mNAV stands for modified Net Asset Value. It is not a measure of Bitcoin's price itself, but a metric that shows the premium a publicly traded company—like a Bitcoin treasury company such as Strategy—trades at relative to the net value of the Bitcoin it holds.
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In simple terms, if a company holds 100 BTC worth $10 million but its stock market cap is $15 million, its mNAV is 1.5x. The extra 0.5x is the market's expectation that the company will be able to buy more Bitcoin in the future. There are three main approaches to calculate this premium:
Basic Metric — Total market cap divided by Bitcoin holdings value
This is the most common and most easily misunderstood method. The formula is: mNAV = Total Market Cap / Bitcoin Holdings Market Value
How to do it:
- Find the company's latest total market cap (common stock) from a financial website.
- Multiply the company's publicly disclosed BTC holdings by the current BTC market price to get the holdings market value.
- Divide total market cap by holdings market value to get mNAV.
What you get: A straightforward number. If it's above 1, the market is paying a premium; below 1 means the market is skeptical or the company may be undervalued.
Common mistake: Many people see mNAV > 1 and think "bubble." But this method ignores the company's debt structure—the company bought coins partly with proceeds from bond issues and preferred shares, which rank ahead of common stock. You can't simply attribute the whole market cap to common shareholders.
Risk note: The head of research at NYDIG points out that mNAV often uses "assumed shares outstanding," which may include convertible notes that haven't met conversion conditions, making the data potentially inaccurate. Decisions based directly on this number can easily overestimate or underestimate the true premium.
Adjusted Metric — "Hard NAV" after deducting liabilities
This is where the "modified" part comes in: subtract the debt and preferred shares used to buy Bitcoin, leaving only the net assets attributable to common stock.
Case A: Strategy's official mNAV framework
In July 2026, Strategy updated its mNAV model to include all senior securities such as convertible notes and preferred shares, and raised its mNAV multiple from 1.04x to 1.07x. They explicitly set the threshold for accretive Bitcoin per share at 1.0x—only when mNAV is above 1 does issuing new stock to buy BTC not dilute existing shareholders.
Case B: Independent analyst's "strip out non-BTC business" method
If you want to isolate the BTC treasury premium and remove the company's non-BTC operations (for example, MicroStrategy's legacy software business), you can calculate it like this:
mNAV = (Convertible Note Face Value + Preferred Share Face Value + Common Stock Market Cap – USD Reserves) / BTC Holdings Market Value
What you get: You can now distinguish between the simple "total market cap / BTC value" ratio and the net value approach after deducting liabilities, and you know which one you're using.
Common mistake: When using the adjusted method, many forget to subtract cash and cash equivalents held by the company. Those dollar reserves are also assets and must be deducted when calculating net asset value.
Split Metric — Short-term vs long-term perspectives (dynamic mNAV)
This is the most granular layer, mainly used to understand why mNAV changes across different time frames. The core logic: preferred shares and convertible notes have different claims on the premium in the short term versus the long term.
Case A: Short-term / dynamic view (1–4 years)
In the short run, preferred shares do not need principal repayment; they only pay fixed dividends. So over a shorter horizon, you can exclude the preferred principal from liabilities and only account for a few years of future dividends. This gives a higher mNAV. One analyst calculated MSTR for 1-year, 4-year, and 10-year periods, getting 0.977 (slight discount), 1.095 (premium), and 1.39 (higher premium), respectively.
Case B: Long-term / static view (10 years)
Over a 10-year horizon, you must account for preferred share principal repayment, and convertible note conversion or maturity. In this view, the Bitcoin value is split into three layers: first allocated to convertible notes and preferred shares (at face value), and the remainder belongs to common shareholders. If the common stock market cap exceeds this "aligned value," the difference is the long-term mNAV premium.
What you get: You can explain that mNAV is not a fixed number. It changes significantly depending on whether you treat preferred shares and convertible notes as premium-participating instruments, and on the length of the time horizon you choose.
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How to Verify Your Calculation
Pick a Bitcoin treasury company (such as Strategy or Metaplanet) and calculate its mNAV using all three methods. Compare the differences. Then check official data published by the company (Metaplanet, for example, has a public real-time dashboard) to see whether your own mNAV falls within a reasonable range.
Next step: When mNAV is above 1, such companies can use ATM (at-the-market) equity offerings to raise money and buy more Bitcoin, creating a positive feedback loop. But if mNAV falls below 1, this model breaks down—further share issuance would dilute shareholders. The next time you see a company like this announce a new offering, quickly check that day's mNAV to judge whether the move is "accretive" or "dilutive." That's the fastest way to test the practical value of this indicator.
