diff --git a/src/strategy_team/future_strategy_long.rs b/src/strategy_team/future_strategy_long.rs
index f680eb0..2c04ba4 100644
--- a/src/strategy_team/future_strategy_long.rs
+++ b/src/strategy_team/future_strategy_long.rs
@@ -29,30 +29,31 @@ pub async fn list_up_for_buy(
     for symbol in &alldata.valid_symbol_vec {
         filtered_data.insert(symbol.clone(), FilteredDataValue::new());
     }
-    let server_epoch = get_server_epoch().await;
-    // current Tema(30) < current Tema(60)
+    
+    // current Tema(15) < current Tema(60)
     let mut keys_to_remove: HashSet<String> = HashSet::new();
     let tema_15 = tema(15, &alldata.rt_price_1m_vec, &filtered_data).await?;
     let tema_60 = tema(60, &alldata.rt_price_1m_vec, &filtered_data).await?;
     let server_epoch = get_server_epoch().await;
-    
-    let mut do_buy = false;
-    if let (Some(tema15_vec), Some(tema60_vec)) = (tema_15.get("BTCUSDT"), tema_60.get("BTCUSDT")) {
-        if tema15_vec.len() > 10
-            && tema60_vec.len() > 10
-            && tema15_vec.last().unwrap().close_time == tema60_vec.last().unwrap().close_time
-            && tema15_vec.last().unwrap().close_time > server_epoch
-            && tema60_vec.last().unwrap().close_time > server_epoch
-        {
-            if tema15_vec.last().unwrap().tema_value > tema60_vec.last().unwrap().tema_value {
-                do_buy = true;
+    for (symbol, values) in &mut filtered_data {
+        let mut do_buy = false;
+        if let (Some(tema15_vec), Some(tema60_vec)) = (tema_15.get(symbol), tema_60.get(symbol)) {
+            if tema15_vec.len() > 10
+                && tema60_vec.len() > 10
+                && tema15_vec.last().unwrap().close_time == tema60_vec.last().unwrap().close_time
+                && tema15_vec.last().unwrap().close_time > server_epoch
+                && tema60_vec.last().unwrap().close_time > server_epoch
+            {
+                if tema15_vec.last().unwrap().tema_value > tema60_vec.last().unwrap().tema_value {
+                    do_buy = true;
+                } 
             } 
-        } 
-    }
-
-    if do_buy == false {
-        return Ok(());
+        }
+        if do_buy == false {
+            keys_to_remove.insert(symbol.clone());
+        }
     }
+    remove_keys(&mut filtered_data, keys_to_remove).await;
 
     // Heatmap volume: filtering close price with Extra High is over the previous candle from 30 previous candles
     let mut keys_to_remove: HashSet<String> = HashSet::new();