Files
Chan/chanlun/analysis/Find_Trend.py
T
jackyu66gitandCursor 74dec4e50b refactor: 缠论引擎包化与 Web 分层(ECR-001)
将根目录引擎迁入 chanlun/ 并保留兼容 shim;拆分 TF_DF 与 web 服务;
前端模块化;strategies 改用 chanlun 导入;补充 ESS 文档与 golden 回归。

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-05 18:48:20 +08:00

448 lines
18 KiB
Python

import ccxt
import pandas as pd
import numpy as np
import mplfinance as mpf
from talib import MACD, SMA
from datetime import datetime, timedelta
import logging
import datetime as dt
# Configure logging
logging.basicConfig(
filename='chanlun_trading.log',
level=logging.INFO,
format='%(asctime)s - %(levelname)s - %(message)s'
)
# Configuration (user to modify)
BINANCE_API_KEY = 'your_api_key' # Replace with your Binance API key
BINANCE_API_SECRET = 'your_api_secret' # Replace with your Binance API secret
SIMULATION_MODE = True # Set to False for live trading
# 1. Fetch K-line data from Binance (multi-timeframe support)
def fetch_binance_data(symbol='BTC/USDT', timeframe='5m', limit=500):
try:
exchange = ccxt.binance({
'apiKey': BINANCE_API_KEY if not SIMULATION_MODE else '',
'secret': BINANCE_API_SECRET if not SIMULATION_MODE else '',
'enableRateLimit': True,
'options': {'defaultType': 'spot'}
})
since = exchange.parse8601((datetime.now(dt.UTC) - timedelta(days=7)).isoformat())
ohlcv = exchange.fetch_ohlcv(symbol, timeframe, since, limit)
df = pd.DataFrame(ohlcv, columns=['Date', 'Open', 'High', 'Low', 'Close', 'Volume'])
df['Date'] = pd.to_datetime(df['Date'], unit='ms')
df.set_index('Date', inplace=True)
logging.info(f"Fetched {len(df)} K-lines for {symbol} ({timeframe})")
return df
except Exception as e:
logging.error(f"Failed to fetch data: {e}")
raise
# 2. K-line merging (vectorized)
def merge_kline(df):
try:
df = df.copy()
merged_data = []
trend = np.sign(df['Close'].diff().shift(-1)) # 1: up, -1: down, 0: neutral
# Detect inclusion
is_included = ((df['High'].shift(-1) <= df['High']) & (df['Low'].shift(-1) >= df['Low'])) | \
((df['High'].shift(-1) >= df['High']) & (df['Low'].shift(-1) <= df['Low']))
i = 0
while i < len(df) - 1:
if is_included.iloc[i]:
current_k = df.iloc[i]
next_k = df.iloc[i + 1]
high = max(current_k['High'], next_k['High'])
low = min(current_k['Low'], next_k['Low'])
open_price = current_k['Open']
close_price = next_k['Close'] if trend.iloc[i] >= 0 else next_k['Close']
volume = current_k['Volume'] + next_k['Volume']
merged_data.append({
'Date': next_k.name,
'Open': open_price,
'High': high,
'Low': low,
'Close': close_price,
'Volume': volume
})
i += 2
else:
current_k = df.iloc[i]
merged_data.append({
'Date': current_k.name,
'Open': current_k['Open'],
'High': current_k['High'],
'Low': current_k['Low'],
'Close': current_k['Close'],
'Volume': current_k['Volume']
})
i += 1
if i == len(df) - 1:
last_k = df.iloc[i]
merged_data.append({
'Date': last_k.name,
'Open': last_k['Open'],
'High': last_k['High'],
'Low': last_k['Low'],
'Close': last_k['Close'],
'Volume': last_k['Volume']
})
merged_df = pd.DataFrame(merged_data)
merged_df['Date'] = pd.to_datetime(merged_df['Date'])
merged_df.set_index('Date', inplace=True)
logging.info(f"Merged K-lines: {len(df)} -> {len(merged_df)}")
return merged_df
except Exception as e:
logging.error(f"K-line merging failed: {e}")
raise
# 3. Detect fractals (vectorized)
def detect_fractals(df):
try:
df = df.copy()
df['is_top'] = (df['High'] > df['High'].shift(1)) & (df['High'] > df['High'].shift(-1)) & \
(df['High'] > df['High'].shift(2)) & (df['High'] > df['High'].shift(-2))
