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熊市会放大任何一个可能的利空,这次轮到stETH。 # ^4 d% `2 Q& E4 v/ I& ]2 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。 * V& M3 h" n D! \$ Z" U9 B0 J
01 8 v* n& F3 Z& w4 H4 b: t5 ~
stETH不会是下一个UST 0 @ Y" p, }' T5 ?
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。 % a. q5 M* H, u5 K( `" Z' \. 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。 3 U* g# r! I0 L6 H. _! j
02
2 M/ ]9 a5 Y. w& a4 g; t: dstETH不是GBTC 3 l, i! [. q8 Y3 }
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。
' `$ H/ l/ o: z& l/ ~& C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。
+ c6 F" `! C: X' g6 e% r* H03
* o# E2 H( Y. u, A6 X+ Y# U+ CstETH价格不一定与ETH挂钩 & i% `0 B8 L% `! g* K, A
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。 0 e( ?1 K, k) U' i3 C/ 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。 ) Y! U1 f5 R" F+ i+ S0 C: I
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stETH存在套利机会
5 }% [: m7 Q/ ^6 N$ t9 y) ~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。 ( c% ]' w% p7 a
因为其中存在套利: 7 i% v7 e$ j' Y5 d
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。
+ C2 T! x3 }$ O& A* k* g/ @当stETH的赎回开放后,市场有一个奏效的套利方式: ! Y5 z9 d3 J- b: N" a" 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。
7 W. C( P5 Z- I0 _ o# K# K05 2 {6 y7 h/ K6 C% Y) d3 D
即使合并,赎回仍要等6-12个月
* T6 t- \0 f$ y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。 4 g2 U8 I! ~' W; u2 i* v
06
, ^ W+ j& R! O2 d影响stETH价格的四大因素 2 q. O4 A' w/ ^8 {2 |
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:
( S3 z0 N# V+ T1 \0 p% g4 p& A; 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
8 A/ O& B8 F6 a7 \2 A, P, l07
- o5 R* R4 x# W0 o: x Y引发stETH清算的原因
% T% w$ H* F$ u杠杆清算风险是当前引发恐慌的最大原因。
m5 J2 W. y3 b# `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。 3 d% ]0 w6 w1 H* v
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。
- S; M& k8 p* N8 C5 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。
9 e) T1 b, |% _9 T8 ]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。 6 M6 ?" W- w, c6 o: e" A
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)。 0 H) W3 O* @( b3 ]% p& Y7 C
08
$ z& S8 B7 G( ]8 N$ V3-5%的负溢价是正常的 6 Q5 f& X7 ~& Q7 {
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?
) m; s/ B* G" {' 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。
% C6 k# k" j+ r; t6 e2 e7 _2 j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) O- V4 M! e来源:金色财经 |
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