diff --git a/app/Services/PriceBroadcastService.php b/app/Services/PriceBroadcastService.php
index 524d0b8..6d0d428 100644
--- a/app/Services/PriceBroadcastService.php
+++ b/app/Services/PriceBroadcastService.php
@@ -52,7 +52,7 @@ class PriceBroadcastService
         }
 
         $lastChanged = is_array($lastPayload) && $lastPayload !== []
-            && $this->rememberHashIfChanged(self::LAST_HASH_KEY, self::lastPriceIdentity($lastPayload));
+            && $this->rememberHashIfChanged($this->cacheKey(self::LAST_HASH_KEY), self::lastPriceIdentity($lastPayload));
 
         if ($lastChanged && is_array($lastPayload)) {
             $stream->publish('last', $lastPayload);
@@ -106,7 +106,7 @@ class PriceBroadcastService
             return;
         }
 
-        if (! $this->rememberHashIfChanged(self::LAST_HASH_KEY, self::lastPriceIdentity($lastPayload))) {
+        if (! $this->rememberHashIfChanged($this->cacheKey(self::LAST_HASH_KEY), self::lastPriceIdentity($lastPayload))) {
             return;
         }
 
@@ -117,7 +117,7 @@ class PriceBroadcastService
     public function buildListPayload(bool $allowCached = false): ?array
     {
         if ($allowCached) {
-            $cached = Cache::get(self::LIST_SNAPSHOT_KEY);
+            $cached = Cache::get($this->cacheKey(self::LIST_SNAPSHOT_KEY));
             if (
                 is_array($cached)
                 && is_array($cached['body'] ?? null)
@@ -130,7 +130,7 @@ class PriceBroadcastService
 
         $body = $this->buildProductListPayload();
         if ($body !== null && $body !== []) {
-            Cache::put(self::LIST_SNAPSHOT_KEY, [
+            Cache::put($this->cacheKey(self::LIST_SNAPSHOT_KEY), [
                 'body' => $body,
                 'stored_at' => now(),
             ], now()->addSeconds(self::LIST_SNAPSHOT_SECONDS + 5));
@@ -156,15 +156,15 @@ class PriceBroadcastService
             return false;
         }
 
-        if (! $force && ! $this->rememberHashIfChanged(self::LIST_HASH_KEY, self::listIdentity($listPayload))) {
+        if (! $force && ! $this->rememberHashIfChanged($this->cacheKey(self::LIST_HASH_KEY), self::listIdentity($listPayload))) {
             return false;
         }
 
         if ($force) {
-            $this->rememberHashIfChanged(self::LIST_HASH_KEY, self::listIdentity($listPayload));
+            $this->rememberHashIfChanged($this->cacheKey(self::LIST_HASH_KEY), self::listIdentity($listPayload));
         }
 
-        Cache::forget(self::LIST_SNAPSHOT_KEY);
+        Cache::forget($this->cacheKey(self::LIST_SNAPSHOT_KEY));
         app(PriceStreamService::class)->publish('list', $listPayload);
 
         return true;
@@ -218,6 +218,11 @@ class PriceBroadcastService
     /**
      * @param array<string, mixed>|array<int, mixed> $payload
      */
+    private function cacheKey(string $base): string
+    {
+        return $base.':'.app(PriceStreamService::class)->tenantScope();
+    }
+
     private function rememberHashIfChanged(string $cacheKey, array $payload): bool
     {
         $hash = md5(json_encode($payload, JSON_UNESCAPED_UNICODE));
diff --git a/app/Services/PriceStreamService.php b/app/Services/PriceStreamService.php
index df57b6c..3be92f1 100644
--- a/app/Services/PriceStreamService.php
+++ b/app/Services/PriceStreamService.php
@@ -126,14 +126,37 @@ class PriceStreamService
         return $store;
     }
 
+    /**
+     * چند مستأجر روی یک Redis با پیشوند یکسان inbox را قاطی می‌کردند
+     * (لیست شمش یک فروشگاه روی صفحهٔ فروشگاه دیگر).
+     */
+    public function tenantScope(): string
+    {
+        $default = (string) config('database.default', 'mysql');
+        $db = (string) config("database.connections.{$default}.database");
+        $host = '';
+        try {
+            $host = app(ConfigService::class)->resolvePublicHost();
+        } catch (\Throwable) {
+            $host = '';
+        }
+
+        $parts = array_values(array_filter(
+            [$db, $host],
+            static fn (string $value): bool => $value !== ''
+        ));
+
+        return $parts !== [] ? implode(':', $parts) : 'default';
+    }
+
     private function inboxKey(): string
     {
-        return self::INBOX_PREFIX.'global';
+        return self::INBOX_PREFIX.$this->tenantScope();
     }
 
     private function customerInboxKey(int $customerId): string
     {
-        return self::CUSTOMER_INBOX_PREFIX.$customerId;
+        return self::CUSTOMER_INBOX_PREFIX.$this->tenantScope().':'.$customerId;
     }
 
     private function currentInboxSeq(string $key): int