diff --git a/services/dataProcessor.ts b/services/dataProcessor.ts
index 8926582..544bfd4 100644
--- a/services/dataProcessor.ts
+++ b/services/dataProcessor.ts
@@ -1897,38 +1897,51 @@ export const processVendorStockExcel = async (fileOrBuffer: File | ArrayBuffer):
 
         const headers: any[] = jsonData[headerRowIndex];
         const asinIdx = headers.findIndex(h => String(h || '').toUpperCase() === 'ASIN');
+
+        // Enhanced marketplace detection - includes 'Store code' for PANEU reports
         const marketplaceIdx = headers.findIndex(h => {
             const sh = String(h || '').toUpperCase();
-            return sh === 'MARKETPLACE' || sh === 'COUNTRY' || sh === 'COUNTRY/REGION';
+            return sh === 'MARKETPLACE' || sh === 'COUNTRY' || sh === 'COUNTRY/REGION' ||
+                sh === 'STORE CODE' || sh === 'STORE';
         });
 
-        const stockIdx = headers.findIndex(h => {
-            const sh = String(h || '').toUpperCase();
-            // EXCLUSION LIST: Skip columns that are clearly monetary or unrelated
-            if (sh.includes('COST') || sh.includes('VALUE') || sh.includes('AMOUNT') || sh.includes('PRICE') || sh.includes('CURRENCY') || sh.includes('SC')) {
-                return false;
-            }
-            // PRIORITY LIST: Look for Units/Qty specific keywords
-            return sh.includes('UNITS') || sh.includes('QTY') || sh.includes('QUANTITY') ||
-                // Fallback to generic stock terms if specific unit terms aren't found, 
-                // but only if we haven't found a better match yet (implemented via logic flow below)
-                sh.includes('ON HAND') || sh.includes('SELLABLE') || sh.includes('STOCK') || sh.includes('AVAILABILITY');
-        });
-
-        // REFINED SEARCH STRATEGY:
-        // 1. First pass: strict "Units/Qty" search
+        // REFINED SEARCH STRATEGY for Stock column:
+        // Priority 1: Look specifically for "Sellable On Hand Units" (most accurate for current inventory)
         let finalStockIdx = headers.findIndex(h => {
             const sh = String(h || '').toUpperCase();
-            return (sh.includes('UNITS') || sh.includes('QTY') || sh.includes('QUANTITY')) &&
-                !sh.includes('COST') && !sh.includes('VALUE') && !sh.includes('AMOUNT');
+            return sh === 'SELLABLE ON HAND UNITS';
         });
 
-        // 2. Second pass: "On Hand" / "Stock" (if no Units found)
+        // Priority 2: Look for columns with "SELLABLE" AND "UNITS" (but not necessarily exact match)
         if (finalStockIdx === -1) {
             finalStockIdx = headers.findIndex(h => {
                 const sh = String(h || '').toUpperCase();
-                return (sh.includes('ON HAND') || sh.includes('SELLABLE') || sh.includes('STOCK') || sh.includes('AVAILABILITY')) &&
-                    !sh.includes('COST') && !sh.includes('VALUE') && !sh.includes('AMOUNT');
+                return sh.includes('SELLABLE') && sh.includes('UNITS') &&
+                    !sh.includes('UNSELLABLE') && !sh.includes('AGED');
+            });
+        }
+
+        // Priority 3: Look for "On Hand Units" variations
+        if (finalStockIdx === -1) {
+            finalStockIdx = headers.findIndex(h => {
+                const sh = String(h || '').toUpperCase();
+                return sh.includes('ON HAND') && sh.includes('UNITS') &&
+                    !sh.includes('UNSELLABLE');
+            });
+        }
+
+        // Priority 4: Fallback to generic stock column search (but avoid monetary columns)
+        if (finalStockIdx === -1) {
+            finalStockIdx = headers.findIndex(h => {
+                const sh = String(h || '').toUpperCase();
+                // Exclude columns that are clearly wrong
+                if (sh.includes('COST') || sh.includes('VALUE') || sh.includes('AMOUNT') ||
+                    sh.includes('PRICE') || sh.includes('RECEIVED') || sh.includes('UNFILLED') ||
+                    sh.includes('AGED') || sh.includes('UNSELLABLE')) {
+                    return false;
+                }
+                return sh.includes('STOCK') || sh.includes('AVAILABILITY') ||
+                    (sh.includes('UNITS') && sh.includes('SELLABLE'));
             });
         }
 
@@ -1938,6 +1951,7 @@ export const processVendorStockExcel = async (fileOrBuffer: File | ArrayBuffer):
         finalStockIdx = finalStockIdx !== -1 ? finalStockIdx : 15;
 
         console.log(`[VendorStock] Selected Stock Column: "${headers[finalStockIdx]}" (Index: ${finalStockIdx})`);
+        console.log(`[VendorStock] Marketplace Column: "${headers[finalMarketplaceIdx]}" (Index: ${finalMarketplaceIdx})`);
 
         for (let i = headerRowIndex + 1; i < jsonData.length; i++) {
             const row = jsonData[i];