Moat · Treasury → Satoshi Institute
Balance-Sheet Impact Model
Under the current accounting standard, every dollar of Bitcoin on the balance sheet is marked to market through net income each quarter. This shows what that does to reported earnings, and how loud the volatility gets relative to the business underneath it.
Accounting basis: ASU 2023-08, crypto held at fair value, changes flow through net income. Effective for fiscal years beginning after Dec 15, 2024.
Company & Allocation
Signal vs. noise in reported earnings
quarterly, ±2σThe bell is the range of reported quarterly earnings once Bitcoin is marked to market. The solid line is the operating income the business actually produced. When the bell is wider than that line, the mark is driving the print.
What this leaves out
- Fair value through net income. Per
ASU 2023-08, unrealized BTC gains and losses hit net income every period. The pre-2025 impairment-only model, write down, never up, no longer applies. This is the entire reason the volatility is now visible in EPS. - Deferred tax shield. The mark is tax-effected at your effective rate (
impact = allocation × move × (1−t)), since the gain isn't taxable until sale. Watch CAMT: the 15% corporate alternative minimum tax can reach unrealized gains via AFSI for very large filers, which erodes that shield. - Reported ≠ economic. This measures GAAP earnings volatility, not cash lost. The coins are unchanged unless sold. The point of the tool is that the income statement will move in ways the operating business did not.
- Volatility scaling. Quarterly σ = annual σ ÷ 2 (√-time). Bitcoin's annualized realized vol is the input, adjust it to your own house view.
This is the conversation a board has before the allocation, not after the first bad quarter.
A Satoshi Institute Treasury Assessment runs this against your real financials, your governance triggers, and the disclosure language your auditors will expect.
FAQ
How does FASB ASU 2023-08 change the way Bitcoin appears on a balance sheet?
Before FASB ASU 2023-08 (effective for fiscal years beginning after December 15, 2024), Bitcoin held as a corporate asset was classified as an indefinite-lived intangible asset. Under that treatment, companies could only write it down (impairment) — they could not write it up, even when price recovered. This created asymmetric, confusing balance sheet presentation.
What changed under ASU 2023-08:
Bitcoin holdings are now measured at fair value each reporting period. Unrealized gains and losses flow through net income. This means:
- A company holding Bitcoin will report earnings volatility tied directly to price movement
- A strong Bitcoin quarter creates paper income; a weak quarter creates paper losses
- Book value and EPS become partially a function of Bitcoin price, not just operations
Why this matters for treasury decisions:
The accounting change didn't change the economics of holding Bitcoin — it changed the visibility of the volatility. A CFO who allocates to Bitcoin now has to explain quarterly P&L swings to analysts who may not model them. The allocation decision is now also a financial communications decision.
What the model shows:
The impact on earnings per share, book value per share, and key financial ratios (debt-to-equity, return on assets) under different Bitcoin price scenarios. The goal is to surface the reporting-layer consequences of an allocation decision before it's made, not after the first volatile quarter.
Does the change apply to private companies too?
Yes, with the same effective dates. ASU 2023-08 applies to all entities that hold crypto assets meeting the standard's definition, public or private, as long as they prepare US GAAP financials.
Private companies often discover the impact when a lender or potential acquirer asks for GAAP statements during diligence. A Bitcoin position that wasn't material to operations can become material to covenant compliance once it has to be marked at fair value through income.
How should analysts adjust earnings for the Bitcoin mark?
The market has converged on reporting both: GAAP net income (which includes the Bitcoin fair-value gain/loss) and an adjusted figure that strips it out, usually labelled "operating net income" or "core earnings."
What good IR disclosure looks like:
- Both GAAP and ex-Bitcoin EPS disclosed every quarter, reconciled
- Quarter-end and average-of-quarter Bitcoin price clearly stated
- Sensitivity table showing EPS impact per ±10% Bitcoin move
- Distinction between realised gains/losses (actual sales) and unrealised mark adjustments
Analyst models typically use the adjusted figure for operating performance and value the Bitcoin position separately, the way they would value any large marketable security.
What's the impact on debt covenants and credit metrics?
This is the most under-appreciated consequence. Many credit agreements were written for entities holding cash, receivables and PP&E. They were not written assuming a 50% mark-down in a single asset could swing reported equity by tens or hundreds of millions in one quarter.
Three covenants to recheck explicitly:
- Minimum net worth or tangible net worth — fair-value swings flow directly through equity
- Debt-to-EBITDA or interest coverage — depending on how the covenant defines EBITDA, the Bitcoin mark may or may not be excluded
- Asset coverage ratios — these may treat Bitcoin as a qualifying asset, a partial asset, or not at all, depending on how the agreement was negotiated
The right time to renegotiate covenant definitions is before the next refinancing, not in the middle of a Bitcoin drawdown.
Methodology
Models the income-statement and balance-sheet impact of corporate BTC holdings under FASB ASU 2023-08 fair-value accounting.
- Period Mark-to-Market P&L
- PnL = H · (P_end − P_begin)
- Unrealized Gain vs Cost Basis
- U = H · (P_spot − P_cost)
- Earnings Volatility Introduced
- vol = |PnL| ÷ OpEarnings × 100%
- Concentration Risk
- C = (H · P_spot) ÷ TotalAssets
- Per-Share Impact
- ΔEPS = PnL · (1 − tax_rate) ÷ shares_outstanding
Effective for fiscal years beginning after Dec 15 2024 — cost-less-impairment is gone; all changes flow through net income. The output is a board-readable view of how the position changes the shape of reported results.