Bitcoin slides toward $80,000 as oil rallies and bond yields climb

• —BTC support sits at $80,000–81,500, the average cost basis of ETFs and treasuries
• —$85,000 is the key hurdle, where one-year and six-month purchase prices converge
• —A break below $80,000 would open the way to the True Market Mean near $77,600
• —A 6% yield on 10-year US Treasuries could halt the crypto bull run