diff --git a/app/Console/Commands/PriceTickDaemonCommand.php b/app/Console/Commands/PriceTickDaemonCommand.php
new file mode 100644
index 0000000..12fa8cf
--- /dev/null
+++ b/app/Console/Commands/PriceTickDaemonCommand.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Services\LivePriceTickService;
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Log;
+
+/**
+ * حلقه بی‌نهایت — برای supervisor: php artisan prices:tick-daemon
+ */
+class PriceTickDaemonCommand extends Command
+{
+    protected $signature = 'prices:tick-daemon {--interval=10}';
+
+    protected $description = 'Continuously refresh montzar/zaarbox/products every N seconds (supervisor)';
+
+    public function handle(LivePriceTickService $tickService): int
+    {
+        $interval = max(1, (int) $this->option('interval'));
+
+        $this->info("Price tick daemon started (every {$interval}s). Ctrl+C to stop.");
+
+        while (true) {
+            try {
+                $tickService->tick();
+            } catch (\Throwable $e) {
+                Log::error('prices:tick-daemon failed', [
+                    'message' => $e->getMessage(),
+                ]);
+            }
+
+            sleep($interval);
+        }
+    }
+}
diff --git a/app/Console/Commands/PriceTickLoopCommand.php b/app/Console/Commands/PriceTickLoopCommand.php
new file mode 100644
index 0000000..d37fff5
--- /dev/null
+++ b/app/Console/Commands/PriceTickLoopCommand.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Services\LivePriceTickService;
+use Illuminate\Console\Command;
+
+/**
+ * هر دقیقه ۶ بار prices:tick — برای schedule:run (فاصله ۱۰ ثانیه).
+ */
+class PriceTickLoopCommand extends Command
+{
+    protected $signature = 'prices:tick-loop {--iterations=6} {--interval=10}';
+
+    protected $description = 'Run prices:tick several times per minute (default: 6× every 10s)';
+
+    public function handle(LivePriceTickService $tickService): int
+    {
+        $iterations = max(1, (int) $this->option('iterations'));
+        $interval = max(1, (int) $this->option('interval'));
+
+        for ($i = 0; $i < $iterations; $i++) {
+            $tickService->tick();
+
+            if ($i < $iterations - 1) {
+                sleep($interval);
+            }
+        }
+
+        return self::SUCCESS;
+    }
+}
diff --git a/app/Console/Kernel.php b/app/Console/Kernel.php
index 46f9cd2..bd3037a 100644
--- a/app/Console/Kernel.php
+++ b/app/Console/Kernel.php
@@ -13,15 +13,12 @@ class Kernel extends ConsoleKernel
 
     protected function schedule(Schedule $schedule)
     {
-        // تیک قیمت — هر ۱۰ ثانیه (۶ بار در دقیقه)
-        $schedule->call(function () {
-            for ($i = 0; $i < 6; $i++) {
-                \Illuminate\Support\Facades\Artisan::call('prices:tick');
-                if ($i < 5) {
-                    sleep(10);
-                }
-            }
-        })->everyMinute()->name('prices_tick_10s')->withoutOverlapping();
+        // تیک قیمت — ۶ بار در دقیقه با فاصله ۱۰ ثانیه (montzar + zaarbox + محصولات)
+        // نیاز: * * * * * php artisan schedule:run
+        $schedule->command('prices:tick-loop --iterations=6 --interval=10')
+            ->everyMinute()
+            ->name('prices_tick_10s')
+            ->withoutOverlapping(58);
 
         $schedule->command('prices:refresh-zaarbox')
             ->everyThirtyMinutes()
diff --git a/app/Http/Controllers/Site/ReportController.php b/app/Http/Controllers/Site/ReportController.php
index af5c0e6..4d289f3 100644
--- a/app/Http/Controllers/Site/ReportController.php
+++ b/app/Http/Controllers/Site/ReportController.php
@@ -122,13 +122,13 @@ class ReportController extends Controller
         ];
     }
 
-    protected function appendUpPrices(array $payload): array
+    protected function appendUpPrices(array $payload, bool $saveFullCache = false): array
     {
         $payload['up'] = $this->buildUpDownPrices();
         $payload['last_historical'] = app(ProductDisplayPriceService::class)->resolveHistoricalBasePrice();
         app(ProductDisplayPriceService::class)->cacheLivePricePayload($payload);
 
