> ## Documentation Index
> Fetch the complete documentation index at: https://peak-docs.birdeye.so/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Lending & Borrowing

> Data Dictionary — lending and borrowing terms with definitions, formulas, units, and source commands

Supply / borrow rates, utilization, liquidations, and collateral metrics.

***

### Lending Market Size

Total value supplied to a lending protocol across all markets.

```
Formula   Σ(Supplied Asset × Price)
Unit      USD
Example   $2.1B
```

**Related** · Total Borrows, Utilization

**Used in** · [`LST`](/docs/docs/core-concepts/commands/by-object/protocol#lst-lending-stats)

***

### Total Borrows

Total value of outstanding loans on a lending protocol.

```
Formula   Σ(Borrowed Asset × Price)
Unit      USD
Example   $1.4B
```

**Related** · Lending Market Size, Utilization Rate

**Used in** · [`LST`](/docs/docs/core-concepts/commands/by-object/protocol#lst-lending-stats)

***

### Available Borrowing Liquidity

Value of assets available for borrowing in lending markets (supplied minus borrowed).

```
Formula   Total Supplied − Total Borrows
Unit      USD
Example   $700M available
```

**Related** · Lending Market Size, Total Borrows

**Used in** · [`LST`](/docs/docs/core-concepts/commands/by-object/protocol#lst-lending-stats)

***

### Lending Interest Rate

Current interest rate for supplying or borrowing assets on a lending protocol.

```
Formula   Protocol-defined rate model
Unit      % APY
Example   Supply: 3.2% APY, Borrow: 5.8% APY
```

**Related** · Utilization Rate, Lending Market Size

**Used in** · [`LST`](/docs/docs/core-concepts/commands/by-object/protocol#lst-lending-stats)

***

### Lending Utilization Rate

Percentage of supplied assets currently being borrowed on a lending protocol.

```
Formula   Total Borrows / Total Supplied × 100
Unit      %
Example   67.5%
```

**Related** · Total Borrows, Lending Rate

**Used in** · [`LST`](/docs/docs/core-concepts/commands/by-object/protocol#lst-lending-stats)

***

### Lending Liquidation

Forced closure of under-collateralized positions on lending protocols.

```
Unit      Events / USD
Example   15 events, $2.3M liquidated
```

**Related** · Collateral at Risk, LTV

**Used in** · [`LST`](/docs/docs/core-concepts/commands/by-object/protocol#lst-lending-stats)

***

### DeFi Yield Vaults

Structured DeFi products that automate yield strategies on lending protocols.

```
Unit      Product
Example   USDC Vault — 8.5% APY
```

**Related** · Lending Rate, TVL

**Used in** · [`LST`](/docs/docs/core-concepts/commands/by-object/protocol#lst-lending-stats)