TAKline
TA.CDLDRAGONFLYDOJI() - 蜻蜓十字
Dragonfly Doji 蜻蜓十字，开盘价=收盘价=最高价，只有长下影线的十字星。
语法
python
TA.CDLDRAGONFLYDOJI(opens, highs, lows, closes)返回值
- 100：识别到蜻蜓十字（看涨信号）
- 0：未识别到
形态特征
- 开=收=高：开盘价、收盘价、最高价相同
- 长下影线：下影线很长
- 无上影线：没有上影线
信号解读
价格被大幅压低后完全收复，显示买方力量强劲，是强烈的看涨信号。
使用示例
python
def dragonfly_doji():
records = exchange.GetRecords()
opens = [r['Open'] for r in records]
highs = [r['High'] for r in records]
lows = [r['Low'] for r in records]
closes = [r['Close'] for r in records]
pattern = TA.CDLDRAGONFLYDOJI(opens, highs, lows, closes)
if pattern[-1] == 100:
# 确认在支撑位
support = TA.MIN(lows[-50:-1], 49)[-1]
if abs(lows[-1] - support) / support < 0.02:
exchange.Buy(-1, 1)
Log("支撑位蜻蜓十字 - 强烈看涨")