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Earn the Highest Yield in Defi

The Robo Advisor for Yield (RAY) is a system of smart contracts that optimize yield by automatically allocating assets to the highest yielding fixed income opportunities.

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Above Market Returns

RAY aims to generate alpha, or incremental yield earned in excess of a benchmark rate. In the six months since launch, the DAI RAY has generated 200 - 300 basis points, or 2 - 3% of annualized alpha relative to Compound.

Maximize Your Yield with RAY

RAY is the easiest way to ensure that you are always earning the optimal yield using a variety of fixed income strategies in the decentralized finance, or defi market.

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RAY connects yield-generating smart contracts with pooled liquidity. It currently supports on-chain lending for the ETH, DAI, USDC, bUSD tokens and the Aave, Compound, dYdX, Dai Savings Rate markets.

Assets (AUM)
$USD Value
Current Yield
DeFi Pulse
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Deposit Funds

Deposit ETH, DAI or USDC with any web3 wallet such as MetaMask or Ledger, and start maximizing your yield today!

Deposit Funds

How RAY Works

01

Defi Fixed Income Opportunities

There are a variety of fixed income strategies available to earn a yield on crypto assets including lending, DEX liquidity pooling and arbitrage. On-chain lending protocols such as Compound and dydx provide smart contracts that facilitate the decentralized lending and borrowing of crypto assets, with yields changing dynamically based on market supply and demand. RAY currently supports on-chain lending for ETH, DAI and USDC tokens via the Compound, dYdX and Dai Savings Rate markets.

02

Customize Opportunities and Mint Your RAY

RAY makes it easy for users to choose a specific set of opportunities that best suits their risk profile, and then automatically allocates capital to maximize the yield. To mint a RAY, investors send ETH, DAI or USDC from a web3 wallet to the RAY smart contract on the Ethereum blockchain. A unique ERC-721 token representing an ownership interest in the RAY liquidity pool is issued in return, and can be stored securely in any web3 wallet. Assets can only be withdrawn or transferred by the owner of the corresponding RAY ERC-721 token.

03

Monitor Rates and Optimize Allocations

An off-chain oracle monitors yields across protocols, and constantly calculates the optimal asset allocation. Predictive modeling based on supply and demand liquidity is used to determine the potential impact of capital flows on the available rates. Allocation decisions are sent from the off-chain oracle to the smart contacts for execution on-chain. Since rates change constantly, funds can often be reallocated up to 5 - 10 times per day. A future version of RAY will use a decentralized set of oracles operated by 3rd parties.

04

Easily Track Earnings with Detailed Reporting

On-chain lending interest is earned every block and compounds continuously. Detailed RAY reporting is available on-demand and via CSV download to track the principal value, interest earned, token balance, absolute return, annualized return, benchmark rate and alpha for all RAY positions on a daily basis. 20% of any realized alpha is contributed programmatically to a separate capital pool that is currently controlled by Staked. The alpha performance fee is only deducted from the user’s token balance at the time of withdrawal.

Audited, Open Sourced Code

The RAY smart contracts were audited by Trail of Bits, a leading security research firm, in July 2019. The official audit reports are available for download below.
Download the report
The RAY smart contract code was open sourced in October 2019, and is available at the Github repository below.
Access The Code
Join the RAY developers on Discord to discuss the RAY technology, API integrations and community driven development of the Yield Improvement Proposal (YIPs).
Join the Chat
All of the RAY core functions and associated documentation for minting, burning and reporting are available via the RAY API on Gitbook.
Connet to API

Fixed Income Opportunities Coming Soon

DEX Liquidity
Arbitrage
Staking
Collateral Liquidations
Off-Chain Lending
BTC

RAY Testimonials

One of the best deals might be in crypto fixed-income. Lenders automatically earn the highest available yield if they lend out their DAI using RAY. There is low pricing risk, low volatility risk and no counterparty risk.
Jake Ryan
@TradecraftJake · Mar 12, 2020
One of my favorite DeFi products is RAY by Staked. It auto-allocates your crypto (ex: $DAI) to the highest-yielding markets. But realize this: lending is the 1st application.
Spencer Noon
@spencernoon · Jan 3, 2020
Staked performed really well in month 3 of testing. It has done better than others consistently. It's probably safe to just put your money in RAY and be done.
Mahesh Murthy
@mvmurthy · Dec 30, 2019
This is really cool to see. Staked's RAY is proving it's better to let smart contracts do the work of optimizing yields vs wasting time manually checking lending rates and moving money around yourself. RAY optimizes your interest earned for ETH, DAI, SAI, or USDC.
DeFi Dad
@DeFi_Dad · Dec 30, 2019

Deposit Funds

Deposit ETH, DAI or USDC with any web3 wallet such as MetaMask or Ledger, and start maximizing your yield today!

Deposit Funds

Frequently Asked Questions

What is the Robo Advisor for Yield (RAY)?
The Robo Advisor for Yield (RAY) is a system of smart contracts and off-chain oracles that automatically allocate crypto assets to the highest yielding opportunities.
Have the RAY smart contracts been audited?
The RAY smart contracts were audited by Trail of Bits, a leading security research firm, in July 2019. The official audit report is available for download here.
What assets and opportunities does RAY support?
RAY currently supports on-chain lending for ETH, DAI and USDC tokens via the Compound, dYdX, Fulcrum (bZx) and MakerDAO DAI Savings Rate markets.
How does on-chain lending work?

On-chain lending protocols (e.g. Compound and dYdX) provide trust-minimized smart contracts that facilitate decentralized lending and borrowing of crypto assets. Yields change regularly based on market demand.

To lend crypto assets on-chain, investors deposit tokens into smart contracts operating on the Ethereum blockchain. Collateral requirements and interest payments are managed on-chain via smart contracts.

How do I deposit funds into a RAY?

ETH, DAI or USDC is deposited from either a MetaMask wallet or a Ledger wallet connected to MetaMask into the RAY smart contract on-chain.

A unique ERC-721 token representing an ownership interest in the RAY liquidity pool is issued in return and can be stored securely in any web3 wallet.

How does custody work for RAY tokens?
Assets are deposited into smart contracts on the Ethereum blockchain and can only be withdrawn by the owner of the corresponding RAY ERC-721 token.
How does RAY generate the highest yields?

An off-chain oracle monitors yields across protocols and constantly calculates the optimal asset allocation using nonlinear programming.

Yields are fetched directly from smart contracts to avoid potential API weaknesses and attack vectors.

A future version of RAY will use a decentralized set of oracles operated by 3rd parties for yield optimization.

How does RAY measure performance?
RAY performance is measured in alpha, or the incremental yield earned in excess of a benchmark rate that is publicly accessible using a naive allocation strategy. The Compound protocol yield is currently used as the benchmark rate.
Are there any fees to use RAY?
20% of any realized alpha is contributed programmatically to a separate capital pool that is currently controlled by Staked (“The RAY Alpha Pool”). The RAY Alpha Pool performance fee is only deducted from the user’s token balance at the time of withdrawal.
Who pays for gas?
Users pay for gas on deposits, withdrawals, and the addition of new opportunities. Staked currently pays for gas on all capital re-allocations, which can occur up to 10 times per day.
How frequently are funds reallocated?
Since rates change constantly, funds can often be reallocated up to 5 - 10 times per day.
What is the RAY roadmap?
RAY will be adding support for additional tokens such as USDT, TUSD, sUSD and BTC, as well as the Aave and DDEX on-chain lending protocols. RAY will also be adding new fixed income based opportunity types such as staking, DEX liquidity pooling, arbitrage trading and collateral liquidations.