Provide examples of how to use Alpha Vantage API

Author: thammo4

av_examples.py

@@ -0,0 +1,68 @@
+import os, dotenv;
+
+import numpy as np;
+import pandas as pd;
+
+from alpha_vantage.timeseries import TimeSeries;
+from alpha_vantage.foreignexchange import ForeignExchange;
+from alpha_vantage.techindicators import TechIndicators;
+from alpha_vantage.sectorperformance import SectorPerformances;
+
+
+#
+# Load Alpha Vantage API Keys from .env file
+#
+
+dotenv.load_dotenv();
+
+alpha_vantage_api_key = os.getenv('alpha_vantage_api_key');
+
+
+
+#
+# Instantiate base objects for:
+# 	• time series
+# 	• foreign exchange
+# 	• technical indicators
+# 	• sector performance
+#
+
+ts = TimeSeries(key=alpha_vantage_api_key, output_format='pandas');
+fx = ForeignExchange(key=alpha_vantage_api_key, output_format='pandas');
+ti = TechIndicators(key=alpha_vantage_api_key, output_format='pandas');
+
+
+# fx = ForeignExchange(key=alpha_vantage_api_key, output_format='pandas');
+# ti = TechIndicators(key=alpha_vantage_api_key, ouput_format='pandas');
+# sp = SectorPerformances(key=alpha_vantage_api_key, ouput_format='pandas');
+
+
+#
+# Daily closing stock prices for Capital One
+#
+
+cof, meta_cof = ts.get_daily(symbol='COF', outputsize='full');
+
+
+#
+# Intraday stock prices for Proctor & Gamble
+#
+
+pg, meta_pg = ts.get_intraday(symbol='PG', interval='1min', outputsize='full');
+
+
+#
+# Foreign exchange rate for Euros -> US Dollars
+#
+# Alpha Vantage API calls return a 2 element list.
+# The second element is normally meta data, but this forex call returns an empty string.
+#
+
+fx_euro_usd, tmp_none = fx.get_currency_exchange_rate(from_currency='EUR', to_currency='USD');
+
+
+#
+# Technical Analysis Indicator - Simple Fifty-Day Moving Average for Linde plc
+#
+
+sma_lin, sma_lin_meta = ti.get_sma(symbol='MCD', interval='monthly', time_period=50, series_type='close');