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熊市会放大任何一个可能的利空,这次轮到stETH。
8 l& M/ O: l% C4 o" g$ 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。 # }( K0 X" b2 d; E" {( R& L
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6 f( ?% u" b% u- W! ~6 `0 C( m$ GstETH不会是下一个UST
! d8 i+ D) Z1 X. ^4 E5 q8 ^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。
/ S" A: E. n# o }" L. e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。
# o) \1 r6 S; }2 V8 L02
! f, j& S* t3 _stETH不是GBTC
+ Z0 w) c8 M: r9 H: m. C, X wstETH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。
& R1 h) H, d5 g2 l i% u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。
' S b' d/ Z- `' m03
+ h* J+ K- l% a' c2 K. _7 ?* V vstETH价格不一定与ETH挂钩
) c3 R: Q: r+ N1 k& S% Y9 KstETH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。
8 F* Y, g) @% 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。
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stETH存在套利机会 " R6 k n: w3 F# x
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。
4 x8 M& v6 \" s4 [' D; M因为其中存在套利: k) s) B l) I( D. A
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。 6 v5 G5 L2 e+ [- q$ m% U0 R
当stETH的赎回开放后,市场有一个奏效的套利方式:
9 E) _ ~" c& n7 K" ^ F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。 + k8 K" i3 d( l
05
% w. P. I9 \) Q即使合并,赎回仍要等6-12个月 * S' i& z) e$ @, i6 W5 P; 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。
0 t! r( n! P/ S$ G06 . Q. h' @, x" t- z
影响stETH价格的四大因素
, a( n, P, ^% I+ k! x, r+ F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 v9 w# {) y) F* ^! Y* p5 u
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 * f" W; P! x: ]" j! }8 V8 o
07
" Y7 i# a: j3 S' T引发stETH清算的原因
6 ]8 y4 E& m; D: p杠杆清算风险是当前引发恐慌的最大原因。
* v- m5 h3 O8 C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。
t$ B K) K0 N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。
. d7 f/ |7 I8 i% b# n W" K
8 f8 m4 j+ [$ i9 H1 |; MCelsius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。 ( y: `- D& `0 C- D! M
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。
$ G! H) @( D' n3 Y% |/ r3 K4 ^( _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。 $ i5 g7 @3 E1 ` F
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)。
% H" ]5 O4 g3 X7 P7 k08 $ C9 C2 |8 F$ o' D$ C. J, F
3-5%的负溢价是正常的 8 D3 P1 I6 Y% g( p2 ~
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? * J& N$ a! N% u
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。
# r" I' I- H: n7 ^/ G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。
* H5 L+ t) `9 U* m来源:金色财经 |
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