A hypothetical $1,000 Bitcoin purchase at $612.13 in early October 2016 would be worth about $138,100 at CoinCodex’s latest Oct. 3 price of roughly $84,537, before fees or taxes. That represents a gain of about 13,700% over ten years. Bitcoin began 2016 near $430 and later rallied to almost $20,000 by the end of 2017. The return was marked by major reversals, including a 73% decline in 2018 and a 64.2% drop in 2022, rather than steady compounding. Bitcoin’s market capitalization is now around $1.7 trillion, with daily trading volume recently above $80 billion. The market has also developed from specialist crypto exchanges and limited institutional custody to include U.S. spot Bitcoin ETFs, institutional demand and corporate Bitcoin treasuries. ETFs offer a regulated brokerage route into BTC, but their flows represent only one part of a global market that also includes exchanges, derivatives, OTC desks and long-term holders.