diff --git a/CHANGELOG.md b/CHANGELOG.md
index d264f3e70..824b77fe3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Improved the language localization for Dutch (`nl`)
 - Improved the language localization for Italian (`it`)
 - Improved the language localization for Portuguese (`pt`)
+- Improved the language localization for Spanish (`es`)
 
 ## 2.182.0 - 2025-07-16
 
diff --git a/apps/client/src/locales/messages.es.xlf b/apps/client/src/locales/messages.es.xlf
index 17b59b269..4b0ae6782 100644
--- a/apps/client/src/locales/messages.es.xlf
+++ b/apps/client/src/locales/messages.es.xlf
@@ -7041,7 +7041,7 @@
       </trans-unit>
       <trans-unit id="1486033335993102285" datatype="html">
         <source>Please enter your Ghostfolio API key:</source>
-        <target state="new">Please enter your Ghostfolio API key:</target>
+        <target state="translated">Ingrese su clave API de Ghostfolio:</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/pages/api/api-page.component.ts</context>
           <context context-type="linenumber">41</context>
@@ -7049,7 +7049,7 @@
       </trans-unit>
       <trans-unit id="4405ffa42898e217fcb92b7d1f08bb91ef895ed8" datatype="html">
         <source>API Requests Today</source>
-        <target state="new">API Requests Today</target>
+        <target state="translated">Solicitudes de API hoy</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/components/admin-users/admin-users.html</context>
           <context context-type="linenumber">179</context>
@@ -7057,7 +7057,7 @@
       </trans-unit>
       <trans-unit id="6461489707382666493" datatype="html">
         <source>Could not generate an API key</source>
-        <target state="new">Could not generate an API key</target>
+        <target state="translated">No se pudo generar una clave API</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/components/user-account-membership/user-account-membership.component.ts</context>
           <context context-type="linenumber">141</context>
@@ -7065,7 +7065,7 @@
       </trans-unit>
       <trans-unit id="9173945515149078768" datatype="html">
         <source>Set this API key in your self-hosted environment:</source>
-        <target state="new">Set this API key in your self-hosted environment:</target>
+        <target state="translated">Configure esta clave API en su entorno autohospedado:</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/components/user-account-membership/user-account-membership.component.ts</context>
           <context context-type="linenumber">156</context>
@@ -7073,7 +7073,7 @@
       </trans-unit>
       <trans-unit id="7954609080122968528" datatype="html">
         <source>Ghostfolio Premium Data Provider API Key</source>
-        <target state="new">Ghostfolio Premium Data Provider API Key</target>
+        <target state="translated">Clave API del proveedor de datos premium de Ghostfolio</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/components/user-account-membership/user-account-membership.component.ts</context>
           <context context-type="linenumber">159</context>
@@ -7081,7 +7081,7 @@
       </trans-unit>
       <trans-unit id="7165424720111432862" datatype="html">
         <source>Do you really want to generate a new API key?</source>
-        <target state="new">Do you really want to generate a new API key?</target>
+        <target state="translated">¿Realmente desea generar una nueva clave API?</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/components/user-account-membership/user-account-membership.component.ts</context>
           <context context-type="linenumber">164</context>
@@ -7089,7 +7089,7 @@
       </trans-unit>
       <trans-unit id="337ca2e5eeea28eaca91e8511eb5eaafdb385ce6" datatype="html">
         <source>Tag</source>
-        <target state="new">Tag</target>
+        <target state="translated">Etiqueta</target>
         <context-group purpose="location">
           <context context-type="sourcefile">libs/ui/src/lib/assistant/assistant.html</context>
           <context context-type="linenumber">207</context>
@@ -7097,7 +7097,7 @@
       </trans-unit>
       <trans-unit id="258c041e93862316871096965e2d70579282fb1a" datatype="html">
         <source>API Key</source>
-        <target state="new">API Key</target>
+        <target state="translated">Clave API</target>
         <context-group purpose="location">
           <context context-type="sourcefile">libs/ui/src/lib/membership-card/membership-card.component.html</context>
           <context context-type="linenumber">18</context>
@@ -7105,7 +7105,7 @@
       </trans-unit>
       <trans-unit id="0ad3c057fbf21b81a1f1d0bad8b9ee4b284139ab" datatype="html">
         <source>Generate Ghostfolio Premium Data Provider API key for self-hosted environments...</source>
-        <target state="new">Generate Ghostfolio Premium Data Provider API key for self-hosted environments...</target>
+        <target state="translated">Genere la clave API del proveedor de datos premium de Ghostfolio para entornos autohospedados...</target>
         <context-group purpose="location">
           <context context-type="sourcefile">libs/ui/src/lib/membership-card/membership-card.component.html</context>
           <context context-type="linenumber">26</context>
@@ -7113,7 +7113,7 @@
       </trans-unit>
       <trans-unit id="e232c3b25e76f260c7801bfacb60eda70dd44efc" datatype="html">
         <source>out of</source>
-        <target state="new">out of</target>
+        <target state="translated">fuera de</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/pages/portfolio/x-ray/x-ray-page.component.html</context>
           <context context-type="linenumber">56</context>
@@ -7121,7 +7121,7 @@
       </trans-unit>
       <trans-unit id="8508033bf4a7ba848a54b1606283d2f38679ede9" datatype="html">
         <source>rules align with your portfolio.</source>
-        <target state="new">rules align with your portfolio.</target>
+        <target state="translated">Las reglas se alinean con su cartera.</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/pages/portfolio/x-ray/x-ray-page.component.html</context>
           <context context-type="linenumber">58</context>
@@ -7129,7 +7129,7 @@
       </trans-unit>
       <trans-unit id="3768927257183755959" datatype="html">
         <source>Save</source>
-        <target state="new">Save</target>
+        <target state="translated">Ahorrar</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/components/portfolio-summary/portfolio-summary.component.ts</context>
           <context context-type="linenumber">69</context>
@@ -7137,7 +7137,7 @@
       </trans-unit>
       <trans-unit id="c8b54fb8af53c13793e37377e06bbcd3c7dc2c7d" datatype="html">
         <source>Asset Class Cluster Risks</source>
-        <target state="new">Asset Class Cluster Risks</target>
+        <target state="translated">Riesgos del grupo de clases de activos</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/pages/portfolio/x-ray/x-ray-page.component.html</context>
           <context context-type="linenumber">117</context>