101 lines
4.2 KiB
Python
101 lines
4.2 KiB
Python
from langchain_core.tools import tool
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from typing import Annotated
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from tradingagents.dataflows.interface import route_to_vendor
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@tool
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def get_indicators(
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symbol: Annotated[str, "公司的股票代碼"],
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indicator: Annotated[str, """技術指標名稱。
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常用指標：MA (移動平均), RSI, MACD。
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使用簡寫名稱如：'MA', 'RSI', 'MACD'，
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或指定期間如：'close_50_sma', 'close_200_sma'。
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範例：'MA' 或 'RSI' 或 'MACD'"""],
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curr_date: Annotated[str, "您正在交易的當前交易日期，格式為 YYYY-mm-dd"],
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look_back_days: Annotated[int, "回溯天數"] = 30,
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) -> str:
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"""
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檢索給定股票代碼的技術指標。
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使用設定的技術指標供應商。
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支持的指標：
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- MA/SMA: 簡單移動平均線（使用 look_back_days 或指定 'close_50_sma', 'close_200_sma'）
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- EMA: 指數移動平均線
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- RSI: 相對強弱指數
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- MACD: 移動平均收斂背離
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- BOLL: 布林通道
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- ATR: 平均真實波幅
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- VWMA: 成交量加權移動平均
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- MFI: 資金流量指數
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Args:
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symbol (str): 公司的股票代碼，例如 AAPL, TSM
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indicator (str): 技術指標名稱，使用簡寫（MA, RSI, MACD 等）
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curr_date (str): 您正在交易的當前交易日期，格式為 YYYY-mm-dd
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look_back_days (int): 回溯天數，預設為 30
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Returns:
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str: 一個格式化的數據框，包含指定股票代碼和指標的技術指標。
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"""
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# 規範化指標名稱以匹配供應商的預期格式
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indicator_lower = indicator.lower().strip()
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# 處理常見的變體 - 包含 "moving average" 的完整詞
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if "50" in indicator_lower and ("ma" in indicator_lower or "avg" in indicator_lower or "moving" in indicator_lower):
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normalized_indicator = "close_50_sma"
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elif "200" in indicator_lower and ("ma" in indicator_lower or "avg" in indicator_lower or "moving" in indicator_lower):
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normalized_indicator = "close_200_sma"
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elif "10" in indicator_lower and "ema" in indicator_lower:
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normalized_indicator = "close_10_ema"
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# 處理通用指標名稱，使用 look_back_days
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elif indicator_lower in ["sma", "ma", "moving average", "simple moving average"]:
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normalized_indicator = f"close_{look_back_days}_sma"
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elif indicator_lower in ["ema", "exponential moving average"]:
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normalized_indicator = f"close_{look_back_days}_ema"
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else:
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# 常見指標名稱映射 - 擴充版
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mapping = {
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# SMA 變體
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"sma50": "close_50_sma",
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"sma200": "close_200_sma",
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"50-day ma": "close_50_sma",
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"200-day ma": "close_200_sma",
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"50 day ma": "close_50_sma",
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"200 day ma": "close_200_sma",
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"50-day moving average": "close_50_sma",
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"200-day moving average": "close_200_sma",
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"50 day moving average": "close_50_sma",
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"200 day moving average": "close_200_sma",
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"50-day simple moving average": "close_50_sma",
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"200-day simple moving average": "close_200_sma",
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# EMA 變體
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"ema10": "close_10_ema",
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"10-day ema": "close_10_ema",
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"10 day ema": "close_10_ema",
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# Bollinger Bands
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"bbands": "boll",
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"bollinger": "boll",
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"bollinger bands": "boll",
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"bb": "boll",
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# MACD 變體
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"macd_signal": "macds",
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"macd signal": "macds",
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"macd_hist": "macdh",
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"macd histogram": "macdh",
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# 其他常見別名
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"relative strength index": "rsi",
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"average true range": "atr",
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"money flow index": "mfi",
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}
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# 如果在映射中，使用映射名稱
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if indicator_lower in mapping:
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normalized_indicator = mapping[indicator_lower]
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# 如果已經是正確的格式（例如 rsi, macd, atr），則保持原樣（轉小寫）
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else:
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normalized_indicator = indicator_lower
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return route_to_vendor("get_indicators", symbol, normalized_indicator, curr_date, look_back_days)
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