흑자전환 찾기
import yfinance as yfimport pandas as pdfrom tqdm import tqdm# 코스피 200 티커 리스트kospi_200_tickers = [ "005930.KS", "000660.KS", "051910.KS", "035420.KS", "005380.KS", "012330.KS", "005490.KS", "068270.KS", "051900.KS", "006400.KS", "017670.KS", "000270.KS", "035720.KS", "036570.KS", "034730.KS", "105560.KS", "066570.KS", "028260.KS", "096770.KS", "018260.KS", "090430.KS", "032830.KS"..