Historically, the listing of #BTC in traditional financial markets has been a signal of the end of a bull market, rather than an indicator of the start of a bull market.

In December 2017, the United States launched Bitcoin futures, ending a two-year bull market;

In October 2021, the United States launched a Bitcoin futures ETF, ending a two-year bull market.

Market performance, from the time the news is basically confirmed to the official listing, takes 1 to 3 months, during which time prices fluctuate widely.

The more euphoric the market, the more clear-headed you need to be.