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    發(fā)布日期: 2021-04-10
  • 語(yǔ)言: Python
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資源簡(jiǎn)介

使用多層LSTM單元的RNN模型 可選的多股票嵌入預(yù)測(cè)股票市場(chǎng)價(jià)格。

資源截圖

代碼片段和文件信息

“““
Fetch?the?daily?stock?prices?from?Google?Finance?for?stocks?in?S?&?P?500.
@author:?lilianweng
“““
import?click
import?os
import?pandas?as?pd
import?random
import?time
import?urllib2

from?BeautifulSoup?import?BeautifulSoup
from?datetime?import?datetime

DATA_DIR?=?“data“
RANDOM_SLEEP_TIMES?=?(1?5)

#?This?repo?“github.com/datasets/s-and-p-500-companies“?has?some?other?information?about
#?S?&?P?500?companies.
SP500_LIST_URL?=?“https://raw.githubusercontent.com/datasets/s-and-p-500-companies/master/data/constituents-financials.csv“
SP500_LIST_PATH?=?os.path.join(DATA_DIR?“constituents-financials.csv“)


def?_download_sp500_list():
????if?os.path.exists(SP500_LIST_PATH):
????????return

????f?=?urllib2.urlopen(SP500_LIST_URL)
????print?“Downloading?...“?SP500_LIST_URL
????with?open(SP500_LIST_PATH?‘w‘)?as?fin:
????????print?>>?fin?f.read()
????return


def?_load_symbols():
????_download_sp500_list()
????df_sp500?=?pd.read_csv(SP500_LIST_PATH)
????df_sp500.sort(‘Market?Cap‘?ascending=False?inplace=True)
????stock_symbols?=?df_sp500[‘Symbol‘].unique().tolist()
????print?“Loaded?%d?stock?symbols“?%?len(stock_symbols)
????return?stock_symbols


def?fetch_prices(symbol?out_name):
????“““
????Fetch?daily?stock?prices?for?stock?‘symbol‘?since?1980-01-01.

????Args:
????????symbol?(str):?a?stock?abbr.?symbol?like?“GOOG“?or?“AAPL“.

????Returns:?a?bool?whether?the?fetch?is?succeeded.
????“““
????#?Format?today‘s?date?to?match?Google‘s?finance?history?api.
????now_datetime?=?datetime.now().strftime(“%b+%d+%Y“)

????base_URL?=?“https://finance.google.com/finance/historical?output=csv&q={0}&startdate=Jan+1%2C+1980&enddate={1}“
????symbol_url?=?base_URL.format(
????????urllib2.quote(symbol)
????????urllib2.quote(now_datetime?‘+‘)
????)
????print?“Fetching?{}?...“.format(symbol)
????print?symbol_url

????try:
????????f?=?urllib2.urlopen(symbol_url)
????????with?open(out_name?‘w‘)?as?fin:
????????????print?>>?fin?f.read()
????except?urllib2.HTTPError:
????????print?“Failed?when?fetching?{}“.format(symbol)
????????return?False

????data?=?pd.read_csv(out_name)
????if?data.empty:
????????print?“Remove?{}?because?the?data?set?is?empty.“.format(out_name)
????????os.remove(out_name)
????else:
????????dates?=?data.iloc[:0].tolist()
????????print?“#?Fetched?rows:?%d?[%s?to?%s]“?%?(data.shape[0]?dates[-1]?dates[0])

????#?Take?a?rest
????sleep_time?=?random.randint(*RANDOM_SLEEP_TIMES)
????print?“Sleeping?...?%ds“?%?sleep_time
????time.sleep(sleep_time)
????return?True


@click.command(help=“Fetch?stock?prices?data“)
@click.option(‘--continued‘?is_flag=True)
def?main(continued):
????random.seed(time.time())
????num_failure?=?0

????#?This?is?S&P?500?index
????#fetch_prices(‘INDEXSP%3A.INX‘)

????symbols?=?_load_symbols()
????for?idx?sym?in?enumerate(symbols):
????????out_name?=?os.path.join(DATA_DIR?sym?+?“.csv“)
????????if?continued?and?os.path.exists(out_name):
????????????print?“Fetched“?sym
????????????continue

????????succeeded?=?fetch_pri

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2018-03-13?07:08??stock-rnn-master\
?????文件?????????117??2018-03-13?07:08??stock-rnn-master\.gitignore
?????文件????????2303??2018-03-13?07:08??stock-rnn-master\README.md
?????目錄???????????0??2018-03-13?07:08??stock-rnn-master\data\
?????文件???????????0??2018-03-13?07:08??stock-rnn-master\data\.placeholder
?????文件????????3217??2018-03-13?07:08??stock-rnn-master\data_fetcher.py
?????文件????????2555??2018-03-13?07:08??stock-rnn-master\data_model.py
?????文件????????3849??2018-03-13?07:08??stock-rnn-master\main.py
?????文件???????13033??2018-03-13?07:08??stock-rnn-master\model_rnn.py
?????目錄???????????0??2018-03-13?07:08??stock-rnn-master\scripts\
?????文件????????2780??2018-03-13?07:08??stock-rnn-master\scripts\build_graph.py
?????文件?????????659??2018-03-13?07:08??stock-rnn-master\scripts\config.py
?????文件????????1131??2018-03-13?07:08??stock-rnn-master\scripts\restore_model.py
?????文件????????4455??2018-03-13?07:08??stock-rnn-master\scripts\train_model.py

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