> For the complete documentation index, see [llms.txt](https://www.notbank.com/learn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.notbank.com/learn/academy/en/bitcoin/bitcoin-as-an-asset.md).

# Bitcoin as an Asset

***

> “Bitcoin is the only perfectly scarce asset; everything else can be printed.”\
> — *PlanB*

***

## 1. Introduction

Bitcoin is not a traditional asset.\
It combines properties of:

* **monetary asset** (gold)
* **technology** (internet)
* **energy commodity** (mining)
* **communications network** (P2P)
* **global financial asset** (spot ETF, derivatives)

This chapter studies Bitcoin from the financial point of view:

* risk–return analysis
* correlations and macro behavior
* on-chain metrics
* quantitative valuation models
* simulations
* probabilistic valuation
* portfolio management

***

## 2. Financial nature of Bitcoin

Bitcoin presents unique characteristics:

| Property              | Description               | Outcome                        |
| --------------------- | ------------------------- | ------------------------------ |
| Absolute scarcity     | Supply ≤ 21M              | Inflation protection           |
| Sovereignty           | Self-custody              | Counterparty risk = 0          |
| Digitalness           | Global, instantaneous     | International liquidity        |
| Decentralization      | No central political risk | Resilience                     |
| On-chain transparency | Public data               | Unique quantitative metrics    |
| Inelastic supply      | Halving                   | Programmed deflationary shocks |

Emergent outcome:

> **Bitcoin is the asset with the greatest risk–reward asymmetry in modern financial history.**

***

## 3. Fundamental statistics of Bitcoin as an asset

Bitcoin has shown:

* annual returns above 100% on historical average
* extreme drawdowns (-80% in cycles)
* decreasing volatility
* dynamic correlation with traditional market
* “digital safe-haven asset” behavior in the long term

***

### 3.1. Volatility

Annualized volatility:

<p align="center"><span class="math">\sigma_{\text{anual}} = \sigma_{\text{diaria}} \cdot \sqrt{365}</span></p>

Historically $$\sigma \approx 60%-100%$$

Decreasing trend with:

* institutional adoption
* greater liquidity
* deeper derivatives markets

***

### 3.2. Correlations

Bitcoin exhibits **non-fixed correlations**:

| Asset  | Short-term correlation | Long-term |
| ------ | ---------------------- | --------- |
| Nasdaq | 0.2 – 0.6              | ↓         |
| Gold   | 0.0 – 0.3              | ↑         |
| DXY    | negative               | mixed     |
| Bonds  | almost 0               | almost 0  |

Bitcoin is an emerging asset → variable correlation.

***

### 3.3. Sharpe Ratio (historical)

<p align="center"><span class="math">Sharpe = \frac{R - R_f}{\sigma}</span></p>

Bitcoin historically:

* Sharpe > 1.0 (one of the highest among global assets)
* Gold ≈ 0.4
* Nasdaq ≈ 0.7

***

## 4. Market cycles and halvings

Bitcoin follows cycles tied to its **monetary policy**:

<p align="center"><span class="math">\text{Halving cada 210,000 bloques} \approx 4 \text{ años}</span></p>

Financial effects:

1. supply shock
2. upward pressure
3. asset repricing
4. excess euphoria
5. corrective fall
6. accumulation
7. new cycle

***

## 5. Quantitative models to analyze Bitcoin

### 5.1. Stock-to-Flow (S2F) Model

<p align="center"><span class="math">S2F = \frac{Stock}{Flujo\ anual}</span></p>

Bitcoin will increase its S2F indefinitely, due to the halving.

PlanB’s classic model:

<p align="center"><span class="math">\log(\text{Precio}) = a + b \cdot \log(S2F)</span></p>

Limitations:

* ignores demand
* ignores regulatory shocks
* simplifies adoption
* useful as a framework, not a perfect predictor

***

### 5.2. Metcalfe Model (network value)

Metcalfe's law:

<p align="center"><span class="math">Valor \propto N^2</span></p>

For Bitcoin:

<p align="center"><span class="math">Precio \sim k \cdot (\text{direcciones activas})^2</span></p>

On-chain metrics for N:

* active addresses
* on-chain volume
* UTXO age bands
* dormancy
* active entities

Compatible with the idea of Bitcoin as a monetary network.

