Fixes 1000 scaling price issue

catalyst/data/bundles/poloniex.py

@@ -102,7 +102,10 @@ class PoloniexBundle(BaseCryptoPricingBundle):
         )
         raw.set_index('date', inplace=True)
 
-        scale = 1
+        # BcolzDailyBarReader introduces a 1/1000 factor in the way pricing is stored
+        # on disk, which we compensate here to get the right pricing amounts
+        # ref: data/us_equity_pricing.py
+        scale = 1000
         raw.loc[:, 'open'] /= scale
         raw.loc[:, 'high'] /= scale
         raw.loc[:, 'low'] /= scale