164 lines
5.3 KiB
Python
164 lines
5.3 KiB
Python
"""市场温度计
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综合涨跌家数、涨跌停数、连板高度、炸板率、指数位置，
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输出 0-100 的市场温度值。
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"""
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import logging
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import pandas as pd
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import numpy as np
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from app.data.tushare_client import tushare_client
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from app.data.models import MarketTemperature
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logger = logging.getLogger(__name__)
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def calculate_market_temperature(trade_date: str = None) -> MarketTemperature:
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"""计算指定交易日的市场温度
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盘中 Tushare 当日数据可能不完整（limit_list_d 只有盘后数据），
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因此涨停数据先尝试当日，若为空则用前一日数据作为基线。
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"""
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if not trade_date:
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trade_date = tushare_client.get_latest_trade_date()
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# 1. 涨跌家数
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daily_df = tushare_client.get_daily_all(trade_date)
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if daily_df.empty:
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return MarketTemperature(trade_date=trade_date, temperature=50)
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up_count = len(daily_df[daily_df["pct_chg"] > 0])
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down_count = len(daily_df[daily_df["pct_chg"] < 0])
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# 2. 涨跌停数据 — 先尝试当日，若为空则用前一日
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limit_df = tushare_client.get_limit_list(trade_date)
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if limit_df.empty:
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# 当日无涨跌停数据（盘中），用前一日作为基线
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prev_dates = tushare_client.get_trade_dates()
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prev_dates = [d for d in prev_dates if d < trade_date]
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if prev_dates:
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prev_date = prev_dates[-1]
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limit_df = tushare_client.get_limit_list(prev_date)
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logger.info(f"当日涨跌停数据为空，使用前一日 {prev_date} 作为基线")
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limit_up_count = 0
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limit_down_count = 0
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max_streak = 0
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broken_rate = 0.0
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if not limit_df.empty:
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# limit: U=涨停, D=跌停
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up_df = limit_df[limit_df["limit"] == "U"]
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down_df = limit_df[limit_df["limit"] == "D"]
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# 排除 ST（名称含 ST）
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up_df = up_df[~up_df["name"].str.contains("ST", na=False)]
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down_df = down_df[~down_df["name"].str.contains("ST", na=False)]
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# 排除一字板（open_times == 0 表示全天封板未开板，不算自然涨停...
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# 实际上 open_times 是打开次数，0 表示一直封住，属于强势
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# 这里我们统计所有非 ST 涨停数作为情绪指标）
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limit_up_count = len(up_df)
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limit_down_count = len(down_df)
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# 连板高度：limit_times 字段
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if "limit_times" in up_df.columns and not up_df.empty:
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max_streak = int(up_df["limit_times"].max())
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# 炸板率：曾经涨停但未封住的 = up_stat 中 "炸板" 的记录
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# open_times > 0 的算曾经打开过涨停板，如果最终未涨停就是炸板
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# 但 limit_list_d 只返回最终涨停的... 需要另一个思路
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# 用全市场日线数据：最高价触及涨停但收盘未涨停
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if not daily_df.empty:
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# 涨停价 = pre_close * 1.1（普通股），容差 0.01
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daily_df["limit_price"] = daily_df["pre_close"] * 1.1
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touched_limit = daily_df[
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(daily_df["high"] >= daily_df["limit_price"] - 0.01) &
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(daily_df["pct_chg"] < 9.9) # 触及涨停但收盘未涨停
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]
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total_touched = len(touched_limit) + limit_up_count
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if total_touched > 0:
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broken_rate = len(touched_limit) / total_touched * 100
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# 3. 上证指数位置
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index_df = tushare_client.get_index_daily("000001.SH", days=30)
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index_above_ma20 = False
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if not index_df.empty:
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index_df = index_df.sort_values("trade_date")
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if len(index_df) >= 20:
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ma20 = index_df["close"].tail(20).mean()
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latest_close = index_df["close"].iloc[-1]
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index_above_ma20 = latest_close > ma20
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# ── 综合评分 ──
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score = 0.0
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# 涨跌家数比 (0-25分)
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ratio = up_count / max(down_count, 1)
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if ratio > 2.0:
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score += 25
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elif ratio > 1.5:
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score += 20
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elif ratio > 1.0:
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score += 15
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elif ratio > 0.7:
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score += 8
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else:
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score += 0
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# 涨停数 (0-25分)
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if limit_up_count > 80:
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score += 25
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elif limit_up_count > 50:
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score += 20
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elif limit_up_count > 30:
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score += 15
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elif limit_up_count > 15:
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score += 8
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else:
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score += 0
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# 连板高度 (0-20分)
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if max_streak >= 7:
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score += 20
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elif max_streak >= 5:
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score += 15
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elif max_streak >= 3:
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score += 10
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elif max_streak >= 2:
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score += 5
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# 炸板率 (0-15分) - 炸板率越低越好
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if broken_rate < 20:
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score += 15
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elif broken_rate < 30:
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score += 12
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elif broken_rate < 50:
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score += 6
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else:
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score += 0
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# 指数位置 (0-15分)
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if index_above_ma20:
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score += 15
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else:
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score += 3
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temperature = min(max(score, 0), 100)
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result = MarketTemperature(
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trade_date=trade_date,
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up_count=up_count,
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down_count=down_count,
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limit_up_count=limit_up_count,
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limit_down_count=limit_down_count,
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max_streak=max_streak,
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broken_rate=round(broken_rate, 1),
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index_above_ma20=index_above_ma20,
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temperature=round(temperature, 1),
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)
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logger.info(f"市场温度 {trade_date}: {temperature:.1f} (涨{up_count}/跌{down_count}, 涨停{limit_up_count}, 连板{max_streak})")
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return result
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