-        if (request()->boolean('force_refresh')) {
+        if ($saveFullCache || request()->boolean('force_refresh')) {
             return app(LivePriceCacheService::class)->put($payload);
         }
 
@@ -139,8 +139,9 @@ class ReportController extends Controller
     {
         $config = app(ConfigService::class);
         $cache = app(LivePriceCacheService::class);
+        $forceRefresh = $request->boolean('force_refresh');
 
-        if (! $request->boolean('force_refresh')) {
+        if (! $forceRefresh) {
             $cached = $cache->get();
             if ($cached !== null) {
                 return $cached;
@@ -158,7 +159,7 @@ class ReportController extends Controller
                 'time' => now(),
                 'main_product' => 0,
                 'zaarbox' => 0,
-            ], $this->storeLastPrice($config)));
+            ], $this->storeLastPrice($config)), $forceRefresh);
         }
 
         $closed = false;
@@ -167,9 +168,6 @@ class ReportController extends Controller
         $zaarbox_price = 0;
         $pr_price = 0;
 
-        $open_buy = true;
-        $open_sell = true;
-
         $montzar_open_buy = false;
         $montzar_open_sell = false;
 
@@ -180,7 +178,7 @@ class ReportController extends Controller
             return filter_var($value, FILTER_VALIDATE_BOOLEAN);
         };
 
-        $zeroResponse = function () {
+        $zeroResponse = function () use ($forceRefresh) {
             return $this->appendUpPrices([
                 'sell' => 0,
                 'buy' => 0,
@@ -191,7 +189,7 @@ class ReportController extends Controller
                 'zaarbox' => 0,
                 'closed' => true,
                 'time' => now(),
-            ]);
+            ], $forceRefresh);
         };
 
         $priceProvider = $config->priceProvider();
@@ -231,20 +229,13 @@ class ReportController extends Controller
          |--------------------------------------------------------------------------
          */
         $settings = Setting::whereIn('key', [
-            'fee_single',
             'main_product_price',
-            'buy_fee',
-            'sell_fee',
         ])->get();
 
         $settingsMap = $settings->pluck('value', 'key');
         $show_last_price = $config->getBool('show_last_price', false);
         $main_product_price = $settingsMap->get('main_product_price');
 
-        $difference = (float) $settingsMap->get('fee_single', 0);
-        $diff_buy = (float) $settingsMap->get('buy_fee', $difference);
-        $diff_sell = (float) $settingsMap->get('sell_fee', $difference);
-
         /*
          |--------------------------------------------------------------------------
          | Montzar — فقط وقتی price_provider=montzar
@@ -402,7 +393,7 @@ class ReportController extends Controller
                     'zaarbox' => $zaarbox_price ?? 0,
                     'closed' => true,
                     'time' => now(),
-                ]);
+                ], $forceRefresh);
             }
         }
 
@@ -458,43 +449,17 @@ class ReportController extends Controller
          | محاسبه sell / buy
          |--------------------------------------------------------------------------
          */
-        if ($priceSource === 'montzar') {
-            $montzar_profit = (float) $config->Config('montzar_diff');
-
-            $final_buy_diff = $diff_buy + $montzar_profit;
-            $final_sell_diff = $diff_sell + $montzar_profit;
-
-            $sell = $montzar_open_sell
-                ? ceil($priceValue - $final_sell_diff)
-                : 0;
-
-            $buy = $montzar_open_buy
-                ? ceil($priceValue + $final_buy_diff)
-                : 0;
-
-            $priceLast = ceil($priceValue + $final_buy_diff);
-        } else {
-            $sell = $open_sell
-                ? ceil($priceValue - $difference)
-                : 0;
-
-            $buy = $open_buy
-                ? ceil($priceValue + $difference)
-                : 0;
-
-            $priceLast = ceil($priceValue + $difference);
-        }
-
-        /*
-         | main_product / zaarbox: buy/sell از همان قیمت زنده (نه رکورد قدیمی DB).
-         */
-        if (in_array($priceProvider, ['main_product', 'zaarbox'], true) && !$closed) {
-            $base = (float) $priceValue;
-
-            $sell = $open_sell ? (int) ceil($base - $diff_sell) : 0;
-            $buy = $open_buy ? (int) ceil($base + $diff_buy) : 0;
-            $priceLast = (int) ceil($base + $diff_buy);
-        }
+        $display = $config->buildTradeDisplayPrices(
+            (float) $priceValue,
+            $priceSource,
+            [
+                'montzar_open_buy' => $montzar_open_buy,
+                'montzar_open_sell' => $montzar_open_sell,
+            ]
+        );
+        $sell = $display['sell'];
+        $buy = $display['buy'];
+        $priceLast = $display['priceLast'];
 
         if (!$closed && $priceValue > 0) {
             $config->trackDailyPriceExtreme((float) $priceValue);
@@ -510,7 +475,7 @@ class ReportController extends Controller
             'zaarbox' => $zaarbox_price ?? 0,
             'closed' => false,
             'time' => now(),
-        ]);
+        ], $forceRefresh);
     }
 