df['is_bottom'] = (df['Low'] < df['Low'].shift(1)) & (df['Low'] < df['Low'].shift(-1)) & \
(df['Low'] < df['Low'].shift(2)) & (df['Low'] < df['Low'].shift(-2))
df['is_top'] = df['is_top'].fillna(False)
df['is_bottom'] = df['is_bottom'].fillna(False)
logging.info(f"Detected {df['is_top'].sum()} top fractals and {df['is_bottom'].sum()} bottom fractals")
return df
except Exception as e:
logging.error(f"Fractal detection failed: {e}")
raise
# 4. Detect strokes
def detect_strokes(df):
try:
strokes = []
last_fractal = None
last_price = None
last_index = None
for i in range(len(df)):
if df['is_top'].iloc[i] or df['is_bottom'].iloc[i]:
current_fractal = 'top' if df['is_top'].iloc[i] else 'bottom'
current_price = df['High'].iloc[i] if current_fractal == 'top' else df['Low'].iloc[i]
if last_fractal is None:
last_fractal = current_fractal
last_price = current_price
last_index = df.index[i]
continue
if (last_fractal == 'top' and current_fractal == 'bottom' and current_price < last_price) or \
(last_fractal == 'bottom' and current_fractal == 'top' and current_price > last_price):
strokes.append({
'start_time': last_index,
'end_time': df.index[i],
'start_price': last_price,
'end_price': current_price,
'type': 'down' if current_fractal == 'bottom' else 'up',
'volume': df['Volume'].loc[last_index:df.index[i]].sum()
})
last_fractal = current_fractal
last_price = current_price
last_index = df.index[i]
logging.info(f"Detected {len(strokes)} strokes")
return strokes
except Exception as e:
logging.error(f"Stroke detection failed: {e}")
raise
# 5. Detect segments
def detect_segments(strokes):
try:
segments = []
if len(strokes) < 3:
return segments
i = 0
while i < len(strokes) - 2:
stroke1, stroke2, stroke3 = strokes[i], strokes[i+1], strokes[i+2]
if stroke1['type'] == 'up' and stroke2['type'] == 'down' and stroke3['type'] == 'up':
if stroke3['end_price'] > stroke1['end_price']:
segments.append({
'start_time': stroke1['start_time'],
'end_time': stroke3['end_time'],
'start_price': stroke1['start_price'],
'end_price': stroke3['end_price'],
'type': 'up'
})
i += 3
else:
i += 1
elif stroke1['type'] == 'down' and stroke2['type'] == 'up' and stroke3['type'] == 'down':
if stroke3['end_price'] < stroke1['end_price']:
segments.append({
'start_time': stroke1['start_time'],
'end_time': stroke3['end_time'],
'start_price': stroke1['start_price'],
'end_price': stroke3['end_price'],
'type': 'down'
})
i += 3
else:
i += 1
else:
i += 1
logging.info(f"Detected {len(segments)} segments")
return segments
except Exception as e:
logging.error(f"Segment detection failed: {e}")
raise
# 6. Detect pivots (midlines)
def detect_pivots(strokes):
try:
pivots = []
if len(strokes) < 3:
return pivots
for i in range(len(strokes) - 2):
s1, s2, s3 = strokes[i:i+3]
high = min(s1['start_price'], s1['end_price'], s2['start_price'], s2['end_price'],
s3['start_price'], s3['end_price'])
low = max(s1['start_price'], s1['end_price'], s2['start_price'], s2['end_price'],
s3['start_price'], s3['end_price'])
if high > low:
pivots.append({
'start_time': s1['start_time'],
'end_time': s3['end_time'],
'high': high,
'low': low
})
logging.info(f"Detected {len(pivots)} pivots")
return pivots
except Exception as e:
logging.error(f"Pivot detection failed: {e}")
raise
# 7. Analyze higher timeframe (30m)
def analyze_higher_timeframe(df_30m):
try:
df_30m = detect_fractals(df_30m)
strokes_30m = detect_strokes(df_30m)
if not strokes_30m:
return 'neutral'
