diff --git a/analyze.py b/analyze.py
index 5f5aa76..1ae9aa3 100644
--- a/analyze.py
+++ b/analyze.py
@@ -83,7 +83,7 @@ ALERT_THRESHOLD     = 0.35  # signal_score > this → alert
 # Claude metrics
 # ---------------------------------------------------------------------------
 
-METRICS_FILE = Path(__file__).parent / "metrics.json"
+METRICS_FILE = Path(os.getenv("DATA_DIR", str(Path(__file__).parent / "data"))) / "metrics.json"
 
 # Pricing: Claude 3 Haiku — https://www.anthropic.com/pricing
 _PRICE_INPUT_PER_TOKEN  = 0.25 / 1_000_000   # $0.25 per MTok
diff --git a/dashboard.py b/dashboard.py
index 029e599..2bcd436 100644
--- a/dashboard.py
+++ b/dashboard.py
@@ -28,7 +28,7 @@ from report import _c25_day_return, _unrealised_pnl, _realised_pnl, _total_fees,
 
 CAPITAL      = 10_000
 LOG_DIR      = Path(os.getenv("LOG_DIR", str(Path(__file__).parent / "logs")))
-METRICS_FILE = Path(__file__).parent / "metrics.json"
+METRICS_FILE = Path(os.getenv("DATA_DIR", str(Path(__file__).parent / "data"))) / "metrics.json"
 REFRESH      = 60   # seconds
 
 app = Flask(__name__)