def analyze(stock_code, date, period1, period2):
signal = ""
score = 0.0
recent_high_price = bd.getHighPriceInPeriod("CLOSE_TODAY", stock_code, date, period1)
recent_low_price = bd.getLowPriceInPeriod("CLOSE_TODAY", stock_code, date, period1)
close_today = bd.getBasicData("CLOSE_TODAY", stock_code, date)
BBI = getBBI(stock_code, date)
if (abs(close_today - recent_high_price) / recent_high_price <= HIGH_OFFSET / 100) and (BBI > close_today):
score = score - 1
signal = signal + "[-1]股价在高价区以收市价跌破多空线为卖出信号;"
if (abs(close_today - recent_low_price) / recent_low_price <= LOW_OFFSET / 100) and (BBI < close_today):
score = score + 1
signal = signal + "[1]股价在低价区以收市价突破多空线为买入信号;"
BBIs = getBBIs(stock_code, date, period2)
K = mu.getPoly(BBIs, 1)[0]
if (K > 0) and (BBI > close_today):
score += 1
signal += "[1]多空指数由下向上递增，股价在多空线上方，表明多头势强，可以继续持股;"
if (K < 0) and (BBI < close_today):
score -= 1
signal += "[-1]多空指数由上向下递减，股价在多空线下方，表明空头势强，一般不宜买入;"
print score
print signal.decode("utf-8").encode("gbk")
bd.updateAnalysisData("BBI", str(score) + ";" + signal, stock_code, date)
return [score, signal]
def calcWR(stock_code, date, period):
close_today = bd.getBasicData("CLOSE_TODAY", stock_code, date)
high_today = bd.getHighPriceInPeriod("HIGH_TODAY", stock_code, date, period)
low_today = bd.getLowPriceInPeriod("LOW_TODAY", stock_code, date, period)
WR = 100 - (close_today - low_today) / (high_today - low_today) * 100
return round(WR, 3)
