Leveraging a vault position involves using borrowed funds to purchase more of the collateral asset with the goal of increasing yields. This process can be repeated a number of times until the desired values are reached. With each step of leverage, a number of key values change, usually in the same direction after step 1.

Below is a case study of the leverage process using a position of wstETH on Open Dollar, the recent average value of wstETH at the time of writing ($4,000) and it’s historical average APY, both of which fluctuate. The user’s objective in this scenario is to maximize their yield while maintaining a collateralization ratio of at least 140%.
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Disclaimer: This is not financial advice.
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Initial Funds: 10 wstETH ($40,000)
‍Net APY: $1,520 (10 wstETH x 3.8% APY)

Example vault parameters for wstETH:

• Minimum collateralization ratio: 125%
• Liquidation threshold: 120%‍
• APR for borrowing: 1.85%
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Step 1:

User deposits the full amount of collateral, 10 wstETH, and borrows the maximum amount of OD, which they then use to purchase the maximum amount of wstETH and deposit it into the vault.
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• Current Collateral Value (Before Borrowing): 10.00 wstETH ($40,000)
• OD Borrowed: $32,000
• Total Borrowed Value (OD): $32,000
• wstETH Purchased: 8.00
• New Collateral Value: 18.00 wstETH ($72,000)
• New Collateralization Ratio: 225.00%
• Leverage Multiple: 1.80x
• Liquidation Threshold: $1,481.48 per wstETH
• Net APY: 5.36% ($2,144)
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Upon the first step of leverage, the user has nearly doubled their deposited collateral value and built a position with a very high collateralization ratio, very low liquidation threshold relative to the current price of wstETH, and increased their net APY by 41.05% compared to their original yield. While leveraging a position typically carries more risk, the collateral ratio upon this step is relatively safe compared to un-levered CDPs.
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Step 2:

In the second step of leverage, the same process is repeated: The user borrows the maximum amount of OD after depositing the newly purchased wstETH collateral.
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• Current Collateral Value (Before Borrowing): 18.00 wstETH ($72,000)
• OD Borrowed: $25,600
• Total Borrowed Value (OD): $57,600
• wstETH Purchased: 6.40
• New Collateral Value: 24.40 wstETH ($97,600)
• New Collateralization Ratio: 169.44%
• Leverage Multiple: 2.44x
• Liquidation Threshold: $1,967.21 per wstETH
• Net APY: 6.61% ($2,644)
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With the position now leveraged to a multiple of 2.44x, the net APY of 6.61%($2,644) is an increase of 73.95% of the original of 3.8%($1,520), inclusive of borrowing fees. Note that the liquidation threshold has also risen and the collateralization ratio has dropped relative to the previous step.
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The Trend

Repeating the process detailed in the previous steps, the user borrows the maximum amount of OD after depositing the newly purchased wstETH collateral. With each step of leverage, the values continue to change in the same direction as the previous step:
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Increasing Values

• Current Collateral Value (Before Borrowing)
• New Collateral Value 
• Total Borrowed Value (OD) 
• Leverage Multiple 
• Liquidation Threshold
• Net APY
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Decreasing Values

• OD Borrowed
• wstETH Purchased
• New Collateralization Ratio
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As more collateral is purchased from additional borrowing, the net yield, liquidation threshold, and leverage multiple increases in addition to the total collateral value and outstanding debt. The amount available to borrow falls in each step due to the minimum collateralization ratio requirement of 125%, limiting borrowing power to 80% of your added collateral value in each step.

Also, the total collateralization ratio decreases as the amount of debt rises relative to the amount of collateral.
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Step 3:

In the third step of leverage, the same process is repeated: 
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• Current Collateral Value (Before Borrowing): 24.40 wstETH ($97,600)
• OD Borrowed: $20,480
• Total Borrowed Value (OD): $78,080.00
• wstETH Purchased: 5.12
• New Collateral Value: 29.52 wstETH ($118,080)
• New Collateralization Ratio: 151.23%
• Leverage Multiple: 2.95x
• Liquidation Threshold: $2,204.16 per wstETH
• Net APY: 7.61% ($3,044)
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Step 4 - Target Reached
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• Current Collateral Value (Before Borrowing): 29.52 wstETH ($118,080)
• OD Borrowed: $18,816
• Total Borrowed Value (OD): $94,464
• wstETH Purchased: 4.10
• New Collateral Value: 33.62 wstETH ($134,464)
• New Collateralization Ratio: 142.34%
• Leverage Multiple: 3.36x
• Liquidation Threshold: $2,341.74 per wstETH
• Net APY: 8.41% ($3,364)
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In the final step, the user reaches their target collateralization ratio with a leveraged position of 3.36x more wstETH collateral than their original amount of 10 wstETH. They now have nearly $118,080 in wstETH and a 121.32% greater net yield of 8.41%($3,364) versus their original yield of only 3.8%($1,520), inclusive of the 1.85% APR borrowing fees.

