diff --git a/zipline/lines.py b/zipline/lines.py
index a229c9f0..a2a4aa8b 100644
--- a/zipline/lines.py
+++ b/zipline/lines.py
@@ -325,6 +325,10 @@ class SimulatedTrading(object):
         if blocking:
             self.sim_context.join()
 
+    @property
+    def is_success(self):
+        return self.sim.read() and not self.sim.exception
+
     #--------------------------------
     # Component property accessors
     #--------------------------------