diff --git a/zipline/examples/quantopian_dual_ema_talib.py b/zipline/examples/quantopian_dual_ema_talib.py
new file mode 100644
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+++ b/zipline/examples/quantopian_dual_ema_talib.py
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+#!/usr/bin/env python
+#
+# Copyright 2014 Quantopian, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+"""Dual Moving Average Crossover algorithm.
+
+This algorithm buys apple once its short moving average crosses
+its long moving average (indicating upwards momentum) and sells
+its shares once the averages cross again (indicating downwards
+momentum).
+
+"""
+
+# Import exponential moving average from talib wrapper
+from zipline.transforms.ta import EMA
+
+
+def initialize(context):
+    context.security = symbol('AAPL')
+
+    # Add 2 mavg transforms, one with a long window, one with a short window.
+    context.short_ema_trans = EMA(timeperiod=20)
+    context.long_ema_trans = EMA(timeperiod=40)
+
+    # To keep track of whether we invested in the stock or not
+    context.invested = False
+
+
+def handle_data(context, data):
+    short_ema = context.short_ema_trans.handle_data(data)
+    long_ema = context.long_ema_trans.handle_data(data)
+    if short_ema is None or long_ema is None:
+        return
+
+    buy = False
+    sell = False
+
+    if (short_ema > long_ema).all() and not context.invested:
+        order(context.security, 100)
+        context.invested = True
+        buy = True
+    elif (short_ema < long_ema).all() and context.invested:
+        order(context.security, -100)
+        context.invested = False
+        sell = True
+
+    record(AAPL=data[context.security].price,
+           short_ema=short_ema[context.security],
+           long_ema=long_ema[context.security],
+           buy=buy,
+           sell=sell)
+
+
+if __name__ == '__main__':
+    from datetime import datetime
+    import matplotlib.pyplot as plt
+    import pytz
+    from zipline.algorithm import TradingAlgorithm
+    from zipline.api import order, record, symbol
+    from zipline.utils.factory import load_from_yahoo
+
+    start = datetime(2014, 1, 1, 0, 0, 0, 0, pytz.utc)
+    end = datetime(2014, 11, 1, 0, 0, 0, 0, pytz.utc)
+    data = load_from_yahoo(stocks=['AAPL'], indexes={}, start=start,
+                           end=end)
+
+    algo = TradingAlgorithm(initialize=initialize, handle_data=handle_data)
+    results = algo.run(data).dropna()
+
+    fig = plt.figure()
+    ax1 = fig.add_subplot(211, ylabel='portfolio value')
+    results.portfolio_value.plot(ax=ax1)
+
+    ax2 = fig.add_subplot(212)
+    results[['AAPL', 'short_ema', 'long_ema']].plot(ax=ax2)
+
+    ax2.plot(results.ix[results.buy].index, results.short_ema[results.buy],
+             '^', markersize=10, color='m')
+    ax2.plot(results.ix[results.sell].index, results.short_ema[results.sell],
+             'v', markersize=10, color='k')
+    plt.legend(loc=0)
+    plt.gcf().set_size_inches(18, 8)
+    plt.show()