diff --git a/app/paper/page.js b/app/paper/page.js
index ba43cc7..ab701c0 100644
--- a/app/paper/page.js
+++ b/app/paper/page.js
@@ -345,6 +345,14 @@ function TradeRow({ trade, isOpen }) {
   const isNeutral = trade.result === 'cancelled' || trade.result === 'expired';
   const pnlColor = trade.pnl == null ? 'text-gray-400' : trade.pnl > 0 ? 'text-green-600' : trade.pnl < 0 ? 'text-red-600' : 'text-gray-600';
 
+  const price = Number(trade.price);
+  const cost = Number(trade.cost ?? trade.size);
+  const hasExpected = isOpen && Number.isFinite(price) && price > 0 && price < 100 && Number.isFinite(cost) && cost > 0;
+
+  const grossPayout = hasExpected ? (100 / price) * cost : null;
+  const winPnL = hasExpected ? grossPayout - cost : null;
+  const losePnL = hasExpected ? -cost : null;
+
   return (
     <div className="bg-white rounded-lg p-3 border border-gray-200 mb-2 shadow-sm">
       <div className="flex items-center justify-between">
@@ -362,9 +370,25 @@ function TradeRow({ trade, isOpen }) {
           {trade.pnl != null ? `${trade.pnl >= 0 ? '+' : ''}$${trade.pnl}` : 'open'}
         </span>
       </div>
+
       <div className="flex justify-between mt-1">
         <span className="text-[10px] text-gray-400">{trade.reason}</span>
       </div>
+
+      {hasExpected && (
+        <div className="mt-1.5 flex flex-wrap gap-x-3 gap-y-1 text-[10px] text-gray-500">
+          <span>
+            If win: <span className="text-green-600 font-medium">+${winPnL.toFixed(2)}</span>
+          </span>
+          <span>
+            If lose: <span className="text-red-600 font-medium">${losePnL.toFixed(2)}</span>
+          </span>
+          <span>
+            Gross payout: <span className="text-gray-700 font-medium">${grossPayout.toFixed(2)}</span>
+          </span>
+        </div>
+      )}
+
       <div className="flex justify-between items-center mt-0.5">
         {trade.result && !isOpen && (
           <span className="text-[10px] text-gray-400">Result: {trade.result}</span>