diff --git a/nautilus_actor_test_implementation_5x.py b/nautilus_actor_test_implementation_5x.py
index 704bf37..6a64517 100644
--- a/nautilus_actor_test_implementation_5x.py
+++ b/nautilus_actor_test_implementation_5x.py
@@ -1,4 +1,3 @@
-
 import time
 import numpy as np
 import asyncio
@@ -713,21 +712,14 @@ class DOLPHINRegimeActor(Actor):
         bear_ratio = bearish / analyzed
         sideways_ratio = 1.0 - bull_ratio - bear_ratio
         
-        # PRESERVED: Original regime determination logic
+        # MODIFIED: Original DOLPHIN Algorithm - Simple 3-regime detection
         if bull_ratio >= self.bull_threshold:  # 60% bullish
             regime = MarketRegime.BULL
         elif bear_ratio >= self.bear_threshold:  # 55% bearish
             regime = MarketRegime.BEAR
         else:
-            # Check for transition
-            if self.previous_bull_ratio is not None:
-                ratio_change = abs(bull_ratio - self.previous_bull_ratio)
-                if ratio_change >= 0.15:  # 15% change threshold
-                    regime = MarketRegime.TRANSITION
-                else:
-                    regime = MarketRegime.SIDEWAYS
-            else:
-                regime = MarketRegime.SIDEWAYS
+            # Everything else is sideways
+            regime = MarketRegime.SIDEWAYS
         
         # PRESERVED: Original confidence calculation
         confidence = self._calculate_confidence(bull_ratio, bear_ratio, analyzed, total_symbols)