> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/drift-labs/protocol-v2/llms.txt
> Use this file to discover all available pages before exploring further.

# Market Accounts

> Market account structures in Drift Protocol

Market accounts store configuration and state for perpetual and spot markets.

## PerpMarket Account

Perpetual market configuration and AMM state.

### Key Fields

<ResponseField name="marketIndex" type="u16">
  Unique market identifier
</ResponseField>

<ResponseField name="amm" type="AMM">
  Automated market maker state including reserves, oracle, and funding
</ResponseField>

<ResponseField name="marginRatioInitial" type="u32">
  Initial margin requirement
</ResponseField>

<ResponseField name="marginRatioMaintenance" type="u32">
  Maintenance margin requirement
</ResponseField>

<ResponseField name="imfFactor" type="u32">
  Initial margin fraction factor for size-based scaling
</ResponseField>

<ResponseField name="status" type="MarketStatus">
  Market status (ACTIVE, PAUSED, etc.)
</ResponseField>

<ResponseField name="contractType" type="ContractType">
  PERPETUAL or FUTURE
</ResponseField>

<ResponseField name="contractTier" type="ContractTier">
  Risk tier (A, B, C, SPECULATIVE, ISOLATED)
</ResponseField>

## SpotMarket Account

Spot market configuration for collateral assets.

### Key Fields

<ResponseField name="marketIndex" type="u16">
  Unique market identifier
</ResponseField>

<ResponseField name="mint" type="Pubkey">
  SPL token mint address
</ResponseField>

<ResponseField name="vault" type="Pubkey">
  Token vault holding deposits
</ResponseField>

<ResponseField name="initialAssetWeight" type="u32">
  Weight for initial margin calculations
</ResponseField>

<ResponseField name="maintenanceAssetWeight" type="u32">
  Weight for maintenance margin
</ResponseField>

<ResponseField name="depositBalance" type="u128">
  Total deposits in the market
</ResponseField>

<ResponseField name="borrowBalance" type="u128">
  Total borrows in the market
</ResponseField>

<ResponseField name="optimalUtilization" type="u32">
  Optimal utilization rate for interest
</ResponseField>

## TypeScript Types

<CardGroup cols={2}>
  <Card title="Market Types" href="/api/types/accounts">
    Full TypeScript interfaces
  </Card>

  <Card title="Perp Markets API" href="/api/markets/perp-markets">
    Access market data
  </Card>

  <Card title="Spot Markets API" href="/api/markets/spot-markets">
    Spot market methods
  </Card>

  <Card title="Market Concepts" href="/concepts/markets">
    Understanding markets
  </Card>
</CardGroup>