diff --git a/ANNOTATE/web/app.py b/ANNOTATE/web/app.py
index ce75741..a2a6866 100644
--- a/ANNOTATE/web/app.py
+++ b/ANNOTATE/web/app.py
@@ -2843,6 +2843,11 @@ class AnnotationDashboard:
                     metrics['loss'] = rt_metrics.get('last_loss', 0.0)
                     metrics['accuracy'] = rt_metrics.get('last_accuracy', 0.0)
                     metrics['steps'] = rt_metrics.get('total_steps', 0)
+                    # Add best checkpoint metrics
+                    metrics['best_loss'] = rt_metrics.get('best_loss', float('inf'))
+                    metrics['best_accuracy'] = rt_metrics.get('best_accuracy', 0.0)
+                    if metrics['best_loss'] == float('inf'):
+                        metrics['best_loss'] = None
                 
                 # Get incremental training metrics
                 if hasattr(self, '_incremental_training_steps'):
@@ -2877,6 +2882,8 @@ class AnnotationDashboard:
                     'error': str(e)
                 }), 500
         
+
+        
         @self.server.route('/api/realtime-inference/train-manual', methods=['POST'])
         def train_manual():
             """Manually trigger training on current candle with specified action"""
diff --git a/ANNOTATE/web/static/js/chart_manager.js b/ANNOTATE/web/static/js/chart_manager.js
index cad0d30..04fab09 100644
--- a/ANNOTATE/web/static/js/chart_manager.js
+++ b/ANNOTATE/web/static/js/chart_manager.js
@@ -15,12 +15,17 @@ class ChartManager {
         this.lastPredictionUpdate = {};  // Track last prediction update per timeframe
         this.predictionUpdateThrottle = 500;  // Min ms between prediction updates
         this.lastPredictionHash = null;  // Track if predictions actually changed
-        this.ghostCandleHistory = {};  // Store ghost candles per timeframe (max 50 each)
+        this.ghostCandleHistory = {};  // Store ghost candles per timeframe (max 150 each)
         this.maxGhostCandles = 150;  // Maximum number of ghost candles to keep
         this.modelAccuracyMetrics = {};  // Track overall model accuracy per timeframe
         this.predictionHistory = [];  // Store last 20 predictions with fading
         this.maxPredictions = 20;  // Maximum number of predictions to display
         
+        // PERFORMANCE: Debounced updates and batching
+        this.pendingUpdates = {};
+        this.updateDebounceMs = 100;  // 100ms debounce for chart updates
+        this.batchSize = 10;  // Max traces to add in one batch
+        
         // Prediction display toggles (all enabled by default)
         this.displayToggles = {
             ghostCandles: true,
@@ -182,6 +187,14 @@ class ChartManager {
             }, 1000);
         }
         
+        // PERFORMANCE: Periodic cleanup every 30 seconds
+        this.cleanupTimer = setInterval(() => {
+            this._performPeriodicCleanup();
+        }, 30000);  // 30 seconds
+        
+        // PERFORMANCE: Optimize Plotly rendering
+        this._optimizePlotlyConfig();
+        
         console.log('Auto-update enabled for:', Object.keys(this.updateTimers));
     }
     
@@ -199,9 +212,135 @@ class ChartManager {
         Object.values(this.updateTimers).forEach(timer => clearInterval(timer));
         this.updateTimers = {};
         
+        // Clear cleanup timer
+        if (this.cleanupTimer) {
+            clearInterval(this.cleanupTimer);
+            this.cleanupTimer = null;
+        }
+        
         console.log('Auto-update stopped');
     }
     
