{"id":30785,"date":"2024-10-28T06:03:51","date_gmt":"2024-10-28T06:03:51","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=30785"},"modified":"2024-11-26T06:47:26","modified_gmt":"2024-11-26T06:47:26","slug":"%ed%8c%8c%ec%9d%b4%ec%8d%ac-%ec%9e%90%eb%8f%99%eb%a7%a4%eb%a7%a4-%ea%b0%9c%eb%b0%9c-datareader-%ec%82%ac%ec%9a%a9%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/30785\/","title":{"rendered":"\ud30c\uc774\uc36c \uc790\ub3d9\ub9e4\ub9e4 \uac1c\ubc1c, DataReader \uc0ac\uc6a9\ud558\uae30"},"content":{"rendered":"

<\/p>\n

\ucd5c\uadfc \uba87 \ub144 \ub3d9\uc548 \uae08\uc735 \uc2dc\uc7a5\uc5d0\uc11c \uc790\ub3d9\ub9e4\ub9e4 \uc2dc\uc2a4\ud15c\uc774 \ud070 \uc778\uae30\ub97c \ub04c\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc2dc\uc2a4\ud15c\uc740 \ud2b8\ub808\uc774\ub354\uac00 \ubbf8\ub9ac \uc815\uc758\ud55c \uc54c\uace0\ub9ac\uc998\uc5d0 \ub530\ub77c \uae08\uc735 \uc0c1\ud488\uc744 \uc790\ub3d9\uc73c\ub85c \uac70\ub798\ud558\ub294 \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \ud30c\uc774\uc36c\uc758 DataReader<\/code>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc790\ub3d9\ub9e4\ub9e4 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc0c1\uc138\ud788 \uc124\uba85\ud558\uace0, \uc2e4\uc2b5 \uc608\uc81c \ucf54\ub4dc\ub97c \uc81c\uacf5\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

1. \uc790\ub3d9\ub9e4\ub9e4 \uc2dc\uc2a4\ud15c\uc758 \uac1c\uc694<\/h2>\n

\uc790\ub3d9\ub9e4\ub9e4 \uc2dc\uc2a4\ud15c\uc740 \uae08\uc735 \ub370\uc774\ud130, \uac70\ub798 \uc804\ub7b5, \ub9ac\uc2a4\ud06c \uad00\ub9ac, \uc2e4\ud589 \uc2dc\uc2a4\ud15c \ub4f1\uc774 \uacb0\ud569\ub418\uc5b4 \uad6c\uc131\ub429\ub2c8\ub2e4. \uc774 \uc2dc\uc2a4\ud15c\uc740 \uc2e0\uc18d\ud55c \uac70\ub798 \uacb0\uc815\uacfc \uac70\ub798 \uc2e4\ud589\uc744 \ud1b5\ud574 \uc778\uac04\uc774 \ud560 \uc218 \uc5c6\ub294 \ube60\ub978 \uc18d\ub3c4\uc758 \ub9e4\ub9e4\ub97c \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n

2. DataReader\ub780?<\/h2>\n

DataReader<\/code>\ub294 \uae08\uc735 \ub370\uc774\ud130\ub97c \uc190\uc27d\uac8c \uac00\uc838\uc624\ub294 \ud30c\uc774\uc36c \ub77c\uc774\ube0c\ub7ec\ub9ac\uc785\ub2c8\ub2e4. \uc8fc\uc2dd, \ud658\uc728 \ub4f1 \ub2e4\uc591\ud55c \uae08\uc735 \ub370\uc774\ud130 \uc18c\uc2a4\ub97c \uc9c0\uc6d0\ud558\uba70, \ub370\uc774\ud130\ub97c pandas DataFrame \ud615\ud0dc\ub85c \uac00\uc838\uc640 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

3. \ud658\uacbd \uc124\uc815<\/h2>\n

\uc2dc\uc791\ud558\uae30\uc5d0 \uc55e\uc11c, \ud544\uc694\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc774 pandas<\/code>\uc640 pandas-datareader<\/code>\ub97c \uc124\uce58\ud569\ub2c8\ub2e4:<\/p>\n

