diff --git a/backend/services/saxo_client.py b/backend/services/saxo_client.py
index 09a39a7..f2e8928 100644
--- a/backend/services/saxo_client.py
+++ b/backend/services/saxo_client.py
@@ -241,8 +241,10 @@ def get_price_quote(symbol: str, asset_type: str = "FxSpot", amount: int = 10000
 
 
 def get_price_history(symbol: str, asset_type: str = "FxSpot", days: int = 90) -> List[Dict[str, Any]]:
-    """Daily OHLC bars via Saxo's Chart API (GET /chart/v1/charts, Horizon=1440 = daily
-    bars). NOT yet verified against a live account (unlike get_price_quote/
+    """Daily OHLC bars via Saxo's Chart API (GET /chart/v3/charts, Horizon=1440 = daily
+    bars). v1 confirmed dead (plain HTML 404, not a Saxo JSON error — 2026-07-23 live
+    test) — Saxo has iterated this service's version over time, v3 is the current best
+    guess, NOT yet verified against a live account (unlike get_price_quote/
     snapshot_options_chain, which were built against confirmed real responses) — this
     follows Saxo's documented chart endpoint shape but needs a live check once deployed.
     Callers should treat any failure here (wrong field names, entitlement gap, etc.) as
@@ -250,7 +252,7 @@ def get_price_history(symbol: str, asset_type: str = "FxSpot", days: int = 90) -
     Returns oldest-first [{"date": "YYYY-MM-DD", "close": float}, ...].
     """
     instrument = resolve_instrument(symbol, asset_types=asset_type)
-    data = _get("/chart/v1/charts", {
+    data = _get("/chart/v3/charts", {
         "AssetType": asset_type,
         "Uic": instrument["uic"],
         "Horizon": 1440,