Ethena announced a dynamic sUSDe unstaking cooldown, dropping to as little as 1 day. This is bigger than it looks.@Ethena Unwinding a looped sUSDe position isn't a single action. Each layer of leverage requires unstaking sUSDe back to USDe to repay debt, and under the old mechanism, each unstake meant a 7-day wait. A multi-layer loop translated to a multi-week exit, and during that window, the risks stack up in ways that compound each other. USDe's peg stability relies on delta hedging across derivatives venues — under acute market stress, depeg risk rises precisely when you need to exit, eroding collateral value while your debt stays fixed. At the same time, sUSDe's native yield is funded by perpetual funding rates, which can turn negative in a risk-off environment, meaning you're paying borrowing costs on one side while your yield on the other collapses. USDC/USDT borrow rates on AAVE can spike sharply during periods of market stress, further compressing or outright reversing the strategy's net return. And if you try to bypass the cooldown entirely by selling sUSDe on the secondary market, you'll find that liquidity thins out exactly when everyone else is trying to do the same thing, leaving you to absorb significant slippage at prices well below NAV. The cruelest part of the old mechanism was that all four of these dynamics tend to arrive together. At some point, the loop strategy stopped making sense. Not because the yield wasn't there, but because the exit cost made deeper loops too expensive to justify.