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熊市会放大任何一个可能的利空,这次轮到stETH。 ( }- E0 a7 c# m2 r
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。 - O! v! y* T- |* `
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stETH不会是下一个UST
/ }3 w2 @2 H! f- R \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。 3 F( a9 b6 Q) D1 `- U
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。
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( H) @: F: J" N, E9 ~stETH不是GBTC
% H. o7 W% ?0 T6 l6 _( a2 ]# w8 @. ^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。 1 G! {5 W: L' L2 \# v
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。
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stETH价格不一定与ETH挂钩
+ u+ Y' w0 j# i0 j1 `9 I+ O$ g9 |% o6 zstETH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。
/ M9 V. [: M4 ^8 [3 m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。
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stETH存在套利机会 ; y$ O3 e% A6 o( b9 a
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。 % M% b' h/ B( U) V2 C$ Y. N0 ^# v0 J- \
因为其中存在套利: , c: T/ w# P. s* z* Q P# x# c+ ~
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。 ' }4 F) a7 _& R1 S* {
当stETH的赎回开放后,市场有一个奏效的套利方式: ) _/ g0 \- o0 @# t \4 t y
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。
: D* t5 j. j4 o3 D( _05
' y2 p9 a1 M/ I( p8 r7 m即使合并,赎回仍要等6-12个月 ( k9 M$ m% a# H
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。
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影响stETH价格的四大因素 ! J1 ]1 @5 j# n. X7 d; ^5 |4 l
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:
8 q4 r" t& k- l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 w. r4 |, ^2 U* m$ a1 o2 L
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引发stETH清算的原因
- l* p6 A0 M! }7 x$ f杠杆清算风险是当前引发恐慌的最大原因。 1 S# Z5 U+ p' a( @
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。
9 R3 ^2 |; I9 S8 p/ Z c. E3 G8 }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。 2 t1 ^# N* S( A
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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。 . Z- O- r& w2 E R9 H1 c/ J- h
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。 ) ~0 z6 t9 g6 l
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。 & Q2 j* E% g- V5 e
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)。
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3-5%的负溢价是正常的
/ t( Z; B; } |6 r. B7 k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?
) {$ ]" N7 d) _" k! W1 _8 P/ f7 }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。
' |4 |+ U b. @2 m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。
9 t U2 n* v$ N. I& o来源:金色财经 |
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