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熊市会放大任何一个可能的利空,这次轮到stETH。
# ^; |2 h6 Z6 H4 n, t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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stETH不会是下一个UST . m+ V F, H; A' e+ J2 \
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。
6 S8 @: g( B0 h+ I, x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。 `5 h2 p0 F6 |2 j+ m
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stETH不是GBTC
$ [; M& j- z6 n5 }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。 7 F4 k1 H: I* W1 I8 |
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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' A! z; ?8 d5 h' c+ ^ Q1 Y1 Q6 P( wstETH价格不一定与ETH挂钩
" G# d4 F$ g1 u2 o- }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。 2 m6 p3 C0 N. O1 P' j5 t5 M
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 ' M4 o- [8 F5 t' z* i( H W2 F
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 M7 h! e6 P r; o7 a/ P因为其中存在套利: 0 _9 s3 t. [8 }- Z5 u" ]
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。 5 k+ L& _2 E2 U& K* y% c
当stETH的赎回开放后,市场有一个奏效的套利方式: + e; n3 o/ G1 ]# }7 d: J! Q7 p4 r4 z
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。 # p- j' e" }; h% N/ O- q8 {. S
05
4 S8 N# Q' d4 s即使合并,赎回仍要等6-12个月 / {+ v1 P, K) r
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。 / Q' z d. }* ` ]( r: \0 `: E9 @
06
+ Y' J- E5 P9 b6 A8 v影响stETH价格的四大因素 J4 Q4 P! u0 Y' K s1 k
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: 4 u% _" o! v- J! n4 c4 @1 k5 B
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* O( `9 f4 _% m
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引发stETH清算的原因
# W' a$ b( p7 o( V* H- B# E8 n杠杆清算风险是当前引发恐慌的最大原因。 " [0 ~- d3 [; e# i M9 o8 @0 r. z
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 ], s9 ]& u2 K/ T- a- J5 j m. J
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。
5 a* x4 J1 c0 u7 v& `# O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。
/ `. w0 z- [$ a8 h+ ~: `2 T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。
' U0 j. s2 Q/ j. n$ T- _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)。 ( B5 s4 f( K4 w
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3-5%的负溢价是正常的 ! Q/ ^0 [, a) z4 E
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?
$ V* t% y8 a: G2 z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。 , l" z$ k( y+ X* b
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。
! ~. |# s; o, s/ P+ f# }* K来源:金色财经 |
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