diff --git a/apps/price_pusher/grafana-dashboard.sample.json b/apps/price_pusher/grafana-dashboard.sample.json
index b4780fa196..0a6a0b0bf7 100644
--- a/apps/price_pusher/grafana-dashboard.sample.json
+++ b/apps/price_pusher/grafana-dashboard.sample.json
@@ -90,9 +90,9 @@
             "uid": "edryyydtht14wa"
           },
           "editorMode": "code",
-          "expr": "pyth_price_feeds_total{namespace=\"$chain\"}",
+          "expr": "pyth_price_feeds_total{chain=\"$chain\"}",
           "instant": true,
-          "legendFormat": "{{namespace}}",
+          "legendFormat": "{{chain}}",
           "range": false,
           "refId": "A"
         }
@@ -169,9 +169,9 @@
             "uid": "edryyydtht14wa"
           },
           "editorMode": "code",
-          "expr": "count(pyth_price_last_published_time{namespace=\"$chain\"})",
+          "expr": "count(pyth_price_last_published_time{chain=\"$chain\"})",
           "instant": true,
-          "legendFormat": "{{namespace}}",
+          "legendFormat": "{{chain}}",
           "range": false,
           "refId": "A"
         }
@@ -252,7 +252,7 @@
             "uid": "edryyydtht14wa"
           },
           "editorMode": "code",
-          "expr": "time() - pyth_price_last_published_time{namespace=\"$chain\"}",
+          "expr": "time() - pyth_price_last_published_time{chain=\"$chain\"}",
           "instant": true,
           "legendFormat": "{{alias}}",
           "range": false,
@@ -383,7 +383,7 @@
             "uid": "edryyydtht14wa"
           },
           "editorMode": "code",
-          "expr": "pyth_price_last_published_time{namespace=\"$chain\"}",
+          "expr": "pyth_price_last_published_time{chain=\"$chain\"}",
           "format": "table",
           "instant": true,
           "legendFormat": "__auto",
@@ -396,7 +396,7 @@
             "uid": "edryyydtht14wa"
           },
           "editorMode": "code",
-          "expr": "time() - pyth_price_last_published_time{namespace=\"$chain\"}",
+          "expr": "time() - pyth_price_last_published_time{chain=\"$chain\"}",
           "format": "table",
           "instant": true,
           "legendFormat": "__auto",
@@ -409,7 +409,7 @@
             "uid": "edryyydtht14wa"
           },
           "editorMode": "code",
-          "expr": "pyth_price_update_attempts_total{status=\"success\", namespace=\"$chain\"}",
+          "expr": "pyth_price_update_attempts_total{status=\"success\", chain=\"$chain\"}",
           "format": "table",
           "instant": true,
           "legendFormat": "__auto",
@@ -606,7 +606,7 @@
             "uid": "edryyydtht14wa"
           },
           "editorMode": "code",
-          "expr": "increase(pyth_price_update_attempts_total{status=\"success\", namespace=\"$chain\"}[$__range])",
+          "expr": "increase(pyth_price_update_attempts_total{status=\"success\", chain=\"$chain\"}[$__range])",
           "legendFormat": "{{alias}} - Updates",
           "range": true,
           "refId": "A"
@@ -732,7 +732,7 @@
             "uid": "edryyydtht14wa"
           },
           "editorMode": "code",
-          "expr": "sum by (trigger) (increase(pyth_price_update_attempts_total{namespace=\"$chain\"}[$__range]))",
+          "expr": "sum by (trigger) (increase(pyth_price_update_attempts_total{chain=\"$chain\"}[$__range]))",
           "instant": false,
           "legendFormat": "{{trigger}}",
           "range": true,
@@ -819,7 +819,7 @@
             "uid": "edryyydtht14wa"
           },
           "editorMode": "code",
-          "expr": "pyth_wallet_balance{namespace=\"$chain\"}",
+          "expr": "pyth_wallet_balance{chain=\"$chain\"}",
           "instant": true,
           "legendFormat": "{{wallet_address}}",
           "range": false,
@@ -915,7 +915,7 @@
             "uid": "edryyydtht14wa"
           },
           "editorMode": "code",
-          "expr": "pyth_wallet_balance{namespace=\"$chain\"}",
+          "expr": "pyth_wallet_balance{chain=\"$chain\"}",
           "legendFormat": "{{wallet_address}} ({{network}})",
           "range": true,
           "refId": "A"
@@ -1024,7 +1024,7 @@
             "uid": "edryyydtht14wa"
           },
           "editorMode": "code",
-          "expr": "increase(pyth_price_update_attempts_total{status=\"error\", namespace=\"$chain\"}[$__range])",
+          "expr": "increase(pyth_price_update_attempts_total{status=\"error\", chain=\"$chain\"}[$__range])",
           "legendFormat": "{{alias}} - Errors",
           "range": true,
           "refId": "A"
@@ -1077,7 +1077,7 @@
             "uid": "ads9ouz3jh4hsa"
           },
           "editorMode": "code",
-          "expr": "{namespace=~\"$chain\"} | logfmt | json | msg =~ `.*(Price update successful|Transaction confirmed|Successfully updated price).*` | line_format `Tx Hash: {{.hash}}`",
+          "expr": "{chain=~\"$chain\"} | logfmt | json | msg =~ `.*(Price update successful|Transaction confirmed|Successfully updated price).*` | line_format `Tx Hash: {{.hash}}`",
           "queryType": "range",
           "refId": "A"
         }
@@ -1127,7 +1127,7 @@
             "uid": "ads9ouz3jh4hsa"
           },
           "editorMode": "code",
-          "expr": "{namespace=~\"$chain\"} | logfmt",
+          "expr": "{chain=~\"$chain\"} | logfmt",
           "queryType": "range",
           "refId": "A"
         }
@@ -1164,7 +1164,7 @@
             "uid": "ads9ouz3jh4hsa"
           },
           "editorMode": "builder",
-          "expr": "{namespace=~\"$chain\"} | logfmt | detected_level = `error`",
+          "expr": "{chain=~\"$chain\"} | logfmt | detected_level = `error`",
           "queryType": "range",
           "refId": "A"
         }
@@ -1202,7 +1202,7 @@
         "name": "chain",
         "options": [],
         "query": {
-          "label": "namespace",
+          "label": "chain",
           "refId": "LokiVariableQueryEditor-VariableQuery",
           "stream": "",
           "type": 1
diff --git a/apps/price_pusher/package.json b/apps/price_pusher/package.json
index 79abf56c0e..20e69aff37 100644
--- a/apps/price_pusher/package.json
+++ b/apps/price_pusher/package.json
@@ -219,5 +219,5 @@
   },
   "type": "module",
   "types": "./dist/index.d.ts",
-  "version": "10.4.0"
+  "version": "10.5.0"
 }
diff --git a/apps/price_pusher/src/aptos/command.ts b/apps/price_pusher/src/aptos/command.ts
index ab6928b873..dfbde2e271 100644
--- a/apps/price_pusher/src/aptos/command.ts
+++ b/apps/price_pusher/src/aptos/command.ts
@@ -51,6 +51,7 @@ export default {
     ...options.controllerLogLevel,
     ...options.enableMetrics,
     ...options.metricsPort,
+    ...options.metricsChain,
   },
   command: "aptos",
   describe: "run price pusher for aptos",
@@ -70,6 +71,7 @@ export default {
       controllerLogLevel,
       enableMetrics,
       metricsPort,
+      metricsChain,
     } = argv;
 
