diff --git a/catalyst/algorithm.py b/catalyst/algorithm.py
index 83855f83..a6fdcebf 100644
--- a/catalyst/algorithm.py
+++ b/catalyst/algorithm.py
@@ -289,7 +289,7 @@ class TradingAlgorithm(object):
         # If a schedule has been provided, pop it. Otherwise, use NYSE.
         self.trading_calendar = kwargs.pop(
             'trading_calendar',
-            get_calendar('NYSE')
+            get_calendar('OPEN')
         )
 
         self.sim_params = kwargs.pop('sim_params', None)
diff --git a/catalyst/data/bundles/poloniex.py b/catalyst/data/bundles/poloniex.py
index 26344b22..7a3dffe2 100644
--- a/catalyst/data/bundles/poloniex.py
+++ b/catalyst/data/bundles/poloniex.py
@@ -167,7 +167,7 @@ def poloniex_cryptoassets(symbols, start=None, end=None):
         # Hardcode the exchange to "POLONIEX" for all assets and (elsewhere)
         # register "YAHOO" to resolve to the OPEN calendar, because these are
         # all cryptoassets and thus use the OPEN calendar.
-        metadata['exchange'] = "POLONIEX"
+        metadata['exchange'] = 'POLO'
         asset_db_writer.write(equities=metadata)
 
     return ingest
@@ -185,6 +185,6 @@ register(
         pd.Timestamp('2010-01-01', tz='utc'),
         pd.Timestamp('2015-01-01', tz='utc'),
     ),
+    calendar_name='OPEN',
+    minutes_per_day=1440,
 )
-
-register_calendar_alias("POLONIEX", "OPEN")
diff --git a/catalyst/examples/buy_and_hold.py b/catalyst/examples/buy_and_hold.py
index 7cc299a3..8b693e66 100644
--- a/catalyst/examples/buy_and_hold.py
+++ b/catalyst/examples/buy_and_hold.py
@@ -15,7 +15,7 @@
 # limitations under the License.
 from catalyst.api import order, symbol
 
-stocks = ['AAPL', 'MSFT']
+stocks = ['USDT_BTC']
 
 
 def initialize(context):
diff --git a/catalyst/pipeline/loaders/crypto_pricing_loader.py b/catalyst/pipeline/loaders/crypto_pricing_loader.py
index 32fa3c14..f8676cce 100644
--- a/catalyst/pipeline/loaders/crypto_pricing_loader.py
+++ b/catalyst/pipeline/loaders/crypto_pricing_loader.py
@@ -37,7 +37,7 @@ class CryptoPricingLoader(PipelineLoader):
         self.raw_price_loader = raw_price_loader
         self._columns = dataset.columns
 
-        cal = get_calendar('NYSE')
+        cal = get_calendar('OPEN')
 
         self._all_sessions = cal.all_sessions
 
diff --git a/catalyst/utils/run_algo.py b/catalyst/utils/run_algo.py
index 696b8245..ff93bb87 100644
--- a/catalyst/utils/run_algo.py
+++ b/catalyst/utils/run_algo.py
@@ -148,7 +148,7 @@ def _run(handle_data,
                 bundle_data.equity_minute_bar_reader.first_trading_day
             data = DataPortal(
                 env.asset_finder,
-                get_calendar('NYSE'),
+                get_calendar('OPEN'),
                 first_trading_day=first_trading_day,
                 equity_minute_reader=bundle_data.equity_minute_bar_reader,
                 equity_daily_reader=bundle_data.equity_daily_bar_reader,