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熊市会放大任何一个可能的利空,这次轮到stETH。
' c2 t, h% M, h" ~7 R* j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。
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stETH不会是下一个UST
" s* i0 A; N* c' y5 `: UstETH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。
) [0 ^/ w# ~. e( }% P( I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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$ i* U; y- Q+ bstETH不是GBTC
" p' b( g4 k4 R5 P8 `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 Z+ N$ J( U7 |& | w! J
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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/ L7 C" B3 l* M0 V2 YstETH价格不一定与ETH挂钩 , Z$ b% [4 [$ G3 J2 x% p/ v8 r! e# I
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。
- H+ l- U0 f! D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。 & x- z/ o2 l4 r9 V4 \7 A/ `
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stETH存在套利机会 " h; q+ H- ^" m2 o* c
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。
( U* d/ }4 K4 _# {' J% O因为其中存在套利: 6 k, Q Y1 }* k6 C! ^% Q8 ~/ O L. T
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。
0 b6 ^2 `" s6 Y9 j, w4 O) g1 ]当stETH的赎回开放后,市场有一个奏效的套利方式: " v- u3 G' }0 x
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。 : E. d! S8 k5 q
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即使合并,赎回仍要等6-12个月
- @% H5 z7 a K' O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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* U# U; K$ W# |2 k影响stETH价格的四大因素
+ s1 z7 p2 z, A d. A1 G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: 1 [' J: D9 _, ^' P" A
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 # ?; h$ {; K1 n9 A- `% Y# f0 v8 R
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引发stETH清算的原因
/ }+ u$ \6 V+ x9 l杠杆清算风险是当前引发恐慌的最大原因。 5 I$ g. n( M& S# H! a6 Z3 S
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。
; J9 S% I0 `) m$ I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。 3 [# ]: z# `. K* y: g) Q
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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。 l$ I/ j7 \5 R# n
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。
) I+ r! f3 g& A0 J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。 * e/ v" S y5 Z6 J1 @
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 , h1 H8 } y# t- s
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 d# F' O" T9 o5 f4 V/ [3 b
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。 6 p8 Y! X) D/ ~% U& ^1 e! T
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。
/ D) l% j' ]" J2 r" w$ f% \来源:金色财经 |
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