pip install pandas pandas-datareader<\/code><\/pre>\n
4. \uae30\ubcf8\uc801\uc778 \ub370\uc774\ud130 \uac00\uc838\uc624\uae30<\/h2>\n
\uadf8\ub7fc \uc774\uc81c DataReader<\/code>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2e4\uc9c8\uc801\uc73c\ub85c \ub370\uc774\ud130\ub97c \uac00\uc838\uc624\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc8fc\uc2dd \ub370\uc774\ud130\ub97c \uac00\uc838\uc624\uae30 \uc704\ud574 Yahoo Finance\ub97c \uc0ac\uc6a9\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
import pandas as pd\nfrom pandas_datareader import data as pdr\nimport datetime\n\n# \ub370\uc774\ud130 \uae30\uac04 \uc124\uc815\nstart = datetime.datetime(2020, 1, 1)\nend = datetime.datetime(2023, 1, 1)\n\n# \uc560\ud50c \uc8fc\uc2dd \ub370\uc774\ud130 \uac00\uc838\uc624\uae30\napple_data = pdr.get_data_yahoo('AAPL', start, end)\nprint(apple_data.head())<\/code><\/pre>\n
\uc704 \ucf54\ub4dc\ub97c \uc2e4\ud589\ud558\uba74 2020\ub144 1\uc6d4 1\uc77c\ubd80\ud130 2023\ub144 1\uc6d4 1\uc77c\uae4c\uc9c0\uc758 \uc560\ud50c(AAPL) \uc8fc\uc2dd \ub370\uc774\ud130\uac00 \ucd9c\ub825\ub429\ub2c8\ub2e4.<\/p>\n
5. \ub370\uc774\ud130 \ubd84\uc11d \ubc0f \uc2dc\uac01\ud654<\/h2>\n
\uac00\uc838\uc628 \ub370\uc774\ud130\ub97c \ubd84\uc11d\ud558\uace0 \uc2dc\uac01\ud654\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc73c\ub85c \uc8fc\uac00\uc758 \ucd94\uc138\ub97c \uc2dc\uac01\uc801\uc73c\ub85c \ud655\uc778\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n
import matplotlib.pyplot as plt\n\n# \uc885\uac00 \uc2dc\uac01\ud654\nplt.figure(figsize=(12, 6))\nplt.plot(apple_data['Close'], label='AAPL Close Price')\nplt.title('AAPL Stock Price (2020-2023)')\nplt.xlabel('Date')\nplt.ylabel('Close Price in USD')\nplt.legend()\nplt.grid()\nplt.show()<\/code><\/pre>\n
6. \uac70\ub798 \uc804\ub7b5 \uac1c\ubc1c<\/h2>\n
\uc774\uc81c \ub370\uc774\ud130\ub97c \uae30\ubc18\uc73c\ub85c \uac04\ub2e8\ud55c \uac70\ub798 \uc804\ub7b5\uc744 \uac1c\ubc1c\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774\ub3d9 \ud3c9\uade0 \uad50\ucc28 \uc804\ub7b5\uc744 \uc0ac\uc6a9\ud574\ubcfc \uac83\uc785\ub2c8\ub2e4. \uc774 \uc804\ub7b5\uc740 \ub2e8\uae30 \uc774\ub3d9 \ud3c9\uade0\uc774 \uc7a5\uae30 \uc774\ub3d9 \ud3c9\uade0\uc744 \uc0c1\ud5a5 \ub3cc\ud30c\ud560 \ub54c \ub9e4\uc218\ud558\uace0, \ud558\ud5a5 \ub3cc\ud30c\ud560 \ub54c \ub9e4\ub3c4\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n
# \uc774\ub3d9 \ud3c9\uade0 \uacc4\uc0b0\napple_data['Short_MA'] = apple_data['Close'].rolling(window=20).mean()\napple_data['Long_MA'] = apple_data['Close'].rolling(window=50).mean()\n\n# \ub9e4\uc218 \ubc0f \ub9e4\ub3c4 \uc2e0\ud638 \uc0dd\uc131\napple_data['Signal'] = 0\napple_data['Signal'][20:] = np.where(apple_data['Short_MA'][20:] > apple_data['Long_MA'][20:], 1, 0)\napple_data['Position'] = apple_data['Signal'].diff()\n\n# \uc2e0\ud638 \uc2dc\uac01\ud654\nplt.figure(figsize=(12, 6))\nplt.plot(apple_data['Close'], label='AAPL Close Price', alpha=0.5)\nplt.plot(apple_data['Short_MA'], label='20-Day MA', alpha=0.75)\nplt.plot(apple_data['Long_MA'], label='50-Day MA', alpha=0.75)\n\n# \ub9e4\uc218 \uc2e0\ud638\nplt.plot(apple_data[apple_data['Position'] == 1].index,\n         apple_data['Short_MA'][apple_data['Position'] == 1],\n         '^', markersize=10, color='g', label='Buy Signal')\n\n# \ub9e4\ub3c4 \uc2e0\ud638\nplt.plot(apple_data[apple_data['Position'] == -1].index,\n         apple_data['Short_MA'][apple_data['Position'] == -1],\n         'v', markersize=10, color='r', label='Sell Signal')\n\nplt.title('AAPL Buy & Sell Signals')\nplt.xlabel('Date')\nplt.ylabel('Price in USD')\nplt.legend()\nplt.grid()\nplt.show()<\/code><\/pre>\n
7. \ubc31\ud14c\uc2a4\ud2b8 \ubc0f \uc131\uacfc \ubd84\uc11d<\/h2>\n
\uc774\uc81c \uc804\ub7b5\uc758 \uc131\uacfc\ub97c \ubc31\ud14c\uc2a4\ud2b8\ud558\uc5ec \uc131\uacfc\ub97c \ubd84\uc11d\ud558\uaca0\uc2b5\ub2c8\ub2e4. \ubc31\ud14c\uc2a4\ud2b8\ub780 \uacfc\uac70 \ub370\uc774\ud130\ub97c \uc774\uc6a9\ud558\uc5ec \uc804\ub7b5\uc774 \uc2e4\uc81c\ub85c \uc5bc\ub9c8\ub098 \ud6a8\uacfc\uc801\uc774\uc5c8\ub294\uc9c0\ub97c \ud3c9\uac00\ud558\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4.<\/p>\n
# \uc804\ub7b5 returns \uacc4\uc0b0\ndef backtest(data):\n    initial_capital = float(100000)  # \ucd08\uae30 \uc790\ubcf8\n    shares = 0\n    cash = initial_capital\n    for i in range(len(data)):\n        if data['Position'][i] == 1:  # \ub9e4\uc218\n            shares += cash \/\/ data['Close'][i]\n            cash -= shares * data['Close'][i]\n        elif data['Position'][i] == -1:  # \ub9e4\ub3c4\n            cash += shares * data['Close'][i]\n            shares = 0\n\n    final_capital = cash + shares * data['Close'].iloc[-1]\n    return final_capital\n\nfinal_capital = backtest(apple_data)\nprint(\"Final Capital: $\" + str(final_capital))<\/code><\/pre>\n
8. \uacb0\ub860<\/h2>\n
\uc774\ubc88 \ud3ec\uc2a4\ud2b8\uc5d0\uc11c\ub294 \ud30c\uc774\uc36c\uc758 DataReader<\/code>\ub97c \ud65c\uc6a9\ud558\uc5ec \uc8fc\uc2dd \ub370\uc774\ud130\ub97c \uac00\uc838\uc624\uace0, \uac04\ub2e8\ud55c \uc790\ub3d9\ub9e4\ub9e4 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6cc\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uc2e4\uc2dc\uac04 \uac70\ub798\uc5d0 \uc801\uc6a9\ud558\uae30 \uc804\uc5d0 \uc5ec\ub7ec \uc804\ub7b5\uc744 \ubc31\ud14c\uc2a4\ud2b8\ud558\uace0 \ucd5c\uc801\ud654\ud558\ub294 \uacfc\uc815\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc790\uc2e0\ub9cc\uc758 \ud6a8\uacfc\uc801\uc778 \uc790\ub3d9\ub9e4\ub9e4 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
\ub354 \ubc1c\uc804\ub41c \uc790\ub3d9\ub9e4\ub9e4 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud558\uae30 \uc704\ud574 \uba38\uc2e0\ub7ec\ub2dd, \ub525\ub7ec\ub2dd \uae30\ubc95\uacfc \ub2e4\uc591\ud55c \uae08\uc735 \uc9c0\ud45c\ub97c \ud65c\uc6a9\ud558\ub294 \uac83\ub3c4 \uc88b\uc740 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc55e\uc73c\ub85c\ub3c4 \ub2e4\uc591\ud55c \uc8fc\uc81c\ub85c \ub354 \ub9ce\uc740 \ub0b4\uc6a9\uc744 \ub2e4\ub8f0 \uc608\uc815\uc774\ub2c8, \ub9ce\uc740 \uad00\uc2ec \ubd80\ud0c1\ub4dc\ub9bd\ub2c8\ub2e4.<\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
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