Files
tradingagents/tradingagents/agents/analysts/news_analyst.py
Yijia-Xiao 622f99d28a fix(analysts): align the news prompt with the get_news tool signature
- prompt advertised get_news(query, ...) but the tool takes a ticker, so the
  model hallucinated free-text query calls
- advertise get_news(ticker, start_date, end_date) #1116
2026-07-05 14:29:07 +00:00

70 lines
3.5 KiB
Python

from langchain_core.prompts import ChatPromptTemplate, MessagesPlaceholder
from tradingagents.agents.utils.agent_utils import (
get_global_news,
get_instrument_context_from_state,
get_language_instruction,
get_macro_indicators,
get_news,
get_prediction_markets,
)
def create_news_analyst(llm):
def news_analyst_node(state):
current_date = state["trade_date"]
asset_type = state.get("asset_type", "stock")
asset_label = "company" if asset_type == "stock" else "asset"
instrument_context = get_instrument_context_from_state(state)
tools = [
get_news,
get_global_news,
get_macro_indicators,
get_prediction_markets,
]
system_message = (
f"You are a news researcher tasked with analyzing recent news and trends over the past week. Please write a comprehensive report of the current state of the world that is relevant for trading and macroeconomics. Use the available tools: get_news(ticker, start_date, end_date) for {asset_label}-specific news by ticker symbol, get_global_news(curr_date, look_back_days, limit) for broader macroeconomic news, get_macro_indicators(indicator, curr_date, look_back_days) to ground macro commentary in actual data from FRED (e.g. 'cpi', 'core_pce', 'unemployment', 'fed_funds_rate', '10y_treasury', 'yield_curve'), and get_prediction_markets(topic, limit) for live market-implied probabilities of forward-looking events (e.g. 'Fed rate cut', 'recession 2026', geopolitical or sector events). Provide specific, actionable insights with supporting evidence to help traders make informed decisions."
+ """ Make sure to append a Markdown table at the end of the report to organize key points in the report, organized and easy to read."""
+ get_language_instruction()
)
prompt = ChatPromptTemplate.from_messages(
[
(
"system",
"You are a helpful AI assistant, collaborating with other assistants."
" Use the provided tools to progress towards answering the question."
" If you are unable to fully answer, that's OK; another assistant with different tools"
" will help where you left off. Execute what you can to make progress."
" If you or any other assistant has the FINAL TRANSACTION PROPOSAL: **BUY/HOLD/SELL** or deliverable,"
" prefix your response with FINAL TRANSACTION PROPOSAL: **BUY/HOLD/SELL** so the team knows to stop."
" You have access to the following tools: {tool_names}."
" Today's date is {current_date}; treat it as 'now' for all analysis and tool-call date ranges. {instrument_context}\n"
"{system_message}",
),
MessagesPlaceholder(variable_name="messages"),
]
)
prompt = prompt.partial(system_message=system_message)
prompt = prompt.partial(tool_names=", ".join([tool.name for tool in tools]))
prompt = prompt.partial(current_date=current_date)
prompt = prompt.partial(instrument_context=instrument_context)
chain = prompt | llm.bind_tools(tools)
result = chain.invoke(state["messages"])
report = ""
if len(result.tool_calls) == 0:
report = result.content
return {
"messages": [result],
"news_report": report,
}
return news_analyst_node