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熊市会放大任何一个可能的利空,这次轮到stETH。
/ y: {+ ]3 M, f, P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。 ' O2 i6 s* z* D% V. ]
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stETH不会是下一个UST
& ]) l0 E" c: b0 S' o9 Y( E# rstETH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。 6 L$ Q3 [7 \5 i& p
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。
: j. Z, }* {/ B/ E: ^) \02
" ^, b2 f; n+ [# K' p+ X ~stETH不是GBTC
$ N- T; Z# x& u2 {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。 ; q8 |6 `2 _8 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。 1 a0 H' x( M0 w' [1 @
03
8 A' u" ^0 q2 `9 H* O. ^stETH价格不一定与ETH挂钩
; z* X& m0 `" Q W9 ystETH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。
, \* s- P& j) M& U! }! Q+ f: n) ?9 g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。 l/ F7 R' g4 C7 e M% U# p
04 2 J! b/ ~9 ?5 A9 A6 A8 v
stETH存在套利机会 - r7 @5 J# h: ^* O) d5 A4 y8 k
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。
+ O/ l6 D$ j4 n+ P因为其中存在套利:
4 H" O' R" w; M/ A6 g8 _- g( E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。
' ]# b8 [/ ?5 C. Z4 w; d) ]当stETH的赎回开放后,市场有一个奏效的套利方式: , `) i0 X- Z1 Z
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。 8 e! v& p1 N" G5 S4 v/ v
05
3 d2 `2 J0 P) c, Y: @' o( |即使合并,赎回仍要等6-12个月
_$ P8 S7 s7 @$ E. V' J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。 " Q2 v5 O( r* s2 N
06
3 J: f4 b- c) D6 Y影响stETH价格的四大因素 2 V, W* d8 d0 o/ 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: 3 e. }( S3 w- e3 ]3 ^- x h
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 / ^3 i9 @1 m- P: h( ~3 C
07
( b) t$ d4 {" s, }4 z引发stETH清算的原因
$ j9 c4 g5 n$ n2 T杠杆清算风险是当前引发恐慌的最大原因。
* J4 o1 G! U. Z% Z8 A: N5 t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。 : V: ^: s2 |2 y1 H6 U5 T
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。 , Z- L/ ^+ ^% Y" k

# _$ v- M5 H4 x& d& lCelsius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。 0 _' {2 D4 J4 |; B; Q- g$ v
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。 9 o8 {8 w# g$ e' h/ m
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。
N; }. y. {4 X p1 Y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)。
5 w5 a! w$ c+ d( U/ E08
' {0 q" @9 ?, S; O7 P2 c! ~3-5%的负溢价是正常的
2 W0 V+ _( K5 \: N& D+ @9 f" i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?
- v# P6 |* v/ l& E3 x% o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。 . K2 t; @4 O, u* x# s3 D9 h
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。 Q. B) O& ]9 a& i6 S e% H& d- v
来源:金色财经 |
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