<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMTEvMDE5MmY1OWItOGIyYy03MWE0LTg5OTMtZjBjNjkxYzFmYjg3.jpg"></p><p>A big final flush-out of altcoins may be imminent if historical market cycle patterns repeat. </p>