     /**
diff --git a/app/Services/ConfigService.php b/app/Services/ConfigService.php
index d7c4090..9c02725 100644
--- a/app/Services/ConfigService.php
+++ b/app/Services/ConfigService.php
@@ -102,6 +102,54 @@ class ConfigService
         return $sellFee > 0 ? $sellFee : $feeSingle;
     }
 
+    /**
+     * sell / buy / price_last — یک منبع حقیقت برای lastPrice و buildFromDatabase.
+     *
+     * @param  float  $priceValue  قیمت پایه (ریال/گرم) — از API یا DB
+     * @param  string|null  $priceSource  montzar | zaarbox | main_product | database_last | null
+     * @param  array{montzar_open_buy?:bool,montzar_open_sell?:bool}  $montzarFlags  فقط وقتی API تازه خوانده شده
+     * @return array{sell:int,buy:int,priceLast:int}
+     */
+    public function buildTradeDisplayPrices(
+        float $priceValue,
+        ?string $priceSource = null,
+        array $montzarFlags = []
+    ): array {
+        $diffBuy = (float) $this->displayBuySpreadRial();
+        $diffSell = (float) $this->displaySellSpreadRial();
+        $feeSingle = (float) $this->get('fee_single', 0);
+
+        $openBuy = true;
+        $openSell = true;
+
+        if ($priceSource === 'montzar') {
+            $montzarProfit = (float) $this->get('montzar_diff', 0);
+            $finalBuyDiff = $diffBuy + $montzarProfit;
+            $finalSellDiff = $diffSell + $montzarProfit;
+            $openBuy = $montzarFlags['montzar_open_buy'] ?? $this->getBool('montzar_open_buy', true);
+            $openSell = $montzarFlags['montzar_open_sell'] ?? $this->getBool('montzar_open_sell', true);
+
+            $sell = $openSell ? (int) ceil($priceValue - $finalSellDiff) : 0;
+            $buy = $openBuy ? (int) ceil($priceValue + $finalBuyDiff) : 0;
+            $priceLast = (int) ceil($priceValue + $finalBuyDiff);
+
+            return compact('sell', 'buy', 'priceLast');
+        }
+
+        $sell = $openSell ? (int) ceil($priceValue - $feeSingle) : 0;
+        $buy = $openBuy ? (int) ceil($priceValue + $feeSingle) : 0;
+        $priceLast = (int) ceil($priceValue + $feeSingle);
+
+        $provider = $this->priceProvider();
+        if (in_array($provider, ['main_product', 'zaarbox'], true)) {
+            $sell = $openSell ? (int) ceil($priceValue - $diffSell) : 0;
+            $buy = $openBuy ? (int) ceil($priceValue + $diffBuy) : 0;
+            $priceLast = (int) ceil($priceValue + $diffBuy);
+        }
+
+        return compact('sell', 'buy', 'priceLast');
+    }
+
     /**
      * تنها منبع فعال قیمت — montzar | main_product | zaarbox
      *
diff --git a/app/Services/LivePriceCacheService.php b/app/Services/LivePriceCacheService.php
index 650c1d4..018ec4b 100644
--- a/app/Services/LivePriceCacheService.php
+++ b/app/Services/LivePriceCacheService.php
@@ -37,19 +37,15 @@ class LivePriceCacheService
         return $body;
     }
 
-    /** پاسخ سریع بدون API خارجی — از آخرین رکورد prices + تنظیمات */
+    /** پاسخ سریع بدون API خارجی — از آخرین رکورد prices + تنظیمات (همان فرمول lastPrice) */
     public function buildFromDatabase(): array
     {
         $config = app(ConfigService::class);
         $display = app(ProductDisplayPriceService::class);
         $last = Price::orderByDesc('id')->first();
-        $base = $last ? (int) $last->price : 0;
+        $base = $last ? (float) $last->price : 0.0;
         $provider = $config->priceProvider();
 