+    /**
+     * Periodic cleanup to prevent memory bloat and chart lag
+     */
+    _performPeriodicCleanup() {
+        console.log('[Cleanup] Starting periodic cleanup...');
+        
+        // Clean up ghost candles
+        Object.keys(this.ghostCandleHistory).forEach(timeframe => {
+            if (this.ghostCandleHistory[timeframe]) {
+                const before = this.ghostCandleHistory[timeframe].length;
+                this.ghostCandleHistory[timeframe] = this.ghostCandleHistory[timeframe].slice(-this.maxGhostCandles);
+                const after = this.ghostCandleHistory[timeframe].length;
+                if (before > after) {
+                    console.log(`[Cleanup] ${timeframe}: Removed ${before - after} old ghost candles`);
+                }
+            }
+        });
+        
+        // Clean up prediction history
+        if (this.predictionHistory.length > this.maxPredictions) {
+            const before = this.predictionHistory.length;
+            this.predictionHistory = this.predictionHistory.slice(-this.maxPredictions);
+            console.log(`[Cleanup] Removed ${before - this.predictionHistory.length} old predictions`);
+        }
+        
+        // Clean up chart traces (remove old prediction traces)
+        Object.keys(this.charts).forEach(timeframe => {
+            const chart = this.charts[timeframe];
+            if (chart && chart.element) {
+                const plotElement = document.getElementById(chart.plotId);
+                if (plotElement && plotElement.data) {
+                    const traces = plotElement.data;
+                    // Keep only first 2 traces (candlestick + volume) and last 10 prediction traces
+                    if (traces.length > 12) {
+                        const keepTraces = traces.slice(0, 2).concat(traces.slice(-10));
+                        const removed = traces.length - keepTraces.length;
+                        if (removed > 0) {
+                            console.log(`[Cleanup] ${timeframe}: Removed ${removed} old chart traces`);
+                            Plotly.react(chart.plotId, keepTraces, plotElement.layout, plotElement.config);
+                        }
+                    }
+                }
+            }
+        });
+        
+        console.log('[Cleanup] Periodic cleanup completed');
+    }
+    
+    /**
+     * PERFORMANCE: Debounced chart update to prevent excessive redraws
+     */
+    _debouncedChartUpdate(timeframe, updateFn) {
+        // Clear existing timeout for this timeframe
+        if (this.pendingUpdates[timeframe]) {
+            clearTimeout(this.pendingUpdates[timeframe]);
+        }
+        
+        // Set new timeout
+        this.pendingUpdates[timeframe] = setTimeout(() => {
+            updateFn();
+            delete this.pendingUpdates[timeframe];
+        }, this.updateDebounceMs);
+    }
+    
+    /**
+     * PERFORMANCE: Batch trace operations to reduce Plotly calls
+     */
+    _batchAddTraces(plotId, traces) {
+        if (traces.length === 0) return;
+        
+        // Add traces in batches to prevent UI blocking
+        const batches = [];
+        for (let i = 0; i < traces.length; i += this.batchSize) {
+            batches.push(traces.slice(i, i + this.batchSize));
+        }
+        
+        // Add batches with small delays to keep UI responsive
+        batches.forEach((batch, index) => {
+            setTimeout(() => {
+                Plotly.addTraces(plotId, batch);
+            }, index * 10);  // 10ms delay between batches
+        });
+    }
+    
+    /**
+     * PERFORMANCE: Optimize Plotly configuration for better performance
+     */
+    _optimizePlotlyConfig() {
+        // Set global Plotly config for better performance
+        if (typeof Plotly !== 'undefined') {
+            Plotly.setPlotConfig({
+                // Reduce animation for better performance
+                plotGlPixelRatio: 1,
+                // Use faster rendering
+                staticPlot: false,
+                // Optimize for frequent updates
+                responsive: true
+            });
+        }
+    }
+    
+    /**
+     * PERFORMANCE: Check if element is visible in viewport
+     */
+    _isElementVisible(element) {
+        if (!element) return false;
+        
+        const rect = element.getBoundingClientRect();
+        const windowHeight = window.innerHeight || document.documentElement.clientHeight;
+        const windowWidth = window.innerWidth || document.documentElement.clientWidth;
+        
+        // Element is visible if any part is in viewport
+        return (
+            rect.bottom > 0 &&
+            rect.right > 0 &&
+            rect.top < windowHeight &&
+            rect.left < windowWidth
+        );
+    }
+    
     /**
      * Update a single chart with fresh data
      */
@@ -359,12 +498,12 @@ class ChartManager {
                         });
                     }
                     
