diff --git a/app/Services/ConfigService.php b/app/Services/ConfigService.php
index ef81150..5fe5abf 100644
--- a/app/Services/ConfigService.php
+++ b/app/Services/ConfigService.php
@@ -314,10 +314,6 @@ class ConfigService
         $currentUp = (float) ($upSetting->value ?: 0);
         $currentDown = (float) ($downSetting->value ?: 0);
 
-        if ($currentUp > 0 && $priceInt < (int) ($currentUp * 0.9)) {
-            return;
-        }
-
         if ($currentUp <= 0 || $priceInt > $currentUp) {
             $this->UpdateConfig('up_price', $priceInt);
         }
@@ -327,7 +323,7 @@ class ConfigService
     }
 
     /**
-     * بیشترین/کمترین قیمت پایه امروز — با اصلاح outlier در down_price.
+     * بیشترین/کمترین قیمت پایه امروز — settings + candle + جدول prices.
      *
      * @return array{up: int, down: int}
      */
@@ -340,10 +336,11 @@ class ConfigService
         $candleHigh = $candle ? (int) round((float) $candle->high) : 0;
         $candleLow = $candle ? (int) round((float) $candle->low) : 0;
 
-        if ($up > 0 && $down > 0 && $down < (int) ($up * 0.9)) {
-            $correctedDown = $candleLow >= (int) ($up * 0.9) ? $candleLow : $up;
-            $down = $correctedDown;
-            $this->UpdateConfig('down_price', $correctedDown);
+        if ($candleHigh > 0) {
+            $up = $up > 0 ? max($up, $candleHigh) : $candleHigh;
+        }
+        if ($candleLow > 0) {
+            $down = $down > 0 ? min($down, $candleLow) : $candleLow;
         }
 
         if ($up <= 0 || $down <= 0) {
@@ -367,6 +364,11 @@ class ConfigService
             [$up, $down] = [$down, $up];
         }
 
+        $storedDown = $this->getInt('down_price', 0);
+        if ($down > 0 && $down < $storedDown) {
+            $this->UpdateConfig('down_price', $down);
+        }
+
         return ['up' => $up, 'down' => $down];
     }
 
@@ -386,17 +388,9 @@ class ConfigService
             return ['min' => 0, 'max' => 0];
         }
 
-        $max = (int) $prices->max();
-        $threshold = (int) ($max * 0.9);
-        $valid = $prices->filter(fn (int $price) => $price >= $threshold);
-
-        if ($valid->isEmpty()) {
-            return ['min' => $max, 'max' => $max];
-        }
-
         return [
-            'min' => (int) $valid->min(),
-            'max' => $max,
+            'min' => (int) $prices->min(),
+            'max' => (int) $prices->max(),
         ];
     }