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熊市会放大任何一个可能的利空,这次轮到stETH。 / n1 T; b& \. j
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。 ( f# e1 O9 h: A5 r- s9 d
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stETH不会是下一个UST - H1 H9 W- ?- ]( H4 R- m
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。 % L" r0 |) A: u( x" Q5 Q3 H
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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stETH不是GBTC 3 I. J' Y. J6 H) }7 h$ ~2 |. X7 a" M
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。 + C5 `$ F* F [1 r+ ^: |& P
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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; W) [7 H. y" `! g: SstETH价格不一定与ETH挂钩
/ S0 w7 `3 Y( ystETH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。
, {! M3 j; Y/ n: I) f 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。 H0 G) J: F4 n* [- h
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stETH存在套利机会
5 \' O# P8 t V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。 : F& C2 v- ]- ]: b1 K9 r
因为其中存在套利:
. X1 w, h5 j1 ]3 j0 n7 K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。 _* @0 q( F. Q; g
当stETH的赎回开放后,市场有一个奏效的套利方式: , P$ F- n+ O9 Q
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。
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. C% }) p+ s9 j" Z( F @4 M: ~即使合并,赎回仍要等6-12个月
3 Y! p' v, v4 f8 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。 . H2 C% c1 r6 C$ h5 J
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影响stETH价格的四大因素
' ^( n' ~ D- m! `+ j$ [3 J( 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:
+ D+ V: |( S! C+ V/ C# _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 ; s! ^8 T) ~3 j2 U' Z5 ?
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引发stETH清算的原因
9 y+ F% T6 [9 l) W0 Y( F# C杠杆清算风险是当前引发恐慌的最大原因。 . E. z" A5 |+ E# k' J- U% o: U
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。
; ~/ ]# `, b4 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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$ @2 ^0 O% ]/ f" CCelsius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。 # _: }0 E0 M& ~; i, y- S
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。 * R- ?+ ~9 k- g; L
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。 j+ c% V, L( l8 g
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)。
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3 h# R# x! m& S6 q3-5%的负溢价是正常的
1 K0 g2 [: \4 ~, Z: D% u& S* F+ [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?
) h( n" ~3 C3 W: t; n+ o+ K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。
0 D: s. l7 F2 I8 J$ 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. ?! u+ P/ c6 U- Q4 t来源:金色财经 |
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