Update app.py

app.py

@@ -46,21 +46,34 @@ for i in gaps:
         line_width=0
     )
 
-# 5. TICK LABELS: show real times every N points
+# # 5. TICK LABELS: show real times every N points
+# tick_every = max(1, len(df)//10)
+# fig.update_xaxes(
+#     tickmode="array",
+#     tickvals=df.index[::tick_every],
+#     ticktext=df['Time (VN)'].dt.strftime('%H:%M')[::tick_every],
+#     title="Time (VN)"
+# )
+# 5. TICK LABELS: show real date + time every N points
 tick_every = max(1, len(df)//10)
+
+# format as “YYYY‑MM‑DD\nHH:MM”
+ticktext = df['Time (VN)'].dt.strftime('%d-%m<br>%H:%M')
+
 fig.update_xaxes(
     tickmode="array",
     tickvals=df.index[::tick_every],
-    ticktext=df['Time (VN)'].dt.strftime('%H:%M')[::tick_every],
+    ticktext=ticktext[::tick_every],
     title="Time (VN)"
 )
 
+
 # 6. LAYOUT
 fig.update_layout(
-    title="AAPL Live Candlestick (gaps as blocks)",
+    title="AAPL Live Candlestick",
     yaxis_title="Price (USD)",
     dragmode="pan",
-    margin=dict(l=20, r=20, t=40, b=40),
+    margin=dict(l=0, r=0, t=20, b=20),
     width=1000,
     height=500
 )