Cryptocurrency holders often face the challenge of what to do with idle assets. Instead of letting digital funds sit untouched, platforms like OKX offer flexible earning opportunities. One such service is OKX Flexible Simple Earn (formerly known as "Yu Bibao"), a crypto yield product that allows users to lend their assets and earn hourly interest. With recent upgrades offering up to 10% APY in platform rewards, this feature has become increasingly attractive for passive income seekers.
This guide dives into how OKX Flexible Simple Earn works, its benefits, interest calculation, step-by-step usage, and key considerations — all while optimizing for clarity, SEO, and user engagement.
How Does OKX Flexible Simple Earn Work?
OKX Flexible Simple Earn is a non-locked, interest-bearing service that enables users to lend their crypto holdings to other OKX users — primarily those engaging in leveraged trading. In return, lenders earn interest on an hourly basis.
Unlike fixed-term staking or savings products, this service supports 24/7 instant subscription and redemption, making it ideal for users who want liquidity alongside yield generation.
The core mechanism operates through an hourly bidding (auction) system:
- You set the amount and minimum annualized lending rate you're willing to accept.
- Every full hour, the system matches your offer against current borrowing demand.
- If your rate aligns with or falls below the market-clearing rate, your assets are lent out.
- You earn interest for each successful lending hour.
This dynamic ensures competitive returns while maintaining flexibility.
👉 Discover how you can start earning hourly interest today.
Supported Cryptocurrencies & Key Features
OKX Flexible Simple Earn supports over 140 cryptocurrencies, including major assets such as:
- USDT
- USDC
- BTC
- ETH
- OKB
- SHIB
Core Features at a Glance:
- Flexible access: Subscribe or redeem anytime, with immediate settlement.
- User-defined rates: Choose your minimum acceptable annualized interest (from 1% to 365%).
- Hourly compounding potential: Interest paid every hour when matched.
- Risk reserve deduction: 15% of earned interest goes to a risk buffer; 85% is distributed to lenders.
Understanding the Hourly Bidding Mechanism
The lending process runs on an automated hourly auction model based on supply and demand dynamics.
Step-by-Step Lending Flow:
- Subscription: Deposit eligible crypto into the Flexible Simple Earn pool.
- Rate Setting: Specify your desired minimum annualized return.
- Hourly Auction: At each full hour, OKX ranks all pending offers from lowest to highest rate.
- Matching: The system determines the clearing rate — the highest accepted bid needed to fulfill borrowing demand.
- Disbursement: Lenders whose rates are at or below the clearing rate get matched and earn interest.
Outcomes Based on Your Rate:
| Your Minimum Rate vs. Market Rate | Result |
|---|---|
| Lower than market | Full match — earn full hourly interest |
| Equal to market | Partial or full match possible |
| Higher than market | No match — no interest this round |
This auction design rewards users who price competitively without sacrificing control.
How Is Interest Calculated?
Interest is calculated based on actual lending hours and distributed shortly after each successful match.
Formula:
Hourly Interest = Principal × (Current Annualized Rate / 365 / 24) × 85%Note: The 15% deduction contributes to a risk reserve fund, protecting against defaults or extreme volatility.
Example:
If you lend 10,000 USDT at a current annualized rate of 3%, your hourly earnings would be:
10,000 × (0.03 / 365 / 24) × 0.85 ≈ 0.0291 USDT per hourOver 24 hours: ~0.698 USDT
Even small balances can generate meaningful returns over time, especially during high-demand market conditions.
Up to 10% APY: Exclusive Platform Rewards (2025)
To boost adoption, OKX now offers limited-time platform rewards for select currencies. These act as guaranteed minimum yields within specified limits.
Eligible Assets & Reward Tiers:
- USDT: Up to 1,000 units at 10% APY
- USDC: Up to 1,000 units at 10% APY
- BTC: Up to 0.03 BTC at 5% APY
- ETH: Up to 0.4 ETH at 5% APY
- OKB: Up to 100 OKB at 5% APY
- SHIB: Up to 50 million SHIB at 5% APY
⚠️ Rewards apply only up to the stated thresholds. Amounts exceeding these limits revert to standard auction-based lending.
These incentives effectively turn part of your holdings into high-yield savings, especially valuable for stablecoins like USDT and USDC.
👉 Take advantage of boosted yields before quotas fill up.
How to Subscribe to Flexible Simple Earn
Getting started is simple and takes just minutes.
Step 1: Access Simple Earn
Open the OKX app → Tap Finance → Select Simple Earn.
Step 2: Choose Your Currency
Browse available options under the Flexible tab and select your preferred asset (e.g., USDT, BTC).
Step 3: Set Terms
Enter:
- The amount you wish to lend
- Your minimum acceptable annualized rate (1%–365%)
Confirm by tapping Subscribe and agreeing to the terms.
Once submitted, your offer enters the next hourly auction cycle.
How to Redeem Your Funds
Redemption is instant and fee-free.
Step 1: Go to Finance
In the OKX app, navigate to Finance → Simple Earn.
Step 2: Locate Your Position
Find the currency you subscribed to (e.g., USDT) and tap on it.
Step 3: Initiate Redemption
Tap Redeem, enter the amount, and confirm. Funds arrive in your account immediately.
There’s no waiting period — perfect for managing unexpected liquidity needs.
Advanced Tips & Features
Monitor Historical Rates
Before setting your rate, check the Historical Annualized Rate chart in the app. This visual tool shows trends and spikes, helping you make informed decisions — especially useful during volatile markets or major price movements.
Enable Auto-Earn
For hands-off management, turn on Auto-Earn:
- When a supported asset sits idle in your account for over 6 hours (no deposits, trades, or withdrawals), the system automatically subscribes it to Flexible Simple Earn.
- Great for maximizing yield without constant monitoring.
Frequently Asked Questions (FAQ)
Is there a fee for subscribing or redeeming?
No. OKX does not charge any fees for subscribing to or redeeming from Flexible Simple Earn.
When do I start earning interest?
You begin earning interest from the next full hour after subscription, provided your rate matches the auction outcome.
Can I lose money using Flexible Simple Earn?
While OKX employs safeguards like a risk reserve fund, crypto lending carries inherent risks — including counterparty risk and platform security. However, under normal conditions and within reward quotas, returns are predictable and safe.
Does Auto-Earn work with all coins?
Auto-Earn supports major currencies like USDT, BTC, and ETH. Check your app settings for eligibility.
What happens if my rate doesn’t match?
If your minimum rate exceeds the market-clearing rate, no lending occurs that hour — but you can retry in the next cycle with no penalties.
Are platform rewards permanent?
No. The 10% and 5% APY bonuses are promotional and subject to change or removal based on market conditions or quota availability.
Final Thoughts
OKX Flexible Simple Earn bridges the gap between liquidity and profitability, offering a smart way to utilize idle crypto assets. With hourly interest payouts, customizable lending parameters, and now boosted platform rewards up to 10% APY, it stands out among flexible earning products in the crypto space.
Whether you're holding stablecoins for trading or long-term investments in BTC and ETH, enabling Flexible Simple Earn ensures your assets work for you — even when markets are quiet.
👉 Start earning hourly returns on your crypto now — no commitment required.