def isHammer(quotes: List[Quote]) -> float:
if len(quotes) < 3:
return 0
if is_red(quotes[0]) and is_green(quotes[2]) and body_length(quotes[1]) != 0 and \
quotes[1].low_price < min(quotes[0].low_price, quotes[2].low_price) and \
(upper_shadow(quotes[1]) == 0 or lower_shadow(quotes[1]) / upper_shadow(quotes[1]) > 3):
ratio_shadow_to_body = lower_shadow(quotes[1]) / body_length(quotes[1])
if ratio_shadow_to_body > 2:
return ratio_shadow_to_body
return 0
def isLeggyDoji(quotes: List[Quote]) -> bool:
if len(quotes) >= 1 and quotes[0].high_price > body_top(quotes[0]) and \
quotes[0].low_price < body_bottom(quotes[0]) and \
(body_length(quotes[0]) == 0 or
(min(upper_shadow(quotes[0]), lower_shadow(quotes[0])) / body_length > 3)):
return True
return False
def isDojiDragonfly(quotes: List[Quote]) -> float:
if len(quotes) < 3:
return 0
if quotes[1].high_price == body_top and is_red(quotes[0]) and is_green(quotes[2]) and \
quotes[1].low_price < body_bottom(quotes[1]) < min(quotes[0].open_price, quotes[2].close_price) and \
(body_length == 0 or lower_shadow(quotes[1]) / body_length(quotes[1]) > 3):
return confirm_fall_to_growth_trend_reversal(quotes, 1)
return 0
def isAbandonedBaby(quotes: List[Quote]) -> float:
if len(quotes) < 3:
return 0
if is_red(quotes[0]) and is_green(quotes[2]) and \
quotes[1].high_price < min(quotes[0].low_price, quotes[2].low_price) and \
(body_length(quotes[1]) == 0 or min(lower_shadow(quotes[1]),
upper_shadow(quotes[1])) / body_length(quotes[1]) > 2):
return 5
return 0
def isDojiMorningStar(quotes: List[Quote]) -> float:
if len(quotes) < 3:
return 0
if is_red(quotes[0]) and is_green(quotes[2]) and \
body_top(quotes[1]) < min(quotes[0].close_price, quotes[2].open_price) and \
(body_length(quotes[1]) == 0 or min(lower_shadow(quotes[1]),
upper_shadow(quotes[1])) / body_length(quotes[1]) > 2):
return 2
return 0
