diff --git a/bot_x.py b/bot_x.py
index a725bdf..125ee67 100644
--- a/bot_x.py
+++ b/bot_x.py
@@ -337,6 +337,10 @@ def main():
 
         if not market_open or xlf_state != "IDLE":
             return
+        if any(mean_rev.position.get(s) is not None for s in symbols_for_mr):
+            return
+        if any(cross_ema.last_signal.get(s) is not None for s in symbols_for_ema):
+            return
 
         bond_ask = state.ask_prices["BOND"]
         gs_ask = state.ask_prices["GS"]
@@ -407,6 +411,10 @@ def main():
 
         if not market_open or vale_state != "IDLE":
             return
+        if any(mean_rev.position.get(s) is not None for s in symbols_for_mr):
+            return
+        if any(cross_ema.last_signal.get(s) is not None for s in symbols_for_ema):
+            return
 
         vale_bid = state.bid_prices["VALE"]
         vale_ask = state.ask_prices["VALE"]