     const logger = pino({ level: logLevel });
@@ -82,7 +84,10 @@ export default {
     // Initialize metrics if enabled
     let metrics: PricePusherMetrics | undefined;
     if (enableMetrics) {
-      metrics = new PricePusherMetrics(logger.child({ module: "Metrics" }));
+      metrics = new PricePusherMetrics(
+        logger.child({ module: "Metrics" }),
+        metricsChain ?? "aptos",
+      );
       metrics.start(metricsPort);
       logger.info(`Metrics server started on port ${metricsPort}`);
     }
diff --git a/apps/price_pusher/src/evm/command.ts b/apps/price_pusher/src/evm/command.ts
index 281c9d9ab0..f7fb521f9e 100644
--- a/apps/price_pusher/src/evm/command.ts
+++ b/apps/price_pusher/src/evm/command.ts
@@ -93,6 +93,7 @@ export default {
     ...options.controllerLogLevel,
     ...options.enableMetrics,
     ...options.metricsPort,
+    ...options.metricsChain,
   },
   command: "evm",
   describe: "run price pusher for evm",
@@ -118,6 +119,7 @@ export default {
       controllerLogLevel,
       enableMetrics,
       metricsPort,
+      metricsChain,
     } = argv;
 
     const logger = pino({
@@ -150,7 +152,10 @@ export default {
     // Initialize metrics if enabled
     let metrics: PricePusherMetrics | undefined;
     if (enableMetrics) {
-      metrics = new PricePusherMetrics(logger.child({ module: "Metrics" }));
+      metrics = new PricePusherMetrics(
+        logger.child({ module: "Metrics" }),
+        metricsChain ?? "evm",
+      );
       metrics.start(metricsPort);
       logger.info(`Metrics server started on port ${metricsPort}`);
     }
diff --git a/apps/price_pusher/src/metrics.ts b/apps/price_pusher/src/metrics.ts
index fb129f79e6..edebb723ae 100644
--- a/apps/price_pusher/src/metrics.ts
+++ b/apps/price_pusher/src/metrics.ts
@@ -23,13 +23,19 @@ export class PricePusherMetrics {
   // Wallet metrics
   public walletBalance: Gauge;
 
