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熊市会放大任何一个可能的利空,这次轮到stETH。 ! v& F9 ^; m& ]1 D1 m( e; W0 {" y
从上周五开始,市场上关于stETH脱钩清算的恐慌情绪持续蔓延,这其中很大一部分源于对stETH的不了解。对此,本文整理出关于stETH的8个常识,以降低大量误解带来的不必要影响。
4 ?% F) T8 {+ \8 w8 U01
! C' x# j+ \; Q$ MstETH不会是下一个UST 6 K, W. y: i" @2 A% _7 l) m+ L! K5 t
stETH是质押在以太坊信标链上的ETH,且完全由信标链上的ETH1:1支持,即1枚stETH=1枚质押中的ETH。 2 Q/ C# m: x: C' r
当以太坊合并完成,且信标链开放提现功能时,用户持有1枚stETH可以兑换1枚ETH,因此任何将它与UST等抵押不足的稳定币的比较都是错误的。 % F1 ? i" u$ y7 a8 _
02 ( Z8 X: X. ~. R9 y# p6 S
stETH不是GBTC
3 d# Q1 J% y) V$ B& o: j1 [stETH是一种ERC20代币,在不断发展的DeFi生态系统中有很高的实用性。
% z. U2 R4 Q9 ]7 D% B* x它自带一个原生的收益率,这是你单独持有ETH所不能获取的。市场里有很多人都愿意为此承担套利风险。 8 |( z* M3 {) @* ~$ \! }0 Q
03
$ Z/ _) p S7 }9 B/ n) l8 HstETH价格不一定与ETH挂钩
& t- J: z q( ?stETH与ETH并没有一个固定的挂钩率,无论二级市场的估值如何,它都会继续被质押。 * M4 ^/ s& _) D, p* f* T
现在能在二级市场上将stETH换成ETH只是为了方便,但同时你也会得到市场对它的估价。
$ w- O% \5 b+ a04 : j( [2 e) e% ^, d+ Q% b
stETH存在套利机会
! L5 l* X# Y7 c8 ~! v一般来说,只要存款没有上限,stETH就不会以高于1ETH的价格交易。 8 `; ^: C8 E+ f) v
因为其中存在套利:
4 _% j6 |2 O0 d8 y如果1stETH=1.05ETH,那么我可以将1ETH存入Lido,得到1stETH,在二级市场以1.05ETH的价格出售,获利0.05ETH,这种方式也会推低stETH的价格。 , z; E/ e* }! g% t/ W8 L7 w
当stETH的赎回开放后,市场有一个奏效的套利方式: . e# p# J. N8 `; E3 T4 C
如果stETH以0.95ETH交易,那么我可以用0.95ETH买入1stETH,然后将其赎回1ETH,获得0.05ETH的利润,这种方式会推高stETH的价格。 9 r! }! `7 G; `4 U1 z& B
05
1 k3 n/ P( ~7 {1 U即使合并,赎回仍要等6-12个月
& S4 d7 K9 r8 V/ @需要注意的是,以太坊合并之后,需要等待状态转换的分叉,这可能需要6-12个月,此时的stETH仍然无法从信标链中赎回ETH。赎回开放后,信标链上还有一个赎回队列,一次可以取消质押的ETH数量是有限制的。 $ H2 U2 h; M+ _8 S" V: }
06
! S3 v8 `. G6 Z: P影响stETH价格的四大因素
) K& y+ v4 K. L% j有多种原因使stETH暂时高于/低于其抵押品价值,其中包括但不限于:
9 u( s% @+ c- E) F& ^% R% s流动性溢价风险 Lido协议风险 信标链推迟风险 杠杆玩家清算风险
% \5 O- b T7 j07 * E0 \# W& x, D
引发stETH清算的原因
" W- Y$ V5 p3 K% \0 i( Y1 ^' m杠杆清算风险是当前引发恐慌的最大原因。
9 a$ _, s; a9 ^. N前面提过,stETH是一个ERC20代币,可以在DeFi生态系统中用作抵押品,人们将stETH作为抵押品存入Aave,借入ETH,存入Lido以获取stETH,然后再重复这一过程。 - ]! _4 J' j( l" N5 r
因此,如果人们继续在二级市场上卖出stETH,这些杠杆头寸可能会被清算,从而导致更大的清算级联。目前较大的做市商/操纵者已经退出,但仍有一些留在这里。 1 W* `( B5 ] ^

$ ^. {0 O0 k2 ACelsius可能会也可能不会遇到流动性问题,但他们持有大量的stETH被用作借入稳定币的抵押品。如果出售,这肯定会导致stETH的二级市场价格下降。
T4 b# K% j8 }& Z所有这一切的另一面是,无论二级市场如何评价stETH,stETH仍然被信标链上的ETH以1:1的比例支持。
, @* f0 Y: P- C. u# N/ Y根据您的时间偏好和风险承受能力,在低价时入手stETH会提高一定的收益水平。 2 q" w* m" r$ k
例如,如果1stETH的交易价格为0.70ETH(也就是30%的折扣),并且以太坊抵押收益率保持4%的APR。在以太坊成功合并且开放赎回功能的这两年里,你将获得38%的APR,而不是普通质押者8%的收益率(以太坊质押不会自动产生复利)。 # \1 ` U r5 ]! p8 n; i
08
7 E5 {9 ?5 f8 b3-5%的负溢价是正常的
5 `* s7 W2 _0 p& R/ _3 U那么,是否值得为了收益率而去冒Lido漏洞和流动性不足的风险?
2 K+ q5 Q: p! W- G) a5 r; [不是每个人都能接受,但某些套利者一定会做。虽然清算级联很惨,stETH的二级市场价格暂时不会是1:1ETH,但这并不会导致死亡螺旋。 2 E; ~" L! W' p; D1 [& X& d# ~, r
我认为,等这波恐慌过去后,stETH可能仍会以低于抵押品价值的价格交易,可能是3-5%的负溢价,这在很大程度上取决于市场情绪。但无论如何,信标链将继续,DeFi会继续,Lido也会继续。
, W: j1 k% M& E" N6 x来源:金色财经 |
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