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predict_top_5.py
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predict_top_5.py
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import json
import sqlite3
from datetime import datetime, timedelta
import pickle
import pandas as pd
from sklearn.linear_model import LinearRegression
import requests
def rolling_gptprod_profit(df_test, price):
# 轉換日期格式
df_test["report_date"] = pd.to_datetime(df_test["report_date"])
df_test["end_date"] = pd.to_datetime(df_test["end_date"])
try:
price["date"] = pd.to_datetime(price["date"])
except KeyError:
price.rename(columns={"Date": "date"}, inplace=True)
price["date"] = pd.to_datetime(price["date"])
# 按月分組
df_test["month"] = df_test["report_date"].dt.to_period("M")
print(df_test.month.max())
# 初始化選中股票列表和累計收益
selected_stocks = pd.DataFrame()
total_return = 1
cumulative_return = [1]
stop_trading = False
consecutive_profit_months = 0
months = list(df_test.sort_values("month").month.unique())
stock_list = pd.DataFrame()
# 遍歷每個月
for month in df_test.sort_values("month").month.unique():
# 獲取當月的預測
current_month_predictions = df_test[(df_test["month"] == month)]
# 結合上個月選出的股票,同時檢查是否過期
combined = pd.concat([selected_stocks, current_month_predictions])
combined = combined[combined["report_date"] >= (month - 12).start_time]
# 選擇預測值最高的五檔股票
top5 = combined.nlargest(5, "pred_reg_12m")
selected_stocks = top5.drop_duplicates("symbol")
tmp = selected_stocks[["symbol", "pred_reg_12m"]]
tmp["month"] = month
stock_prices = price[price["symbol"].isin(selected_stocks.symbol)]
buy_price = (
stock_prices[stock_prices["date"].dt.to_period("M") == (month + 1)]
.groupby("symbol")
.agg({"Open": "first"})
.reset_index()
)
sell_price = (
stock_prices[stock_prices["date"].dt.to_period("M") == (month + 1)]
.groupby("symbol")
.agg({"Close": "last"})
.reset_index()
)
monthly_return = ((sell_price.Close - buy_price.Open) / buy_price.Open).mean()
# 檢查是否停止買賣
if stop_trading:
if monthly_return > 0:
consecutive_profit_months += 1
if consecutive_profit_months >= 1:
stop_trading = False
consecutive_profit_months = 0
else:
total_return = cumulative_return[-1] * (1 + monthly_return)
if monthly_return < -0.1:
stop_trading = True
consecutive_profit_months = 0
tmp["stop_trading"] = stop_trading
stock_list = stock_list.append(tmp, ignore_index=True)
cumulative_return.append(total_return)
# 打印累計收益
months.append((month + 1))
cumulative_return = pd.DataFrame(
dict(month=months, cumulative_return=cumulative_return)
)
cumulative_return["month"] = cumulative_return.month.astype(str)
# 打印累計收益
print("Total Return:", total_return)
return cumulative_return, stock_list
def rolling_fit_predict(data, year, feature_cols):
df = data.copy()
df = df[~df.target_ml.isna()]
df_origin = data.copy()
for i in year:
print(i)
reg_12m = LinearRegression(positive=True).fit(
df.loc[df.year <= i, feature_cols], df.loc[df.year <= i, "target_ml"]
)
df_origin.loc[df_origin.year == i + 1, "pred_reg_12m"] = reg_12m.predict(
df_origin.loc[df_origin.year == i + 1, feature_cols]
)
return df_origin
def line_broadcast_flex(data):
path = "line_config.json"
with open(path, "r", encoding="utf8") as f:
config = json.load(f)
url = "https://api.line.me/v2/bot/message/broadcast"
headers = {
"Content-Type": "application/json",
"Authorization": "Bearer {}".format(config["token"]),
}
contents = []
if data[0]["stop_trading"]:
contents.append(
{
"type": "box",
"layout": "horizontal",
"contents": [
{
"type": "text",
"text": "Stop Trading",
"size": "sm",
"color": "#555555",
"flex": 0,
}
],
}
)
else:
for item in data:
contents.append(
{
"type": "box",
"layout": "horizontal",
"contents": [
{
"type": "text",
"text": item["symbol"],
"size": "sm",
"color": "#555555",
"flex": 0,
},
{
"type": "text",
"text": "{:.4f}".format(item["pred_reg_12m"]),
"size": "sm",
"color": "#111111",
"align": "end",
},
],
}
)
flex_message = {
"type": "flex",
"altText": "Stock Information",
"contents": {
"type": "bubble",
"body": {
"type": "box",
"layout": "vertical",
"contents": [
{
"type": "text",
"text": "STOCK INFO",
"weight": "bold",
"color": "#1DB446",
"size": "sm",
},
{"type": "separator", "margin": "xxl"},
{
"type": "box",
"layout": "vertical",
"margin": "xxl",
"spacing": "sm",
"contents": contents,
},
{"type": "separator", "margin": "xxl"},
],
},
"styles": {"footer": {"separator": True}},
},
}
payload = json.dumps({"messages": [flex_message]})
response = requests.request("POST", url, headers=headers, data=payload, timeout=10)
print(response.text)
def main():
connect = sqlite3.connect("feature.sqlite")
feature = pd.read_sql("SELECT * FROM feature", con=connect)
connect.close()
connect = sqlite3.connect("target.sqlite")
target = pd.read_sql("SELECT * FROM target", con=connect)
connect.close()
connect = sqlite3.connect("price.sqlite")
price = pd.read_sql("SELECT * FROM price_table", con=connect)
connect.close()
year = int(datetime.now().strftime("%Y"))
df = feature.merge(
target[["symbol", "report_date", "target_ml", "end_date"]],
on=["symbol", "report_date"],
how="left",
)
model = pickle.load(open("model.pkl", "rb"))
df["report_date"] = pd.to_datetime(df.report_date)
df.loc[df.end_date.isna(), "end_date"] = df.loc[
df.end_date.isna(), "report_date"
] + timedelta(days=365)
years = [year - 1, year]
df["year"] = df.end_date.astype(str).str.slice(0, 4).astype(int)
output = rolling_fit_predict(df, years, feature_cols=model["feature"])
_, stock_list = rolling_gptprod_profit(output[output.year.isin(years)], price)
line_broadcast_flex(stock_list.tail(5).to_dict("records"))
if __name__ == "__main__":
main()