last_stroke = strokes_30m[-1]
logging.info(f"30m trend: {last_stroke['type']}")
return last_stroke['type']
except Exception as e:
logging.error(f"Higher timeframe analysis failed: {e}")
raise
# 8. Back-divergence detection (enhanced)
def detect_back_divergence(df, strokes, higher_trend):
try:
macd, signal, hist = MACD(df['Close'], fastperiod=12, slowperiod=26, signalperiod=9)
sma20 = SMA(df['Close'], timeperiod=20)
df['macd'] = macd
df['hist'] = hist
df['sma20'] = sma20
df['buy_signal'] = False
df['sell_signal'] = False
stroke_metrics = []
for stroke in strokes:
start_idx = df.index.get_loc(stroke['start_time'])
end_idx = df.index.get_loc(stroke['end_time'])
hist_segment = df['hist'].iloc[start_idx:end_idx+1]
price_change = abs(stroke['end_price'] - stroke['start_price'])
hist_area = sum(abs(h) for h in hist_segment if not np.isnan(h))
volume = stroke['volume']
stroke_metrics.append({
'start_time': stroke['start_time'],
'end_time': stroke['end_time'],
'type': stroke['type'],
'price_change': price_change,
'hist_area': hist_area,
'volume': volume
})
for i in range(2, len(stroke_metrics)):
current_stroke = stroke_metrics[i]
prev_stroke = stroke_metrics[i-2]
if current_stroke['type'] != prev_stroke['type']:
continue
current_end_idx = df.index.get_loc(current_stroke['end_time'])
# Uptrend back-divergence (sell signal)
if current_stroke['type'] == 'up':
price_increase = df['High'].loc[current_stroke['end_time']] > df['High'].loc[prev_stroke['end_time']]
hist_decrease = current_stroke['hist_area'] < prev_stroke['hist_area']
volume_decrease = current_stroke['volume'] < prev_stroke['volume']
is_top_fractal = df['is_top'].loc[current_stroke['end_time']]
hist_positive = df['hist'].iloc[current_end_idx] > 0 or \
(df['hist'].iloc[current_end_idx] < 0 and df['hist'].iloc[current_end_idx-1] > 0)
sma_trend = df['Close'].iloc[current_end_idx] > df['sma20'].iloc[current_end_idx]
trend_match = higher_trend in ['up', 'neutral']
if price_increase and hist_decrease and volume_decrease and is_top_fractal and \
hist_positive and sma_trend and trend_match:
df.loc[df.index[current_end_idx], 'sell_signal'] = True
# Downtrend back-divergence (buy signal)
elif current_stroke['type'] == 'down':
price_decrease = df['Low'].loc[current_stroke['end_time']] < df['Low'].loc[prev_stroke['end_time']]
hist_decrease = current_stroke['hist_area'] < prev_stroke['hist_area']
volume_decrease = current_stroke['volume'] < prev_stroke['volume']
is_bottom_fractal = df['is_bottom'].loc[current_stroke['end_time']]
hist_negative = df['hist'].iloc[current_end_idx] < 0 or \
(df['hist'].iloc[current_end_idx] > 0 and df['hist'].iloc[current_end_idx-1] < 0)
sma_trend = df['Close'].iloc[current_end_idx] < df['sma20'].iloc[current_end_idx]
trend_match = higher_trend in ['down', 'neutral']
if price_decrease and hist_decrease and volume_decrease and is_bottom_fractal and \
hist_negative and sma_trend and trend_match:
df.loc[df.index[current_end_idx], 'buy_signal'] = True
logging.info(f"Detected {df['buy_signal'].sum()} buy signals and {df['sell_signal'].sum()} sell signals")
return df
except Exception as e:
logging.error(f"Back-divergence detection failed: {e}")
raise
# 9. Execute trade
def execute_trade(exchange, symbol, signal, amount=0.001):
try:
if SIMULATION_MODE:
msg = f"[SIMULATION] {'Buy' if signal == 'buy' else 'Sell'} {amount} {symbol} at {datetime.now(dt.UTC)}"
print(msg)
logging.info(msg)
return
if signal == 'buy':
order = exchange.create_market_buy_order(symbol, amount)
