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熊市会放大任何一个可能的利空,这次轮到stETH。
! |+ c2 }$ t9 c2 [( X1 h+ 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。 - F" P c5 }% F4 u: X! v% r
01
) M7 ^+ C y$ _: P0 {, xstETH不会是下一个UST 8 Q* _. u& m: Y: E: }0 p
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。
+ Q/ _& y0 G' {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。 3 L! }: X8 J7 V- [1 M0 v
02
/ C5 I9 O9 i: _5 sstETH不是GBTC
6 P0 H7 L2 T" A: U0 H' j. ?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。 ! S: d9 \/ G! v5 F1 m5 ~% b" {! Z% Z. ~
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。 5 B; K- `$ X% a m; T
03 3 h& F* U- B4 G0 l$ F
stETH价格不一定与ETH挂钩
+ }+ N! `8 {. v. c8 A! nstETH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; s2 z' O8 i: x
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。 |. l4 n0 Z7 t+ J% u$ }
04 6 k" Y; q/ w; Y3 g' P* N3 @% ?* g
stETH存在套利机会 % u) z2 p0 X9 E, u- |# R3 R
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。 ) p+ L }% }/ V
因为其中存在套利:
6 m3 E7 k5 x$ Q! ?* E& n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。
! T; @# d+ c( a) w& M当stETH的赎回开放后,市场有一个奏效的套利方式: + H: N) }1 N* T" f* K
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。 v7 I9 g2 \* e' a7 I
05 4 J& m5 K' A6 v& l* f& m
即使合并,赎回仍要等6-12个月
" \& }1 [6 B4 O, m A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。 3 [: \# [* v) k. W% I5 z
06
7 Z% R" t3 h3 m$ k+ t! W* x影响stETH价格的四大因素
# A w9 a2 a. ~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: . D @9 V3 }7 E. h9 Q) X
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 X# t* x& N! [
07 ! }1 K: o& t0 H* N4 e$ ]% `
引发stETH清算的原因
0 @: v& L/ S0 W4 @! J杠杆清算风险是当前引发恐慌的最大原因。 , o% y5 b) w9 w
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。 ! U( g8 c( d, K+ K5 ^4 ~" ^
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。 + c, i6 Y L3 S( h& S6 n# P

3 }7 r* D, j4 f2 ]/ @& Z* i# `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。
! e$ B1 P( s% 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。
. b: y# N7 T2 D. S/ ]: M+ 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。 ' s/ W+ U$ l( x7 V1 }
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)。
4 ?* @2 U8 a' F' `08
4 E5 q! p6 F3 e3-5%的负溢价是正常的 $ h6 }* ^# ~+ R* }7 ^ M4 E5 |. V
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? ' o1 n/ ~2 m9 x2 O7 M
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。
+ N( K: H3 \! t' E5 G: b# B" W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。
& x1 q6 Q0 @ y/ B7 h/ `+ `3 A( ?来源:金色财经 |
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