***

## 6. On-chain metrics (unique to Bitcoin)

Bitcoin is the only asset whose complete accounting state is:

* public
* verifiable
* mathematically auditable

This enables metrics that DO NOT exist for traditional assets.

***

### 6.1. MVRV (Market Value / Realized Value)

<p align="center"><span class="math">MVRV = \frac{Valor\ de\ mercado}{Valor\ realizado}</span></p>

Interpretation:

* 3: euphoria → risk
* \~1: fair zone
* < 1: undervalued

***

### 6.2. Realized Cap

Based on the price at which each UTXO last moved.

It is an indicator of the market's “aggregate cost.”

***

### 6.3. Coin Days Destroyed (CDD)

Measures spending of old coins:

<p align="center"><span class="math">CDD = \sum (\text{Monedas gastadas} \cdot \text{días acumulados})</span></p>

Indicates long-term holders' behavior.

***

### 6.4. Supply Liveliness

<p align="center"><span class="math">L = \frac{\sum CDD}{\text{Edad total de monedas}}</span></p>

Indicates whether HODLers are selling or accumulating.

***

## 7. Adoption-dynamics-based models

Bitcoin follows logistic adoption curves similar to:

* The Internet
* smartphones
* electricity
* communication technologies

Logistic model:

<p align="center"><span class="math">Adopción(t) = \frac{K}{1 + e^{-r(t-t_0)}}</span></p>

Bitcoin is in an accelerated growth phase.

***

## 8. Bitcoin in traditional portfolios

Studies show that:

* optimal portfolio weight = 1%–10%
* reduces total risk due to **uncorrelated diversification**
* increases expected return
* improves Sharpe

***

## 9. Simple quantitative simulation (pseudocode)

Monte Carlo simulation:

```python
import numpy as np

N = 10000
days = 365*4
mu = 0.1     # expected annual return 10%
sigma = 0.7  # annual volatility

results = []
for i in range(N):
    daily_returns = np.random.normal(mu/365, sigma/np.sqrt(365), days)
    price = 1 * np.exp(np.cumsum(daily_returns))
    results.append(price[-1])

print("Expected price:", np.mean(results))
print("Deviation:", np.std(results))
```

***

## 10. Bitcoin as collateral

Bitcoin is one of the best financial collaterals because:

* it is fungible
* it is globally transferable
* it does not depend on intermediaries
* it cannot be frozen at the consensus layer
* it has a fixed supply
* growing liquidity

This enables:

* loans against BTC
* decentralized collateral systems
* multi-signature contracts
* financial infrastructures without custodians

## 11. Financial risks

Risks to consider:

1. **Short-term volatility**

Mitigation: horizon ≥ 4–10 years.

2. **Regulatory risk**

Mitigation: node sovereignty + global distribution.

3. **Liquidity risk**

Declining with institutional volume.

4. **Risk** technological

Extremely low after 15 years without critical failures.

5. **Macro risk**

Bitcoin behaves like a global macro asset (sensitivity to global liquidity).

***

## 12. Bitcoin and derivatives markets

The ecosystem includes:

* perpetual futures
* options (call/put)
* institutional forwards
* spot ETFs (high impact)
* OTC swaps

It implies:

* greater price efficiency
* lower structural volatility
* global price discovery

***

## 13. Chapter conclusion

Bitcoin is not just a digital asset; it is a macroeconomic financial asset, with unprecedented properties:

* perfectly known supply
* incorruptible monetary policy
* cross-cutting on-chain metrics
* adoption with logistic behavior
* energy security
* growing monetary utility

**Bitcoin is the purest, the most transparent, the most scarce, the most verifiable and the most resilient asset that has existed in financial history**.

***

> Bitcoin is not a technological bet. **It is a bet against inflation, monetary manipulation and the collapse of institutional trust.**

***


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