diff --git a/backend/data/instruments.json b/backend/config/instruments.json
similarity index 100%
rename from backend/data/instruments.json
rename to backend/config/instruments.json
diff --git a/backend/services/instrument_service.py b/backend/services/instrument_service.py
index 7809547..e59255b 100644
--- a/backend/services/instrument_service.py
+++ b/backend/services/instrument_service.py
@@ -15,7 +15,7 @@ from datetime import datetime, date
 logger = logging.getLogger(__name__)
 
 # ── Config loading ─────────────────────────────────────────────────────────────
-CONFIG_PATH = Path(__file__).parent.parent / "data" / "instruments.json"
+CONFIG_PATH = Path(__file__).parent.parent / "config" / "instruments.json"
 _configs: Optional[Dict[str, Any]] = None
 
 # In-memory narrative cache: key = (instrument_id, iso_date) → str