-                    // CRITICAL: Preserve all historical candles - never truncate below 2500
-                    // Only keep last 2500 candles if we exceed that limit (to prevent memory issues)
-                    const maxCandles = 2500;
+                    // PERFORMANCE: Limit to 1200 candles for responsive UI
+                    // Keep only last 1200 candles to prevent memory issues and chart lag
+                    const maxCandles = 1200;
                     if (chart.data.timestamps.length > maxCandles) {
                         const excess = chart.data.timestamps.length - maxCandles;
-                        console.log(`[${timeframe}] Truncating ${excess} old candles (keeping last ${maxCandles})`);
+                        console.log(`[${timeframe}] Truncating ${excess} old candles (keeping last ${maxCandles} for performance)`);
                         chart.data.timestamps = chart.data.timestamps.slice(-maxCandles);
                         chart.data.open = chart.data.open.slice(-maxCandles);
                         chart.data.high = chart.data.high.slice(-maxCandles);
@@ -2759,9 +2898,9 @@ class ChartManager {
             Plotly.deleteTraces(plotId, indicesToRemove);
         }
         
-        // Add updated traces
+        // PERFORMANCE: Use batched trace addition
         if (predictionTraces.length > 0) {
-            Plotly.addTraces(plotId, predictionTraces);
+            this._batchAddTraces(plotId, predictionTraces);
             console.log(`[${timeframe}] Refreshed ${predictionTraces.length} prediction candles with updated accuracy`);
         }
     }
@@ -2892,8 +3031,10 @@ class ChartManager {
             
             console.log(`[updatePredictions] Drawing predictions on primary timeframe: ${primaryTimeframe}`);
             
-            // Update only the primary timeframe
-            this._updatePredictionsForTimeframe(primaryTimeframe, predictions);
+            // PERFORMANCE: Use debounced update to prevent excessive redraws
+            this._debouncedChartUpdate(primaryTimeframe, () => {
+                this._updatePredictionsForTimeframe(primaryTimeframe, predictions);
+            });
             
         } catch (error) {
             console.error('[updatePredictions] Error:', error);
@@ -2912,6 +3053,13 @@ class ChartManager {
                 console.debug(`[updatePredictions] Chart not found for timeframe: ${timeframe}`);
                 return;
             }
+            
+            // PERFORMANCE: Only update visible charts
+            const plotElement = document.getElementById(chart.plotId);
+            if (!plotElement || !this._isElementVisible(plotElement)) {
+                console.debug(`[updatePredictions] Chart ${timeframe} not visible, skipping update`);
+                return;
+            }
                 
             // Throttle prediction updates to avoid flickering
         const now = Date.now();
@@ -3175,9 +3323,10 @@ class ChartManager {
                     return;
                 }
                 
-                // Add new traces - these will overlay on top of real candles
-                // Plotly renders traces in order, so predictions added last appear on top
-                Plotly.addTraces(plotId, predictionTraces);
+                // PERFORMANCE: Use batched trace addition for better performance
+                if (predictionTraces.length > 0) {
+                    this._batchAddTraces(plotId, predictionTraces);
+                }
                 
                 // Ensure predictions are visible above real candles by setting z-order
                 // Update layout to ensure prediction traces are on top
diff --git a/ANNOTATE/web/templates/components/training_panel.html b/ANNOTATE/web/templates/components/training_panel.html
index 478d715..2bac6be 100644
--- a/ANNOTATE/web/templates/components/training_panel.html
+++ b/ANNOTATE/web/templates/components/training_panel.html
@@ -159,6 +159,11 @@
                         <div>Last Training: <span id="last-training-time">--</span></div>
                     </div>
                 </div>
+                <div class="mt-1 pt-1 border-top" style="font-size: 0.7rem;">
+                    <div class="text-muted">Best Checkpoint:</div>
+                    <div>Best Loss: <span id="best-checkpoint-loss" class="fw-bold text-warning">--</span></div>
+                    <div>Best Accuracy: <span id="best-checkpoint-accuracy" class="fw-bold text-success">--</span></div>
+                </div>
             </div>
         </div>
 
