedPnL.toFixed(2)}
-            </span>
-          </div>
-        </div>
-      </div>
+    <div className="bg-surface-secondary rounded-lg border border-border p-4 h-full flex flex-col">
+      <h3 className="text-sm font-medium text-text-primary mb-3">Positions Summary</h3>
 
-      {openPositions.length > 0 && (
+      <div className="flex-1">
+        {openPositions.length > 0 && (
         <div className="mb-3">
           <h4 className="text-xs font-medium text-text-secondary mb-2">Open Positions ({openPositions.length})</h4>
           <div className="space-y-1">
-            {openPositions.slice(0, 5).map((position, index) => {
+            {openPositions.slice(0, 3).map((position, index) => {
               const quantity = position.quantity || 0;
               const avgPrice = position.averagePrice || position.avgPrice || 0;
               const currentPrice = position.currentPrice || position.lastPrice || avgPrice;
@@ -85,16 +71,16 @@ export function PositionsSummary({ openPositions, closedPositions, onExpand }: P
         </div>
       )}
 
-      {closedPositions.length > 0 && (
-        <div>
+      {closedPositions.length > 0 && openPositions.length === 0 && (
+        <div className="mb-3">
           <h4 className="text-xs font-medium text-text-secondary mb-2">
             Closed Positions ({closedPositions.length})
           </h4>
           <div className="space-y-1">
             {closedPositions.slice(0, 3).map((position, index) => (
-              <div key={index} className="flex items-center justify-between py-1 px-2 text-xs">
-                <span className="text-text-primary">{position.symbol}</span>
-                <span className={`font-medium ${position.realizedPnl >= 0 ? 'text-success' : 'text-error'}`}>
+              <div key={index} className="flex items-center justify-between py-1.5 px-2 rounded hover:bg-surface-tertiary transition-colors">
+                <span className="text-sm font-medium text-text-primary">{position.symbol}</span>
+                <span className={`text-sm font-medium ${position.realizedPnl >= 0 ? 'text-success' : 'text-error'}`}>
                   ${position.realizedPnl.toFixed(2)}
                 </span>
               </div>
@@ -103,18 +89,46 @@ export function PositionsSummary({ openPositions, closedPositions, onExpand }: P
         </div>
       )}
 
-      {(openPositions.length > 5 || closedPositions.length > 3) && onExpand && (
-        <button
-          onClick={onExpand}
-          className="w-full text-xs text-primary-500 hover:text-primary-600 text-center pt-2 font-medium"
-        >
-          View all positions
-        </button>
-      )}
+        {openPositions.length === 0 && closedPositions.length === 0 && (
+          <p className="text-sm text-text-secondary text-center">No positions to display</p>
+        )}
+      </div>
 
-      {openPositions.length === 0 && closedPositions.length === 0 && (
-        <p className="text-sm text-text-secondary text-center">No positions to display</p>
-      )}
+      {/* Summary metrics at bottom - similar to performance metrics */}
+      <div className="mt-3 pt-3 border-t border-border">
+        <div className="grid grid-cols-3 gap-2 text-xs">
+          <div className="text-center">
+            <span className="text-text-secondary">Unrealized</span>
+            <div className={`font-medium ${totalUnrealizedPnL >= 0 ? 'text-success' : 'text-error'}`}>
+              ${totalUnrealizedPnL.toFixed(2)}
+            </div>
+          </div>
+          
+          <div className="text-center">
+            <span className="text-text-secondary">Realized</span>
+            <div className={`font-medium ${totalRealizedPnL >= 0 ? 'text-success' : 'text-error'}`}>
+              ${totalRealizedPnL.toFixed(2)}
+            </div>
+          </div>
+          
+          <div className="text-center">
+            <span className="text-text-secondary">Total P&L</span>
+            <div className={`font-medium ${totalPnL >= 0 ? 'text-success' : 'text-error'}`}>
+              ${totalPnL.toFixed(2)}
+            </div>
+          </div>
+        </div>
+        
+        {((openPositions.length > 3) || 
+          (closedPositions.length > 3 && openPositions.length === 0)) && onExpand && (
+          <button
+            onClick={onExpand}
+            className="w-full text-xs text-primary-500 hover:text-primary-600 text-center pt-2 font-medium"
+          >
+            View all {openPositions.length + closedPositions.length} positions
+          </button>
+        )}
+      </div>
     </div>
   );
 }
\ No newline at end of file
diff --git a/apps/stock/web-app/src/features/backtest/components/index.ts b/apps/stock/web-app/src/features/backtest/components/index.ts
index 724f2c4..a46456a 100644
--- a/apps/stock/web-app/src/features/backtest/components/index.ts
+++ b/apps/stock/web-app/src/features/backtest/components/index.ts
@@ -8,4 +8,5 @@ export { RunsList } from './RunsList';
 export { RunsListWithMetrics } from './RunsListWithMetrics';
 export { CompactPerformanceMetrics } from './CompactPerformanceMetrics';
 export { CompactPositionsTable } from './CompactPositionsTable';
-export { PositionsSummary } from './PositionsSummary';
\ No newline at end of file
+export { PositionsSummary } from './PositionsSummary';
+export { ChartContainer } from './ChartContainer';
\ No newline at end of file