MLP Vault Explained: Liquidity Partners Earn Fee Sharing

Introduction

For most users, the platform is a place to trade. The MLP Vault flips the model: instead of paying fees, you become one of the people collecting them. By depositing USDC into the vault, you take on the role of a liquidity partner — providing the capital that backstops the platform's trading activity, and earning a share of the fee revenue that activity generates.

This guide explains exactly what the MLP Vault is, how the fee-sharing mechanism works, what T+1 simple interest means in practice, why the 4-day lock-up exists, and where the actual risks live. By the end, you'll know whether MLP is a fit for the role you want capital to play in your account.

1. What MLP Is

MLP is the platform's pool of pooled USDC liquidity that supports core trading activity — the same way a market maker provides quotes and absorbs flow. When traders open and close positions, the platform earns trading fees and other forms of revenue. A defined share of that revenue flows back to MLP depositors.

Think of it as the inverse seat at the same table: traders pay fees, and the people whose USDC sits in MLP collect a portion of those fees. The more trading activity the platform processes, the more revenue the vault earns. The less activity, the less revenue.

This is a real position with real exposure — not a fixed-rate savings account. Returns vary with platform activity, and in periods of unusual market behavior (covered below), there can be temporary drag on returns. It's a yield product, not a guaranteed deposit.

2. How Fee Sharing Works

Three things drive what you earn:

• Platform fee revenue. Trading fees, funding-related revenue, and other fee streams flow into a pool that is partly distributed to MLP depositors.
• Your share of the vault. When you deposit, you receive a claim that represents your proportional ownership of MLP. Your earnings scale linearly with your share — a depositor with 1% of total MLP value receives 1% of the distribution.
• Time you're deposited. Earnings accrue daily on your share, settled as T+1 simple interest (explained below). Earnings stop accruing the day you finalize a withdrawal.

Because returns come from real economic activity rather than a fixed promise, the APY moves over time. Active periods bring higher yields; quiet periods bring lower yields. Most platforms publish a recent rolling APY (e.g. last 7 or 30 days) so you can see what depositors have actually been receiving — that's a much more useful number than a "headline" rate.

3. T+1 Simple Interest, in Plain Language

"T+1" is settlement-industry shorthand: interest earned on day T is credited to your balance on day T+1 — typically the next business or trading day, in this case usually the next 00:00 UTC.

"Simple interest" means earnings are calculated on your deposited principal, not compounded automatically. So a $10,000 deposit at, say, an 8% annualized simple rate earns the same daily amount throughout the period you're deposited; the $10,000 doesn't grow into $10,022, then earn interest on $10,022 the next day, unless you actively re-deposit your earnings.

If you want compounding, you can do it manually: when interest is credited, deposit those earnings back into the vault. Most depositors find that the difference between simple and compounded yield is small over short windows, and the simplicity of clear, predictable T+1 settlements outweighs the marginal compounding gain.

4. The 4-Day Lock-Up

When you deposit into MLP, your USDC is locked for 4 days. If you make an additional deposit during the lock-up period, the unlock time for your entire balance is reset to the time of the latest deposit. before it can be withdrawn. This is the most important mechanical feature to understand before depositing.

Lock-up Period: Funds are locked for 4 days (subject to real-time display on the page and final system settlement). Adding more funds before the lock-up ends will reset the lock period for the full balance.

Why the lock exists: the vault provides liquidity that supports trading. If depositors could pull capital instantly during stress, MLP wouldn't be reliable liquidity at all — it would amplify, not absorb, market shocks. The 4-day lock guarantees a minimum stability window for the capital, which is also what enables the fee-sharing model to be economically viable. Without a lock, there's no premium yield to share.

What the lock means in practice:

• Day 0: you deposit. Your funds are in. Earnings begin accruing (with T+1 settlement).
• Days 1–4: you cannot withdraw. You can still see your balance and accrued earnings.
• Day 4 onward: you can initiate a withdrawal at any time. The withdrawal itself usually completes promptly once requested.

Critically: only deposit money you can confidently leave alone for at least 4 days. Trying to retrieve locked capital during a sudden market move you weren't expecting is the most common source of frustration with this product.

