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| 熊市会放大任何一个可能的利空,这次轮到stETH。/ M/ [* Y, }6 Y  O; U! z7 S) s 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。( G5 m( ~7 h" h8 z$ C. k( M" h 01- a# B5 |- W# C& P, V/ \ stETH不会是下一个UST/ M- O# T/ P8 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。8 @  G) M; S$ F 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。. K4 T* I  Z6 Q+ h2 ` 02* w8 Z8 }5 C6 ] stETH不是GBTC$ l/ J6 k( u# l/ a' ]  x& V5 W 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。5 `8 ~; S4 q1 Z9 a! ^/ z1 \% X! P( L 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。6 \! n5 K2 k1 o 03+ a% F2 q' l7 C# ?8 Q6 q3 O stETH价格不一定与ETH挂钩9 s4 I  x, }: S# J# K7 Z% v% B 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。9 T& ?2 ~& y$ a4 H! B 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。/ T+ I/ Q$ }) f: _. ?! o, V 04# A: I$ ?" e: S. p. s; m% b stETH存在套利机会# d& e) R0 @+ p, n 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。+ f! \0 t  B* H- Y 因为其中存在套利:; K0 x7 v/ K  i5 M 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。1 r/ k; R/ {: b- e1 `- y 当stETH的赎回开放后,市场有一个奏效的套利方式:. m( N+ _: x( o 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 x1 y- ^9 s, {" r" A; o$ c9 p" L; ?- I 05- t9 q1 ]  ~: u" h% d: f, C1 _: A 即使合并,赎回仍要等6-12个月: @0 f" N# G4 v% C6 o9 P& N2 [ 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。8 z! V8 I' r8 L" i9 v' j# L 06" W- M5 U/ ^! f& N3 G+ Z) c 影响stETH价格的四大因素0 O8 J' V* Y7 {1 u6 Q 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:$ ^. d8 y8 d' l7 Z. X6 i & K) @; [; P2 J! b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
 07/ b% X9 ?0 t' J/ h9 {6 Q' | 引发stETH清算的原因# Q3 \) N  O) W) E 杠杆清算风险是当前引发恐慌的最大原因。) }( U5 D/ h. {" \ 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。* k: _/ A) }  K* p( ~ 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。& R) ?; D, u2 R9 U + G# d, D6 [4 v+ R1 C
 Celsius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。* O# P/ F4 o* P) w9 k/ K 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。" J7 j8 D+ k: o0 t" u1 d- ^ 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。7 G, \! D8 \* A6 c' Q  Y9 W! j 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)。% u  d. @. B" u! w! W5 {6 a  M# i 08' Z1 i; b; O3 l- F+ W: ^1 G 3-5%的负溢价是正常的, s' i; A. M4 p 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?7 Z4 M1 E& @8 v# N( d2 [ 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。8 ^8 B( w- U; _' a: }1 e6 _$ X: A 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。5 y( @" @! V2 F. D- E; Y 来源:金色财经 | 
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