Ejemplo n.º 1
0
def prediction():
	symbol = request.get_data()
	date = time.strftime('%Y-%m-%d')
	stock = yahoo_finance.Share(symbol)
	opening_price = stock.get_open()
	closing_price = 0.0
	twitter_sentiment = tweet_query(symbol)
	headline_sentiment = nytimes_sentiment(symbol)
	overall_sentiment_num = twitter_sentiment[0] + headline_sentiment[0]
	overall_sentiment = 'Positive' if overall_sentiment_num > 505 else 'Negative'
	pos_azure_sentiment = azure_req(date, symbol, 'Positive', float(opening_price) * 1.05)
	neg_azure_sentiment = azure_req(date, symbol, 'Negative', float(opening_price) * .95)

	pos_val = float(pos_azure_sentiment['Results']['output1']['value']['Values'][0][4])
	neg_val = float(neg_azure_sentiment['Results']['output1']['value']['Values'][0][4])
	print pos_val, neg_val
	midpoint = abs((pos_val + neg_val) / 2)
	if overall_sentiment == 'Positive':
		closing_price +=  float(opening_price) + (((pos_val - midpoint) / midpoint) * float(opening_price))
	else:
		closing_price +=  float(opening_price) - (((midpoint - neg_val) / midpoint) * float(opening_price))

	difference = closing_price - float(opening_price)
	percent_diff = (difference / float(opening_price)) * 100 
	json_result = {
		'success': True,
		'opening_price' : opening_price,
		'closing_price': closing_price,
		'difference': str(percent_diff),
		'sentiment': overall_sentiment
	}

	return jsonify(json_result)
Ejemplo n.º 2
0
def tweets():
	symbol = request.get_data()
	twitter_sentiment = tweet_query(symbol)
	json_result = {
		'success' : True,
		'sentiment' : twitter_sentiment[2],
		'num_pos' : str(twitter_sentiment[0]),
		'num_neg' : str(twitter_sentiment[1]),
		'percent_pos' : str((float(twitter_sentiment[0]) / (twitter_sentiment[0] + twitter_sentiment[1])) * 100),
		'percent_neg' : str((float(twitter_sentiment[1]) / (twitter_sentiment[0] + twitter_sentiment[1])) * 100)
	}

	return jsonify(json_result)