fix: add no-key fallback for sector ratio benchmarks

1 files changed, 38 insertions, 23 deletions

diff --git a/backend/app/services/data_service.py b/backend/app/services/data_service.py
index ab06723..f913ec5 100644
--- a/backend/app/services/data_service.py
+++ b/backend/app/services/data_service.py
@@ -830,8 +830,6 @@ def compute_sector_ratio_benchmarks(symbol: str) -> dict[str, float]:
     """Median TTM ratio benchmarks from same-sector peers (FMP-backed when available)."""
     sym = normalize_symbol(symbol)
     fmp_key = os.getenv("FMP_API_KEY")
-    if not fmp_key:
-        return {}
 
     info = get_company_info(sym)
     sector_raw = info.get("sector") if isinstance(info, dict) else None
@@ -843,27 +841,44 @@ def compute_sector_ratio_benchmarks(symbol: str) -> dict[str, float]:
         return {}
 
     peer_symbols: list[str] = []
-    try:
-        with httpx.Client(timeout=3.5) as client:
-            res = client.get(
-                "https://financialmodelingprep.com/api/v3/stock-screener",
-                params={
-                    "sector": sector,
-                    "isEtf": "false",
-                    "isActivelyTrading": "true",
-                    "limit": 12,
-                    "apikey": fmp_key,
-                },
-            )
-            rows = res.json()
-            if isinstance(rows, list):
-                for row in rows:
-                    psym = normalize_symbol((row or {}).get("symbol"))
-                    if not psym or psym == sym:
-                        continue
-                    peer_symbols.append(psym)
-    except Exception:
-        return {}
+    if fmp_key:
+        try:
+            with httpx.Client(timeout=3.5) as client:
+                res = client.get(
+                    "https://financialmodelingprep.com/api/v3/stock-screener",
+                    params={
+                        "sector": sector,
+                        "isEtf": "false",
+                        "isActivelyTrading": "true",
+                        "limit": 12,
+                        "apikey": fmp_key,
+                    },
+                )
+                rows = res.json()
+                if isinstance(rows, list):
+                    for row in rows:
+                        psym = normalize_symbol((row or {}).get("symbol"))
+                        if not psym or psym == sym:
+                            continue
+                        peer_symbols.append(psym)
+        except Exception:
+            peer_symbols = []
+
+    # No-key or FMP failure fallback: search by sector term, then filter by exact sector.
+    if not peer_symbols:
+        try:
+            candidates = search_tickers(sector)
+        except Exception:
+            candidates = []
+        target_sector = sector.lower()
+        for row in candidates[:24]:
+            psym = normalize_symbol((row or {}).get("symbol"))
+            if not psym or psym == sym:
+                continue
+            pinfo = get_company_info(psym)
+            psector = str((pinfo or {}).get("sector") or "").strip().lower()
+            if psector and psector == target_sector:
+                peer_symbols.append(psym)
 
     if not peer_symbols:
         return {}