feat(strategy): add parameter validation to all strategies

1 files changed, 13 insertions, 0 deletions

diff --git a/services/strategy-engine/strategies/volume_profile_strategy.py b/services/strategy-engine/strategies/volume_profile_strategy.py
index e9463bf..b91e107 100644
--- a/services/strategy-engine/strategies/volume_profile_strategy.py
+++ b/services/strategy-engine/strategies/volume_profile_strategy.py
@@ -29,6 +29,19 @@ class VolumeProfileStrategy(BaseStrategy):
         self._value_area_pct = float(params.get("value_area_pct", 0.7))
         self._quantity = Decimal(str(params.get("quantity", "0.01")))
 
+        if self._lookback_period < 2:
+            raise ValueError(
+                f"Volume profile lookback_period must be >= 2, got {self._lookback_period}"
+            )
+        if self._num_bins < 2:
+            raise ValueError(f"Volume profile num_bins must be >= 2, got {self._num_bins}")
+        if not (0 < self._value_area_pct <= 1):
+            raise ValueError(
+                f"Volume profile value_area_pct must be 0 < pct <= 1, got {self._value_area_pct}"
+            )
+        if self._quantity <= 0:
+            raise ValueError(f"Quantity must be positive, got {self._quantity}")
+
     def reset(self) -> None:
         self._candles.clear()
         self._was_below_va = False