Idle Finance

Access risk-adjusted yield through Idle’s tranched vaults

What this yield is

• Protocol: Idle Finance tranched vaults
• Asset: stETH, MATIC, USDC, USDe, WETH
• Products: Senior Tranches (lower risk) + Junior Tranches (higher risk/yield)
• Network: Ethereum

Idle Finance offers two classes of tranches: Senior Tranches receive a guaranteed minimum yield with lower risk, while Junior Tranches receive outperforming APYs in exchange for higher risk exposure.

Required inputs

Parameter	Description
yieldId	The specific Idle vault yield ID
address	User’s wallet address
amount	Amount to deposit

Tranche types

Senior Tranche

Lower risk, stable yield

• Receives guaranteed minimum portion of yield
• Protected by Junior tranche liquidity
• Lower but more predictable returns

Junior Tranche

Higher risk, higher yield

• Receives outperforming APYs
• Takes on increased risk exposure
• Potential for higher returns

Actions & lifecycle

Enter

Action: Deposit assets into Idle vault

• Choose Senior or Junior tranche
• Supply the underlying asset
• Begin earning yield

Exit

Action: Withdraw assets from the vault

• Redeem tranche tokens for underlying
• Receive principal plus accrued yield
• Instant withdrawal

Example flow

1. Get yield metadata

   Fetch available Idle vaults and their current rates.

2. Enter position

   Call the enter action with your deposit amount.

3. Sign & submit

   Sign the transaction and broadcast to the network.

4. Track balances

   Monitor your position via the balances endpoint.

Get yield metadata

curl --request GET \
  --url https://api.yield.xyz/v1/yields/ethereum-usdc-aammsteakusdc-vault \
  --header 'accept: application/json' \
  --header 'x-api-key: <API_KEY>'

Operational notes

No pending actions

Idle Finance vaults have no pending actions. Yield accrues automatically.

Risk/reward tradeoff

Junior tranches earn higher APYs but bear the first loss in case of underlying strategy issues. Senior tranches are protected but earn less.

Underlying strategies

Vaults leverage various DeFi protocols including Lido, Instadapp, Steakhouse, Gearbox, and Ethena.

Yield IDs for this protocol

Show Idle Finance yield IDs

Vault naming: aa prefix = Junior, bb prefix = Senior

Ethereum

Yield ID	Name
ethereum-steth-aainstadappsteth-vault	Instadapp stETH Junior Vault
ethereum-steth-bbinstadappsteth-vault	Instadapp stETH Senior Vault
ethereum-steth-aalidosteth-vault	Lido stETH Junior Vault
ethereum-steth-bblidosteth-vault	Lido stETH Senior Vault
ethereum-matic-aalidostmatic-vault	Lido stMATIC Junior Vault
ethereum-matic-bblidostmatic-vault	Lido stMATIC Senior Vault
ethereum-usdc-aammsteakusdc-vault	Steakhouse USDC Junior Vault
ethereum-usdc-bbmmsteakusdc-vault	Steakhouse USDC Senior Vault
ethereum-usdc-aagearusdc-vault	Gearbox USDC Junior Vault
ethereum-usdc-bbgearusdc-vault	Gearbox USDC Senior Vault
ethereum-weth-aagearweth-vault	Gearbox WETH Junior Vault
ethereum-weth-bbgearweth-vault	Gearbox WETH Senior Vault
ethereum-usde-ethenausdejr-vault	Ethena USDe Junior Vault
ethereum-usde-ethenausdesr-vault	Ethena USDe Senior Vault

See also

Quickstart

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Actions & Balances

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