From 7ad047a432e5161a68427b53d0748c540aadf710 Mon Sep 17 00:00:00 2001
From: fredfortier <fredfortier@gmail.com>
Date: Tue, 31 Oct 2017 19:20:39 -0400
Subject: [PATCH] BUG: fixed an issue with can_trade()

---
 catalyst/assets/_assets.pyx | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/catalyst/assets/_assets.pyx b/catalyst/assets/_assets.pyx
index bd67526e..19ddacd3 100644
--- a/catalyst/assets/_assets.pyx
+++ b/catalyst/assets/_assets.pyx
@@ -559,6 +559,20 @@ cdef class TradingPair(Asset):
             end_minute=self.end_minute
         )
 
+    def is_exchange_open(self, dt_minute):
+        """
+        Parameters
+        ----------
+        dt_minute: pd.Timestamp (UTC, tz-aware)
+            The minute to check.
+
+        Returns
+        -------
+        boolean: whether the asset's exchange is open at the given minute.
+        """
+        #TODO: consider implementing to spot holds
+        return True
+
     cpdef __reduce__(self):
         """
         Function used by pickle to determine how to serialize/deserialize this