The liquidation threshold is now at $2,341.74, or roughly 41.5% less than the market price of wstETH when they began. Depending on the risk tolerance and yield goals of the user, they could continue, but in this scenario, they have reached their target and are comfortable with these values.

We hope you enjoyed this case study on leveraging your vault. As reflected on our Roadmap, a selectable leverage slider is planned for release that will automatically loop your vault to the desired leverage value without repeating this process manually. If you have any questions, feel free to ask us in our Discord!

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The Arbitrum network is rapidly gaining traction in the blockchain arena, offering lightning-fast transactions and cost-efficiency that Ethereum’s L1 simply can’t compete with.

In this guide we’ll provide a bit of background on Arbitrum and show you how to bridge your ETH or other assets to the Arbitrum L2 so you can take full advantage of these benefits.

Why choose Arbitrum?

Since launching in 2021 Arbitrum has quickly become the #1 L2 for DeFi users, attracting $5.71b in Total Value Locked (TVL), which is 3 times greater than its closest L2 competitor Optimism and 4 times that of the next eight combined.

Image credit: TheBlock

Arbitrum’s low transaction fees, fast processing speeds, and easy migration of existing Ethereum applications have resulted in a rich and diverse ecosystem.

This, combined with its commitment to decentralization and a strong community focus, makes Arbitrum an attractive platform for DeFi developers and users, leading to its widespread adoption and popularity in the space.

Why Bridge?

Bridging to Arbitrum offers several advantages for users:

Cost-Effective Transactions: Switching to Arbitrum's Layer 2 can lead to significant savings in gas costs, especially for those engaging in frequent and complex transactions.

Increased Speed and Efficiency: Thanks to its Optimistic Rollup technology, Arbitrum ensures faster transaction processing, which is crucial in fast-paced trading environments.

High Throughput: Arbitrum can handle more transactions than Ethereum's mainnet, reducing congestion and delays, making it ideal for DeFi protocols and high-volume applications.

Security of Ethereum: Users benefit from the same level of security as Ethereum’s Layer 1, ensuring their assets are protected while enjoying enhanced transaction capabilities.

Growing Ecosystem and Adoption: Arbitrum's increasing Total Value Locked (TVL) reflects its growing trust and adoption in the community, offering users more opportunities and functionalities.

Access to Diverse DeFi Protocols: Users get access to a broad range of dApps and financial protocols, some exclusive to Arbitrum or performing better than on other networks.

Bridge Walkthrough

Step 1: Choose a Bridge

The Arbitrum network is supported by a growing selection of bridges. Some of the more popular include:

• Stargate
• Across
• Synapse
• Rhino
• Celer cBridge
• Hop

These facilitate token transfers from Ethereum and multiple other chains to Arbitrum. The Arbitrum Official Bridge and Stargate stand out as two of the most used bridges, which we’ll be covering in this blog post.

If speed is not your concern, Arbitrum official bridge is the optimal choice for those seeking the highest level of security in transferring funds, particularly suitable for high-value transactions requiring an official channel.

However, if you’re in a hurry, Stargate’s average time for bridging to Arbitrum is around 10 minutes according to their official website, provided you’re comfortable with utilizing a third-party bridge.

Arbitrum Official Bridge

The Arbitrum Canonical Bridge is the official bridge route inside of the Arbitrum smart contract connecting it to Ethereum. The official bridge is the most secure method of moving your funds to the L2.

The only downside is that the process will typically take roughly one week. This is because Arbitrum allows 7 days for proofs to be submitted about its transactions to make sure they are all valid.

Stargate

Stargate Finance has achieved the position of having the second most bridge volume on Arbitrum, following only the official Arbitrum bridge, with a bridge time of around 10 to 20 minutes depending on Ethereum network congestion.

