Currently it has a 7 days withdraw lock, in the contract it can be set up to 3 months max.(if i recall correctly, the contract allows to change the withdraw window, so you can get shafted with negative rates for a while)
It's pretty much an on-chain version of what Binance is doing with BFUSDThe product is a short / long eth position while pocketing the yield. A synthetic stable dollar purely based on crypto without the need for real world assets.