<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDIvYjhmMWVlNTYtYTEwYy00NWRhLWE5YjgtNjA5Y2ZhYTdjMDcwLmpwZw==.jpg"></p><p>BTC futures open interest approaches a record high and today’s sharp sell-off triggered alarm from traders. </p>