diff --git a/web/src/views/SimpleView.tsx b/web/src/views/SimpleView.tsx
index e826992..afa6b4d 100644
--- a/web/src/views/SimpleView.tsx
+++ b/web/src/views/SimpleView.tsx
@@ -116,7 +116,7 @@ export function buildSimpleSetupPayload(input: {
 
   const currentMarketPrice = parsePositiveNumber(input.draft.currentMarketPrice);
   if (!currentMarketPrice) {
-    throw new Error('Current market price is unavailable. Refresh market data and try again.');
+    throw new Error('No recent market price is available right now. The app uses live price when available, otherwise the latest close.');
   }
 
   const quantity = parsePositiveNumber(input.draft.quantity);
@@ -390,10 +390,10 @@ export function SimpleView() {
       if (Number.isFinite(lastClose) && lastClose > 0) {
         updateDraft('currentMarketPrice', lastClose.toFixed(4));
       } else {
-        throw new Error('No recent market price available');
+        throw new Error('No recent market data is available for this symbol right now.');
       }
     } catch (err: any) {
-      setError(err?.message ?? 'Failed to load market price');
+      setError(err?.message ?? 'Failed to load market data');
     } finally {
       setLoadingPrice(false);
     }
@@ -529,6 +529,9 @@ export function SimpleView() {
                   readOnly
                   className="bg-[var(--muted)] text-[var(--foreground)]"
                 />
+                <span className="block text-[11px] text-[var(--muted-foreground)]">
+                  Uses live market price when available. Outside market hours, it falls back to the latest close.
+                </span>
               </label>
               <Button
                 type="button"