Stargate Finance supports multiple tokens such as ETH, USDC, USDT, DAI, and BUSD, and allows for bridging across various networks including Ethereum, Arbitrum, BNB Chain, Optimism, and more​​. This versatility and wide support make it a popular choice for users looking to interact across different blockchain ecosystems.

In terms of security, Stargate Finance has undergone audits from three major entities: Quantstamp, Zelliz, and Zokyo. Moreover, the platform launched a significant bug bounty program, offering rewards up to $15M, which illustrates its commitment to security and reliability.

Step 2: Setting Up the Arbitrum Network

To access the Arbitrum network, you'll need to configure your wallet accordingly. In this guide we’ll be selecting the most popular wallet provider, Metamask, due to its wide support and popularity.

Steps may differ depending on your choice of wallet. If you wish to install MetaMask, visit MetaMask for installation.

Steps to Add Arbitrum Network to MetaMask:

1. Open MetaMask and sign in to your Ethereum wallet.
2. Click on the network name (typically "Ethereum Mainnet") in the top right to access the network selection menu.
3. Choose "Custom RPC."
4. Fill in the Arbitrum network details:
5. Network Name: Arbitrum One
6. New RPC URL: https://arb1.arbitrum.io/rpc
7. ChainID: 42161
8. Symbol: ETH
9. Block Explorer URL: https://arbiscan.io/
10. Click 'Save' to add the network.

After these steps, your MetaMask wallet will be connected to Arbitrum One, ready for transactions!

Step 3: Using the Bridge

Arbitrum Official Bridge Walkthrough

Go to the Arbitrum Bridge website: https://bridge.arbitrum.io.

1. To connect your wallet, click the "Connect Wallet" button and choose MetaMask.
2. Select the asset (ETH or any supported token) you wish to transfer from Ethereum to Arbitrum.
3. Input the amount for the bridge transaction.
4. Carefully review the transaction details.
5. Click "Bridge" to start the transfer process.
6. In MetaMask, confirm the transaction and cover the necessary gas fees.
7. Once the transaction has confirmed your funds will arrive within 8 days.

This completes your bridge operation to Arbitrum using the Official Bridge! If you need more help or would like to do your own research, you can reference Arbitrum’s Docs on the process.

Stargate Finance Bridge Walkthrough

While transaction durations may fluctuate due to network congestion and similar factors, Stargate consistently outperforms official bridges in terms of speed. Remarkably, Stargate completes bridge transactions in as little as 10 minutes, much faster than the 7-day timeframe required by the official Arbitrum bridge. This efficiency makes Stargate an attractive choice for users seeking quick and reliable asset transfers between these networks.

Here's a step-by-step guide:

1. Start by navigating to the Stargate.Finance website.
2. Click on the option to connect your wallet, typically MetaMask or any other compatible Web3 wallet.
3. Select Ethereum as your source network and Arbitrum as your destination network.
4. Choose the specific asset (like ETH, USDC, USDT) that you want to transfer.
5. Input the amount of the asset you wish to bridge.
6. Carefully check the transaction details, including any fees and the estimated transaction time.
7. Click the button to start the bridging process.
8. Approve the transaction in your connected wallet, agreeing to any necessary gas fees.
9. Wait for the transaction to process. The average transaction time on Stargate.Finance is typically faster than traditional bridges, but it can still vary.

Once the transaction is confirmed, your assets will be available on Arbitrum! For more information on using Stargate’s bridge or to do further research, you can reference their Docs.

Conclusion

After your assets have successfully transferred to Arbitrum, you're ready to experience the benefits of enhanced speeds and significantly lower transaction costs.

Arbitrum's ecosystem allows you to seamlessly engage with a wide array of decentralized applications (dApps) and DeFi protocols, making your assets readily accessible and versatile for various uses.

We hope you found this guide useful! If you have any questions or suggestions for improvements, you can let us know in our Official Discord.

You can also learn more about the Arbitrum Ecosystem on our blog here.

Open Dollar is a DeFi lending protocol built on Arbitrum for borrowing against liquid staking tokens while earning staking rewards and providing CDP liquidity with Non-Fungible Vaults (NFVs).

Try the Open Dollar App today and follow us on our socials.

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