msg = f"Buy order executed: {order}"
print(msg)
logging.info(msg)
elif signal == 'sell':
order = exchange.create_market_sell_order(symbol, amount)
msg = f"Sell order executed: {order}"
print(msg)
logging.info(msg)
except Exception as e:
msg = f"Trade execution failed: {e}"
print(msg)
logging.error(msg)
# 10. Plot chart
def plot_chart(df, strokes, segments, pivots):
try:
# Initialize additional plots
apds = []
alines = [] # For line segments
# Plot strokes as line segments
for stroke in strokes:
alines.append([(stroke['start_time'], stroke['start_price']),
(stroke['end_time'], stroke['end_price'])])
# Plot segments as line segments
for segment in segments:
alines.append([(segment['start_time'], segment['start_price']),
(segment['end_time'], segment['end_price'])])
# Plot pivots as horizontal lines
for pivot in pivots:
alines.append([(pivot['start_time'], pivot['high']),
(pivot['end_time'], pivot['high'])])
alines.append([(pivot['start_time'], pivot['low']),
(pivot['end_time'], pivot['low'])])
# Add alines to plot (single color for simplicity, can customize)
if alines:
apds.append(mpf.make_addplot(
None, # No y-data needed for alines
alines=alines,
type='line',
color=['blue' if i < len(strokes) else 'purple' if i < len(strokes) + len(segments) else 'orange'
for i in range(len(alines))],
linestyle=['--' if i < len(strokes) else '-' if i < len(strokes) + len(segments) else ':'
for i in range(len(alines))]
))
# Plot buy/sell signals
buy_signals = df[df['buy_signal']]['Close']
sell_signals = df[df['sell_signal']]['Close']
apds.append(mpf.make_addplot(buy_signals, type='scatter', markersize=100, marker='^', color='green'))
apds.append(mpf.make_addplot(sell_signals, type='scatter', markersize=100, marker='v', color='red'))
# Plot K-line chart
mpf.plot(df, type='candle', addplot=apds, title='Chanlun Advanced Analysis', style='yahoo')
logging.info("Chart plotted successfully")
except Exception as e:
logging.error(f"Chart plotting failed: {e}")
raise
# 11. Main function
def main():
try:
# Initialize exchange
exchange = ccxt.binance({
'apiKey': BINANCE_API_KEY if not SIMULATION_MODE else '',
'secret': BINANCE_API_SECRET if not SIMULATION_MODE else '',
'enableRateLimit': True,
'options': {'defaultType': 'spot'}
})
# Fetch data
df_5m = fetch_binance_data(symbol='BTC/USDT', timeframe='5m', limit=500)
df_30m = fetch_binance_data(symbol='BTC/USDT', timeframe='30m', limit=200)
# Merge 5m K-lines
df_5m = merge_kline(df_5m)
# Detect fractals, strokes, segments, pivots
df_5m = detect_fractals(df_5m)
strokes = detect_strokes(df_5m)
segments = detect_segments(strokes)
pivots = detect_pivots(strokes)
# Analyze 30m trend
higher_trend = analyze_higher_timeframe(df_30m)
print(f"30m Trend: {higher_trend}")
# Detect back-divergence
df_5m = detect_back_divergence(df_5m, strokes, higher_trend)
# Plot chart
plot_chart(df_5m, strokes, segments, pivots)
# Output and execute trades
print("Buy Signals:")
buy_signals = df_5m[df_5m['buy_signal']][['Close']]
print(buy_signals)
for idx, row in buy_signals.iterrows():
execute_trade(exchange, 'BTC/USDT', 'buy', amount=0.001)
print("Sell Signals:")
sell_signals = df_5m[df_5m['sell_signal']][['Close']]
print(sell_signals)
for idx, row in sell_signals.iterrows():
execute_trade(exchange, 'BTC/USDT', 'sell', amount=0.001)
logging.info("Main function completed successfully")
except Exception as e:
logging.error(f"Main function failed: {e}")
raise
if __name__ == "__main__":
main()