-  constructor(logger: Logger) {
+  constructor(logger: Logger, chain: string) {
     this.logger = logger;
     this.registry = new Registry();
     this.server = express();
 
-    // Register the default metrics (memory, CPU, etc.)
-    this.registry.setDefaultLabels({ app: "price_pusher" });
+    // Register the default metrics (memory, CPU, etc.). `chain` is set as a
+    // default label so the sample Grafana dashboard's `chain=$chain` filter
+    // actually matches emitted series. Deliberately not named `namespace` —
+    // Kubernetes Prometheus service discovery auto-applies a `namespace`
+    // label representing the pod's k8s namespace, and with the default
+    // `honor_labels: false` our label would be renamed to
+    // `exported_namespace` and the dashboard filter would silently break.
+    this.registry.setDefaultLabels({ app: "price_pusher", chain });
 
     // Create metrics
     this.lastPublishedTime = new Gauge({
diff --git a/apps/price_pusher/src/options.ts b/apps/price_pusher/src/options.ts
index 294dbd8eca..8f6239b8c2 100644
--- a/apps/price_pusher/src/options.ts
+++ b/apps/price_pusher/src/options.ts
@@ -103,3 +103,17 @@ export const metricsPort = {
     type: "number",
   } as Options,
 };
+
+export const metricsChain = {
+  "metrics-chain": {
+    description:
+      "Value emitted as the `chain` label on every Prometheus metric. " +
+      "The sample Grafana dashboard filters by `chain=$chain`, so set this " +
+      "to your deployment's chain/network name (e.g. `bsc-mainnet`, `sui-testnet`). " +
+      "Defaults to the chain command name (e.g. `evm`, `sui`, `aptos`, `solana`). " +
+      "Named `chain` rather than `namespace` to avoid colliding with the " +
+      "Kubernetes Prometheus service-discovery `namespace` label.",
+    type: "string",
+    required: false,
+  } as Options,
+};
diff --git a/apps/price_pusher/src/solana/command.ts b/apps/price_pusher/src/solana/command.ts
index 8f3b13163c..bc3ce4e0b7 100644
--- a/apps/price_pusher/src/solana/command.ts
+++ b/apps/price_pusher/src/solana/command.ts
@@ -124,6 +124,7 @@ export default {
     ...options.controllerLogLevel,
     ...options.enableMetrics,
     ...options.metricsPort,
+    ...options.metricsChain,
   },
   command: "solana",
   describe: "run price pusher for solana",
@@ -153,6 +154,7 @@ export default {
       metricsPort,
       pythReceiverProgramId,
       wormholeProgramId,
+      metricsChain,
     } = argv;
 
     const logger = pino({ level: logLevel });
@@ -166,7 +168,10 @@ export default {
     // Initialize metrics if enabled
     let metrics: PricePusherMetrics | undefined;
     if (enableMetrics) {
-      metrics = new PricePusherMetrics(logger.child({ module: "Metrics" }));
+      metrics = new PricePusherMetrics(
+        logger.child({ module: "Metrics" }),
+        metricsChain ?? "solana",
+      );
       metrics.start(metricsPort);
       logger.info(`Metrics server started on port ${metricsPort}`);
     }
diff --git a/apps/price_pusher/src/sui/command.ts b/apps/price_pusher/src/sui/command.ts
index 270a1b936e..3482a9714b 100644
--- a/apps/price_pusher/src/sui/command.ts
+++ b/apps/price_pusher/src/sui/command.ts
@@ -79,6 +79,7 @@ export default {
     ...options.controllerLogLevel,
     ...options.enableMetrics,
     ...options.metricsPort,
+    ...options.metricsChain,
   },
   command: "sui",
   describe:
@@ -105,6 +106,7 @@ export default {
       controllerLogLevel,
       enableMetrics,
       metricsPort,
+      metricsChain,
     } = argv;
 
     const logger = pino({ level: logLevel });
@@ -141,7 +143,10 @@ export default {
     // Initialize metrics if enabled
     let metrics: PricePusherMetrics | undefined;
     if (enableMetrics) {
-      metrics = new PricePusherMetrics(logger.child({ module: "Metrics" }));
+      metrics = new PricePusherMetrics(
+        logger.child({ module: "Metrics" }),
+        metricsChain ?? "sui",
+      );
       metrics.start(metricsPort);
       logger.info(`Metrics server started on port ${metricsPort}`);
     }