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熊市会放大任何一个可能的利空,这次轮到stETH。 ! ^1 \2 b7 w, M6 v
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。 6 V: q; C) c% F, \" k, l! S! k9 ^5 t
01
1 ]: {1 y' g8 m, ostETH不会是下一个UST 3 h( {) @0 S8 Q7 ~# F5 |0 Q
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。 0 f: L) B* B2 {7 j6 K9 Y
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。
& T# X* m7 f4 s9 T4 r7 a02
- a1 j/ V7 S$ RstETH不是GBTC
& ]6 W ^0 [$ C0 t' H+ L' n5 G/ S% }. hstETH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。 ! i" N& X6 h4 R. [! F/ H: \( 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。 ( b, L6 V4 }- C |* _
03
8 N" }' w8 ?* L' T1 l% p* estETH价格不一定与ETH挂钩 1 v+ ^8 L1 k" t
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。 4 J' b8 C L! w& i
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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/ ]8 z) i; P$ [, UstETH存在套利机会 , x* z2 F" L5 Y7 }# T! a. B* z
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。
0 z; S* y1 A" R5 \4 e因为其中存在套利: & s' B6 M4 V3 Q5 Y; |9 q
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。
% n2 L7 f/ O6 ~* q当stETH的赎回开放后,市场有一个奏效的套利方式:
% \! C. w- @4 R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。 2 N/ s4 _) c, n( x, ?2 Q& n2 r6 c7 D
05
- G3 w4 M; c H4 b即使合并,赎回仍要等6-12个月
* v+ Z1 L' p, i8 X& s0 E; O& J1 f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。
9 a6 q f; [! g06
. @5 L6 E0 U* {! f& m% s& R; @3 q影响stETH价格的四大因素 ! D) w+ d3 u. e' R* p
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:
l. l% f: a6 }8 J/ s# y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
2 t3 k z8 d, Z9 ~% h E' v# [07 % L5 R( x0 {5 ~ q( y
引发stETH清算的原因
2 ]( H! A, u1 p% C1 A* h/ c" s杠杆清算风险是当前引发恐慌的最大原因。 2 |5 ~3 L+ ?; X# [- x
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。 2 l B1 f8 U- e) T/ f3 s- H3 L
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。 - L' t* I% A; s* E0 U' a+ O$ ~

4 W: w3 P; G$ r# P" hCelsius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。 : V: O$ f0 j% g n5 B4 E
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。 ' u# A u9 ~+ T& z; ?7 d% x
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。
% r( @+ u U! Q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)。 & s+ g3 i) b) p! V3 k5 t
08 ! X6 J& l: M; C1 n2 P2 k
3-5%的负溢价是正常的 - D \, m1 l: L1 @/ U; t
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? # ~0 |3 O/ O3 v* K- e q
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。
, y$ \$ R, E& P8 I; c9 j. 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。
' e, \- C5 F3 c% N来源:金色财经 |
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