-        $montzarPrice = 0;
-        $zaarboxPrice = 0;
-        $mainProductPrice = 0;
-
         if ($base <= 0) {
             $payload = [
                 'sell' => 0,
@@ -63,35 +59,32 @@ class LivePriceCacheService
                 'time' => now(),
             ];
         } else {
-            $diffBuy = (int) $config->displayBuySpreadRial();
-            $diffSell = (int) $config->displaySellSpreadRial();
-            $openBuy = true;
-            $openSell = true;
+            $montzarSource = 0;
+            $zaarboxSource = 0;
+            $mainProductSource = 0;
+            $priceSource = 'database_last';
 
             if ($provider === 'montzar') {
-                $montzarPrice = $config->getInt('montzar_live_price', 0) ?: $base;
-                $montzarDiff = (int) $config->getInt('montzar_diff', 0);
-                $diffBuy += $montzarDiff;
-                $diffSell += $montzarDiff;
-                $openBuy = $config->getBool('montzar_open_buy', true);
-                $openSell = $config->getBool('montzar_open_sell', true);
+                $liveMontzar = (float) $config->get('montzar_live_price', 0);
+                $montzarSource = (int) ($liveMontzar > 0 ? $liveMontzar : $base);
+                // DB از آخرین tick montzar پر شده — همان فرمول نمایش معامله
+                $priceSource = 'montzar';
             } elseif ($provider === 'zaarbox') {
-                $zaarboxPrice = $base;
+                $zaarboxSource = (int) $base;
             } elseif ($provider === 'main_product') {
-                $mainProductPrice = $base;
+                $mainProductSource = (int) $base;
             }
 
-            $buy = $openBuy ? (int) ceil($base + $diffBuy) : 0;
-            $sell = $openSell ? max(0, (int) ceil($base - $diffSell)) : 0;
+            $trade = $config->buildTradeDisplayPrices($base, $priceSource);
 
             $payload = [
-                'sell' => $sell,
-                'buy' => $buy,
-                'price_last' => $buy,
-                'price' => $base,
-                'main_product' => $mainProductPrice,
-                'montzar' => $montzarPrice,
-                'zaarbox' => $zaarboxPrice,
+                'sell' => $trade['sell'],
+                'buy' => $trade['buy'],
+                'price_last' => $trade['priceLast'],
+                'price' => (int) $base,
+                'main_product' => $mainProductSource,
+                'montzar' => $montzarSource,
+                'zaarbox' => $zaarboxSource,
                 'closed' => false,
                 'time' => now(),
             ];
@@ -105,8 +98,6 @@ class LivePriceCacheService
             : ['sell' => $payload['sell'] ?? 0, 'buy' => $payload['buy'] ?? 0];
         $payload['last_historical'] = $display->resolveHistoricalBasePrice();
 
-        $display->cacheLivePricePayload($payload);
-
         return $payload;
     }
 }
diff --git a/app/Services/LivePriceTickService.php b/app/Services/LivePriceTickService.php
index d680cb4..88db7e2 100644
--- a/app/Services/LivePriceTickService.php
+++ b/app/Services/LivePriceTickService.php
@@ -5,44 +5,79 @@ namespace App\Services;
 use App\Http\Controllers\Site\ReportController;
 use App\Models\Product;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\Log;
 
 class LivePriceTickService
 {
+    private const LOCK_SECONDS = 25;
+
     public function tick(): void
     {
-        $config = app(ConfigService::class);
-        $sync = app(ProductPriceSyncService::class);
-
-        if ($config->isStore()) {
-            $sync->syncStorePrices(true);
-            $source = 'zaarbox';
-            $sourceUrl = app(ZaarboxPriceService::class)->apiUrl();
-        } else {
-            $sync->syncAll(true);
-            $source = $config->priceProvider() ?: 'legacy';
-            $sourceUrl = $source === 'zaarbox'
-                ? app(ZaarboxPriceService::class)->apiUrl()
-                : null;
+        $lock = Cache::lock('prices:tick', self::LOCK_SECONDS);
+        if (! $lock->get()) {
+            return;
         }
 
-        $liquidGold = (int) $config->getInt('montzar_live_price', 0);
-        if ($liquidGold <= 0) {
-            $liquidGold = app(ProductDisplayPriceService::class)->resolveHistoricalBasePrice();
-        }
+        try {
+            $config = app(ConfigService::class);
+            $sync = app(ProductPriceSyncService::class);
+            $zaarbox = app(ZaarboxPriceService::class);
 