@@ -1507,6 +1512,18 @@
                 }
             }
             
+            // Update best checkpoint metrics
+            const bestLossEl = document.getElementById('best-checkpoint-loss');
+            if (bestLossEl && metrics.best_loss !== undefined && metrics.best_loss !== null) {
+                bestLossEl.textContent = metrics.best_loss.toFixed(4);
+            }
+            
+            const bestAccuracyEl = document.getElementById('best-checkpoint-accuracy');
+            if (bestAccuracyEl && metrics.best_accuracy !== undefined && metrics.best_accuracy !== null) {
+                const accuracyPct = (metrics.best_accuracy * 100).toFixed(1);
+                bestAccuracyEl.textContent = accuracyPct + '%';
+            }
+            
             console.log(`[Online Learning] ${metrics.incremental_steps} incremental training steps completed`);
         }
     }
diff --git a/core/orchestrator.py b/core/orchestrator.py
index 4c290ab..813827f 100644
--- a/core/orchestrator.py
+++ b/core/orchestrator.py
@@ -2904,10 +2904,54 @@ class TradingOrchestrator:
                 prediction['timestamp'] = datetime.now()
             
             self.recent_transformer_predictions[symbol].append(prediction)
+            
+            # EFFICIENT: Store prediction in database at source (before sending to UI)
+            self._store_prediction_in_database(symbol, prediction, 'transformer')
+            
             logger.debug(f"Stored transformer prediction for {symbol}: {prediction.get('action', 'N/A')}")
         except Exception as e:
             logger.error(f"Error storing transformer prediction: {e}")
     
+    def _store_prediction_in_database(self, symbol: str, prediction: Dict, model_type: str):
+        """Store prediction in database for later retrieval and training"""
+        try:
+            # Extract data from prediction
+            timestamp = prediction.get('timestamp')
+            if isinstance(timestamp, datetime):
+                timestamp_str = timestamp.isoformat()
+            else:
+                timestamp_str = str(timestamp)
+            
+            action = prediction.get('action', 'HOLD')
+            confidence = prediction.get('confidence', 0.0)
+            predicted_candle = prediction.get('predicted_candle', {})
+            predicted_price = prediction.get('predicted_price')
+            primary_timeframe = prediction.get('primary_timeframe', '1m')
+            
+            # Store in database if available
+            if hasattr(self, 'database_manager') and self.database_manager:
+                try:
+                    prediction_id = self.database_manager.store_prediction(
+                        symbol=symbol,
+                        timeframe=primary_timeframe,
+                        timestamp=timestamp_str,
+                        prediction_type=model_type,
+                        action=action,
+                        confidence=confidence,
+                        predicted_candle=predicted_candle,
+                        predicted_price=predicted_price
+                    )
+                    logger.debug(f"Stored {model_type} prediction in database: {prediction_id}")
+                except Exception as db_error:
+                    # Fallback: log prediction if database fails
+                    logger.info(f"[PREDICTION DB] {symbol} {primary_timeframe} {model_type} {action} {confidence:.2f} @ {timestamp_str}")
+            else:
+                # Fallback: log prediction if no database manager
+                logger.info(f"[PREDICTION LOG] {symbol} {primary_timeframe} {model_type} {action} {confidence:.2f} @ {timestamp_str}")
+                
+        except Exception as e:
+            logger.debug(f"Error storing prediction in database: {e}")  # Debug level to avoid spam
+    
     def clear_predictions(self, symbol: str):
         """Clear all stored predictions for a symbol (useful for backtests)"""
         try: