Michael Saylor Predicted This Month That Bitcoin Will Appreciate 30% Annually for the Next 20 Years. Does the Math Behind That Call Hold Up for Strategy Investors?

Key Points

• Strategy's executive chairman, Michael Saylor, recently said he expects Bitcoin's price to grow at a 30% compound annual growth rate over the next 20 years.
• If he's correct, a single Bitcoin would be worth more than $12 million at the end of the forecast period.
• Saylor's target appears highly optimistic and unlikely, but it's not impossible.
• 10 stocks we like better than Strategy ›

In an interview earlier this month, Strategy (NASDAQ: MSTR) Executive Chairman Michael Saylor issued a startling prediction. The Bitcoin advocate said the market-leading cryptocurrency's price is on track to achieve a 30% compound annual growth rate (CAGR) over the next 20 years.

As of an update it published earlier this month, Strategy held 840,447 Bitcoins -- a position that works out to roughly 4% of the token's maximum supply of 21 million. If Bitcoin were to achieve Saylor's performance target, Strategy shareholders would be poised to make a fortune. Could Bitcoin really deliver performance on that level?

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Saylor's prediction looks highly unlikely, but that doesn't mean Bitcoin can't win

When Saylor made his prediction on Aug. 6, Bitcoin was trading at roughly $64,500 per token. The cryptocurrency has seen significant valuation gains since then, but using the token's price at the time of the prediction is important for a more precise read of what Saylor's forecast suggests.

Based on the $64,500 starting value, a single Bitcoin would be worth roughly $12.26 million in 20 years if Saylor's forecast proves correct. With nearly all of the company's maximum total supply of 21 million coins almost certain to have been mined by then, the cryptocurrency would have a market capitalization of roughly $257.5 trillion. For reference, the World Bank estimates that total worldwide gross domestic product was roughly $118.35 trillion in 2025.

If Strategy were to keep its current Bitcoin holdings exactly as is, the company would likely grow to a market capitalization well over $10 trillion. Given the company's heavy focus on being a net purchaser of the token, it's possible that Strategy could have a market cap far above that level if Saylor's forecast is accurate -- but investors shouldn't get too excited just yet.

The forecast from Strategy's executive chairman seemingly bakes in significant devaluation for the U.S. dollar, the potential loss of its status as the global reserve currency, and the emergence of Bitcoin as a leading alternative. Recent concerns about the U.S. national debt and uncertainty in the bond market due to unexpected moves by the U.S. Treasury have actually helped spur big valuation gains for Bitcoin following Saylor's forecast, but a 30% CAGR for Bitcoin's token price over a 20-year run appears unlikely.

While it's not an impossible scenario, there are a lot of speculative assumptions baked in. It's also worth noting that the purchasing power of Saylor's roughly $12.26 million 20-year price target would likely be severely diminished even if his forecast were to come to fruition, due to the seemingly built-in assumption of massive devaluation for the dollar. That doesn't mean that Bitcoin and Strategy can't be long-term winners, but investors should understand that Saylor's forecast is far from a safe bet.

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Keith Noonan has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Bitcoin. The Motley Fool has a disclosure policy.