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熊市会放大任何一个可能的利空,这次轮到stETH。 ! O( } _" a. E4 z" K) K% S
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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w U' g, R* e9 \9 h+ \" W# _1 kstETH不会是下一个UST
1 n+ Z8 @5 p2 u2 wstETH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。
% \# ^1 D% U1 a, \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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1 j. F7 B1 x( T) G* TstETH不是GBTC 1 _9 _9 U0 I. Z, p# M+ k3 w
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。
) K5 N! y4 q/ {4 w9 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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stETH价格不一定与ETH挂钩 ' g* k& G2 Q* s# |2 Z5 y8 R
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。 " |& @, r% K6 p5 \# i+ _) \) m5 y: _
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。
+ R' e, k# @* N8 u/ q: b. c04
) t, \1 f: k: Y5 j- e9 O7 CstETH存在套利机会
3 ]# S7 E+ [; _+ _5 Q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。 b, ~/ \7 {. w* s
因为其中存在套利:
, F. }# Q9 m; I- m$ X7 W% u1 m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。 4 F' q+ X7 G; i3 e! ?! n7 v9 z
当stETH的赎回开放后,市场有一个奏效的套利方式: 9 X: g7 Z7 \' j9 I" }
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。 . N" P1 H! B" B& H' G. ]9 H% P4 }
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即使合并,赎回仍要等6-12个月
- l5 j' o$ y+ T" o: h0 c1 e+ W. N3 Q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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& t% s8 |+ z4 S- Y影响stETH价格的四大因素
7 ]0 j/ J" F W% a( 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:
$ N# T$ |9 \4 d* v4 @: n, H" 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
$ T3 ^; e% m& |7 s5 u" Y0 U' a3 D07 : L5 }& B, `$ A$ i( R: C/ l }
引发stETH清算的原因
) M) P. V4 \; V& R' m+ _, I杠杆清算风险是当前引发恐慌的最大原因。 5 }. _ @ |& ]6 J4 ?& v9 p
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。 - F' Z+ _7 j; ^8 h
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。
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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。
; A' X$ v1 A2 q# u! [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。
' Z+ V3 ?, V9 v9 D, B, B2 Z- [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。 % A f |, l1 ^
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" {0 ?$ @* d
08
9 z7 y2 k8 x5 r) ]/ l3-5%的负溢价是正常的
; y. I! u9 M5 l) a9 a- _3 d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? $ i5 ?' U1 K5 @) K* j7 H4 @
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。
9 R9 R5 K2 g0 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。 $ U, P2 A8 Y5 f
来源:金色财经 |
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