-        $activeProducts = Product::query()
-            ->where('active', 1)
-            ->whereNotNull('reading_method')
-            ->count();
+            /*
+             | ۱. montzar / zaarbox زنده + کش ۱۵ثانیه‌ای /api/price/last
+             |    (قبل از sync محصولات تا آبشدهٔ «قیمت اپ» تازه باشد)
+             */
+            $request = Request::create('/api/price/last', 'GET', ['force_refresh' => '1']);
+            $response = app(ReportController::class)->lastPrice($request);
+            $payload = json_decode($response->getContent(), true);
+            if (! is_array($payload)) {
+                $payload = [];
+            }
 
-        app(PriceSyncLogService::class)->recordTick($source, $sourceUrl, $liquidGold, $activeProducts);
+            /*
+             | ۲. فید zaarbox برای محصولات متغیر (reading_method)
+             */
+            if ($zaarbox->isEnabled() || Product::query()->whereNotNull('reading_method')->exists()) {
+                try {
+                    $zaarbox->cachedPriceList(true);
+                } catch (\Throwable $e) {
+                    Log::warning('Zaarbox feed refresh in tick failed', ['message' => $e->getMessage()]);
+                }
+            }
 
-        $request = Request::create('/api/price/last', 'GET', ['force_refresh' => '1']);
-        $response = app(ReportController::class)->lastPrice($request);
-        $payload = json_decode($response->getContent(), true);
+            /*
+             | ۳. همگام‌سازی قیمت محصولات
+             */
+            if ($config->isStore()) {
+                $sync->syncStorePrices(true);
+                $source = 'zaarbox';
+                $sourceUrl = $zaarbox->apiUrl();
+            } else {
+                $sync->syncAll(true);
+                $source = $config->priceProvider() ?: 'legacy';
+                $sourceUrl = $source === 'zaarbox'
+                    ? $zaarbox->apiUrl()
+                    : null;
+            }
 
-        if (is_array($payload)) {
-            app(PriceSnapshotService::class)->recordTick($payload);
+            $liquidGold = (int) ($payload['price'] ?? $config->getInt('montzar_live_price', 0));
+            if ($liquidGold <= 0) {
+                $liquidGold = app(ProductDisplayPriceService::class)->resolveHistoricalBasePrice();
+            }
+
+            $activeProducts = Product::query()
+                ->where('active', 1)
+                ->whereNotNull('reading_method')
+                ->count();
+
+            app(PriceSyncLogService::class)->recordTick($source, $sourceUrl, $liquidGold, $activeProducts);
+
+            if ($payload !== []) {
+                app(PriceSnapshotService::class)->recordTick($payload);
+            }
+        } finally {
+            $lock->release();
         }
     }
 }
diff --git a/scripts/crontab-prices.example.sh b/scripts/crontab-prices.example.sh
new file mode 100644
index 0000000..3bddda1
--- /dev/null
+++ b/scripts/crontab-prices.example.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+# نصب کران قیمت — یکی از دو روش را انتخاب کنید.
+# مسیر را با مسیر واقعی سرور عوض کنید.
+APP_DIR="/opt/rahimigold/server"
+
+# ─── روش ۱ (پیشنهادی): schedule:run هر دقیقه ───
+# prices:tick-loop داخل Kernel هر ۱۰ ثانیه ۶ بار اجرا می‌شود.
+# crontab -e:
+# * * * * * cd $APP_DIR && php artisan schedule:run >> /dev/null 2>&1
+
+# ─── روش ۲: مستقیم هر ۱۰ ثانیه (بدون schedule:run) ───
+# * * * * * cd $APP_DIR && php artisan prices:tick >> /dev/null 2>&1
+# * * * * * sleep 10 && cd $APP_DIR && php artisan prices:tick >> /dev/null 2>&1
+# * * * * * sleep 20 && cd $APP_DIR && php artisan prices:tick >> /dev/null 2>&1
+# * * * * * sleep 30 && cd $APP_DIR && php artisan prices:tick >> /dev/null 2>&1
+# * * * * * sleep 40 && cd $APP_DIR && php artisan prices:tick >> /dev/null 2>&1
+# * * * * * sleep 50 && cd $APP_DIR && php artisan prices:tick >> /dev/null 2>&1
+
+# ─── روش ۳: supervisor (حلقه دائمی) ───
+# php artisan prices:tick-daemon --interval=10
+
+echo "See comments in this file for crontab lines."