diff --git a/bot.py b/bot.py
index a14c397..b76ab21 100644
--- a/bot.py
+++ b/bot.py
@@ -91,45 +91,24 @@ def on_trade(message: dict, orderman: OrderManager, state: StateManager):
 
 
 def execute_arb(orderman: OrderManager, state: StateManager):
-    p_valbz = state.get_fair_value("VALBZ")
-    p_vale = state.get_fair_value("VALE")
-    p_bond = state.get_fair_value("BOND")
-    p_gs = state.get_fair_value("GS")
-    p_ms = state.get_fair_value("MS")
-    p_wfc = state.get_fair_value("WFC")
-    p_xlf = state.get_fair_value("XLF")
+    bid_valbz, ask_valbz = state.get_best_bid_ask("VALBZ")
+    bid_vale, ask_vale = state.get_fair_value("VALE")
 
-    if p_vale is None or p_valbz is None:
+    if bid_valbz is None or ask_valbz is None or bid_vale is None or ask_vale is None:
         return
 
-    vale_to_valbz = p_valbz - p_vale
-    valbz_to_vale = p_vale - p_valbz
+    vale_to_valbz = bid_valbz - ask_vale - 2
+    valbz_to_vale = bid_vale - ask_valbz - 2
 
     if vale_to_valbz > 10:
-        orderman.buy("VALE", Dir.BUY, p_vale, 10)
+        orderman.buy("VALE", bid_vale + 1, 10)
         orderman.convert("VALE", Dir.SELL, 10)
-        orderman.sell("VALBZ", Dir.SELL, p_valbz, 10)
+        orderman.sell("VALBZ", ask_valbz - 1, 10)
     elif valbz_to_vale > 10:
-        orderman.buy("VALBZ", Dir.BUY, p_valbz, 10)
+        orderman.buy("VALBZ", bid_valbz + 1, 10)
         orderman.convert("VALE", Dir.BUY, 10)
-        orderman.sell("VALE", Dir.SELL, p_vale, 10)
+        orderman.sell("VALE", ask_vale - 1, 10)
 
-    if p_xlf is not None and all(p is not None for p in [p_bond, p_gs, p_ms, p_wfc]):
-        components = p_bond * 3 + p_gs * 2 + p_ms * 3 + p_wfc * 2
-        xlf_fair = components / 10
-
-        if p_xlf > xlf_fair + 10:
-            orderman.sell("XLF", Dir.SELL, p_xlf, 10)
-            orderman.buy("BOND", Dir.BUY, p_bond, 30)
-            orderman.buy("GS", Dir.BUY, p_gs, 20)
-            orderman.buy("MS", Dir.BUY, p_ms, 30)
-            orderman.buy("WFC", Dir.BUY, p_wfc, 20)
-        elif xlf_fair > p_xlf + 10:
-            orderman.buy("XLF", Dir.BUY, p_xlf, 10)
-            orderman.sell("BOND", Dir.SELL, p_bond, 30)
-            orderman.sell("GS", Dir.SELL, p_gs, 20)
-            orderman.sell("MS", Dir.SELL, p_ms, 30)
-            orderman.sell("WFC", Dir.SELL, p_wfc, 20)
 
 # ~~~~~============== PROVIDED CODE ==============~~~~~
 
diff --git a/order.py b/order.py
index 07510a5..2f35660 100644
--- a/order.py
+++ b/order.py
@@ -81,22 +81,22 @@ class OrderManager:
         self._send_timestamps.append(now)
         return True
 
-    def sell(self, symbol: str, dir: Dir, price: int, size: int):
+    def sell(self, symbol: str, price: int, size: int):
         return self._attempt_send(
             "add",
             order_id=self.next_order(),
             symbol=symbol,
-            dir=dir,
+            dir=Dir.SELL,
             price=price,
             size=size,
         )
 
-    def buy(self, symbol: str, dir: Dir, price: int, size: int):
+    def buy(self, symbol: str, price: int, size: int):
         return self._attempt_send(
             "add",
             order_id=self.next_order(),
             symbol=symbol,
-            dir=dir,
+            dir=Dir.BUY,
             price=price,
             size=size,
         )
diff --git a/state.py b/state.py
index 3fec2ca..7042a6d 100644
--- a/state.py
+++ b/state.py
@@ -39,6 +39,9 @@ class StateManager:
         if ask_price is not None:
             self.ask_prices[symbol] = ask_price
 
+    def get_best_bid_ask(self, symbol: str):
+        return self.bid_prices.get(symbol), self.ask_prices.get(symbol)
+    
     def get_position(self, symbol: str) -> int:
         return self.positions.get(symbol, 0)