diff --git a/src/sentry/notifications/defaults.py b/src/sentry/notifications/defaults.py
index 1c3edfc865f73f..ac67a5312c83ad 100644
--- a/src/sentry/notifications/defaults.py
+++ b/src/sentry/notifications/defaults.py
@@ -24,6 +24,7 @@
     NotificationSettingEnum.QUOTA_PROFILE_DURATION_UI: NotificationSettingsOptionEnum.ALWAYS,
     NotificationSettingEnum.QUOTA_SEER_BUDGET: NotificationSettingsOptionEnum.ALWAYS,
     NotificationSettingEnum.QUOTA_LOG_BYTES: NotificationSettingsOptionEnum.ALWAYS,
+    NotificationSettingEnum.QUOTA_TRACE_METRIC_BYTES: NotificationSettingsOptionEnum.ALWAYS,
     NotificationSettingEnum.QUOTA_SEER_USERS: NotificationSettingsOptionEnum.ALWAYS,
     NotificationSettingEnum.QUOTA_SIZE_ANALYSIS: NotificationSettingsOptionEnum.ALWAYS,
     NotificationSettingEnum.QUOTA_WARNINGS: NotificationSettingsOptionEnum.ALWAYS,
diff --git a/src/sentry/notifications/types.py b/src/sentry/notifications/types.py
index a68d5c222b32f6..09ced27513c7cc 100644
--- a/src/sentry/notifications/types.py
+++ b/src/sentry/notifications/types.py
@@ -34,6 +34,7 @@ class NotificationSettingEnum(ValueEqualityEnum):
     QUOTA_SEER_BUDGET = "quotaSeerBudget"
     QUOTA_SPEND_ALLOCATIONS = "quotaSpendAllocations"
     QUOTA_LOG_BYTES = "quotaLogBytes"
+    QUOTA_TRACE_METRIC_BYTES = "quotaTraceMetricBytes"
     QUOTA_SEER_USERS = "quotaSeerUsers"
     QUOTA_SIZE_ANALYSIS = "quotaSizeAnalyses"
     SPIKE_PROTECTION = "spikeProtection"
@@ -152,6 +153,10 @@ class UserOptionsSettingsKey(Enum):
         NotificationSettingsOptionEnum.ALWAYS,
         NotificationSettingsOptionEnum.NEVER,
     },
+    NotificationSettingEnum.QUOTA_TRACE_METRIC_BYTES: {
+        NotificationSettingsOptionEnum.ALWAYS,
+        NotificationSettingsOptionEnum.NEVER,
+    },
     NotificationSettingEnum.QUOTA_SEER_USERS: {
         NotificationSettingsOptionEnum.ALWAYS,
         NotificationSettingsOptionEnum.NEVER,
diff --git a/tests/sentry/notifications/api/endpoints/test_notification_defaults.py b/tests/sentry/notifications/api/endpoints/test_notification_defaults.py
index 99475074dbc880..d66877c298ab48 100644
--- a/tests/sentry/notifications/api/endpoints/test_notification_defaults.py
+++ b/tests/sentry/notifications/api/endpoints/test_notification_defaults.py
@@ -30,6 +30,7 @@ def test_basic(self) -> None:
                 "quotaProfileDurationUI": "always",
                 "quotaSeerBudget": "always",
                 "quotaLogBytes": "always",
+                "quotaTraceMetricBytes": "always",
                 "reports": "always",
                 "spikeProtection": "always",
                 "workflow": "subscribe_only",
diff --git a/tests/sentry/notifications/api/endpoints/test_user_notification_settings_options.py b/tests/sentry/notifications/api/endpoints/test_user_notification_settings_options.py
index cfaa96c7e2b53f..4dbe450dc81c1e 100644
--- a/tests/sentry/notifications/api/endpoints/test_user_notification_settings_options.py
+++ b/tests/sentry/notifications/api/endpoints/test_user_notification_settings_options.py
@@ -104,6 +104,7 @@ def test_user_scope(self) -> None:
             NotificationSettingEnum.QUOTA_MONITOR_SEATS,
             NotificationSettingEnum.QUOTA_SPANS,
             NotificationSettingEnum.QUOTA_LOG_BYTES,
+            NotificationSettingEnum.QUOTA_TRACE_METRIC_BYTES,
             NotificationSettingEnum.QUOTA_SEER_USERS,
             NotificationSettingEnum.QUOTA_SIZE_ANALYSIS,
         ]