def update_charts():
    global stocks_data, strategy_params, A_ask_price, A_bid_price
    ys = []
    for stock_index, stock_data in enumerate(stocks_data):
        st_chart_ds = stock_data.get_historical_short_term_chart_data_set()
        beta = strategy_params.get_st_beta_at_index(stock_index)
        prices = st_chart_ds.get_prices()*beta
        ys.append(prices)

    ys2 = strategy_params.get_stdevs_series()
    ChartUtil.update_plot(ys, ys2, A_bid_price, A_ask_price)
def update_charts():
    global stocks_data, strategy_params, A_ask_price, A_bid_price
    ys = []
    for stock_index, stock_data in enumerate(stocks_data):
        st_chart_ds = stock_data.get_historical_short_term_chart_data_set()
        beta = strategy_params.get_st_beta_at_index(stock_index)
        prices = st_chart_ds.get_prices() * beta
        ys.append(prices)

    ys2 = strategy_params.get_stdevs_series()
    ChartUtil.update_plot(ys, ys2, A_bid_price, A_ask_price)
def plot_stocks(strategy_parameters):
    global stocks_data
    ys = []
    for stock_index, stock_data_object in enumerate(stocks_data):
        chart_data_set = stock_data_object.get_historical_short_term_chart_data_set()
        beta = strategy_params.get_st_beta_at_index(stock_index)
        prices = np.array(chart_data_set.get_prices())
        impv_prices = prices * beta
        ys.append(impv_prices)

    x = chart_data_set.get_dates()
    stdevs = strategy_parameters.get_stdevs_series()
    ChartUtil.setup_plots(x, ys, stdevs)
def plot_stocks(strategy_parameters):
    global stocks_data
    ys = []
    for stock_index, stock_data_object in enumerate(stocks_data):
        chart_data_set = stock_data_object.get_historical_short_term_chart_data_set(
        )
        beta = strategy_params.get_st_beta_at_index(stock_index)
        prices = np.array(chart_data_set.get_prices())
        impv_prices = prices * beta
        ys.append(impv_prices)

    x = chart_data_set.get_dates()
    stdevs = strategy_parameters.get_stdevs_series()
    ChartUtil.setup_plots(x, ys, stdevs)