def METHOD_NAME(self):
    ticker = st_helpers.load_state("ticker", "")
    if ticker and ticker != self.last_ticker:
        stock = yfinance.Ticker(ticker)
        self.options = list([*stock.options])
        st_helpers.save_state("options", self.options)
        self.last_ticker = ticker
        st_helpers.save_state("last_ticker", self.last_ticker)
        self.stock = stock
        st_helpers.save_state("stock", self.stock)