What is PT-USDai?
PT-USDai-19FEB2026 is a Principal Token for USDai on Arbitrum, redeemable 1:1 for the underlying at maturity on February 19, 2026.
Understanding USDai vs sUSDai
This PT is for the non-staked USDai, distinct from Staked USDai (sUSDai):
- USDai: Base stablecoin
- sUSDai: Staked version that earns yield
PT-USDai allows fixed yield exposure even on non-yield-bearing tokens through Pendle's tokenization.
How to Earn Fixed Yield
- Purchase PT: Buy at current market price (discount to underlying)
- Hold to Maturity: Wait until February 19, 2026
- Redeem: Exchange each PT for 1 USDai
- Profit: Discount becomes your fixed return
Arbitrum Advantages
This PT operates on Arbitrum:
- Gas Savings: Much lower transaction costs than mainnet
- Speed: Fast confirmations
- Access: Same Pendle functionality at lower cost
- Security: Ethereum L1 security via rollup
Maturity: February 19, 2026
Redemption at maturity:
- Each PT-USDai = 1 USDai
- Process via Pendle interface
- Option to swap to other assets
Risks
- Layer 2 Risk: Arbitrum infrastructure dependencies
- Underlying Risk: USDai stability mechanisms
- Smart Contract Risk: Multiple protocol layers
- Liquidity Risk: Potentially lower than mainnet products
- Fixed Rate Lock: Cannot benefit from yield increases