5. The Real Risks

A fee-sharing vault is not a savings account, and pretending otherwise is how depositors get hurt. Three categories of risk to understand:

• Variable yield. Earnings depend on platform activity. There is no minimum guaranteed APY. Quiet markets can produce noticeably lower yields than the recent average.
• Drawdown risk during extreme events. MLP backstops trading activity. In rare, extreme market conditions, the vault can experience temporary drawdowns if the platform's liquidations or insurance fund mechanisms produce a net loss before fee revenue catches up. Over longer time frames the fee stream is designed to more than compensate, but you can have periods where MLP value moves down before recovering.
• Liquidity / lock-up risk. The 4-day window is non-negotiable. If you need the capital sooner — for a margin top-up, an opportunity, an emergency — that capital is not available.

A useful frame: MLP returns reflect the platform's economics over time. In healthy ecosystems, that's a real, attractive yield. In stressed conditions, you're sharing real platform exposure. Both are part of the deal.

6. Depositing into the Vault, Step by Step

A complete first deposit:

1. Make sure you have USDC in your trading account. Vault deposits are USDC-only.
2. Open the Vault page under the Earn section.
3. Read the current APY and recent yield history. This tells you what depositors have been receiving recently — the most honest forward-looking estimate available.
4. Enter the deposit amount. Confirm you're comfortable leaving this amount untouched for at least 4 days.
5. Review and confirm. After confirmation, the deposit is final. Your share of MLP appears in your vault balance, and accrual begins.
6. Monitor — but don't micromanage. Your daily earnings accrue and settle T+1. You don't need to do anything for the deposit to keep earning.

When you're ready to withdraw (after the 4-day window), open the same page and initiate withdrawal. Funds return to your USDC trading balance.

7. When MLP Makes Sense — and When It Doesn't

A good fit if:

• You hold USDC that you weren't planning to deploy in the next 4+ days.
• You're comfortable with variable yield and small drawdown risk in exchange for a higher rate than a flexible-term product.
• You want a passive position that scales with platform activity rather than tracking any specific asset's price.

A poor fit if:

• You actively trade and may need the capital as collateral for opportunistic positions.
• You're not comfortable with any drawdown risk; a flexible Earn product is more conservative.
• You need same-day or next-day liquidity for any reason.

The clean test is: "If I deposit this amount, can I leave it alone for at least 4 days, even if the market does something surprising?" If the answer is anything but a clear yes, deposit a smaller amount or use the flexible Earn product instead.

Returns: Earnings are generated from trading fee distribution and funding rate capture through hedging. Settlement is T+1 daily (subject to real-time display on the page and final system settlement) and calculated on a simple interest basis. Each day's earnings are calculated independently and are not rolled into the following day's principal. The displayed APY reflects actual market performance and is not a guaranteed rate.

The Vault employs active trading strategies, and returns are not guaranteed. You may lose part or all of your deposit, and losses are not reimbursed. Please ensure you fully understand and accept these risks before depositing.

The Vault is completely isolated from trading, and does not affect positions or margin. Transfers are completed instantly and are free of charge.

Deposit & Withdrawal Rules — Supported Asset: MLP accepts USDC only.

8. Quick Recap

The four ideas worth taking with you:

• MLP is the platform's USDC-denominated liquidity vault. Depositors become liquidity partners and share in trading fee revenue.
• Returns come from real platform activity and vary over time. Higher APYs in active markets; lower APYs in quiet periods. There is no fixed guarantee.
• T+1 simple interest means earnings are calculated daily on your principal and credited the following day.
• The 4-day lock-up is non-negotiable and is what makes the premium yield possible. Only deposit capital you can confidently leave alone for that window.

Risk Disclosure

HSF: Hedge Strategy Fund & Ecosystem Stability. HSF is an independent fund that actively manages platform-wide risk. It uses market-making strategies to offset inventory exposure and safeguard liquidity pools, even during extreme market conditions. MLP provides the liquidity, while HSF manages the associated risk. Together, they help maintain platform stability and secure trading operations.

The MLP Vault is a yield product whose returns are linked to platform trading activity and which carries real exposure to market and liquidity risk, including the possibility of drawdowns. Yields are variable and historical APY does not guarantee future returns. Locked deposits cannot be withdrawn during the lock-up window. The mechanics described here reflect current platform parameters and may be updated; always check the official documentation before depositing. Only deposit capital you can afford to lose access to — and afford to lose.