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熊市会放大任何一个可能的利空,这次轮到stETH。
" \+ D* s. ~) q0 b$ ?' l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。
" j6 v8 h- i1 }/ V. F9 t01 " V& ]) y7 T/ e# B* l
stETH不会是下一个UST ; H9 i$ C8 ?9 L6 s X/ p
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。 ' g* d, d& ^: }7 L
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
; }+ ]! A, i0 p- e9 lstETH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。 # ^% D0 e% M* R+ o% I
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。 9 |, g- U/ S, a) X3 U. G
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stETH价格不一定与ETH挂钩 0 B! m# z; P) t$ B' ~+ K P
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。 _! }. J# f L8 l9 S
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 8 ~* H8 v3 P I- D" 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。
4 V. }3 t- ]9 Z1 V# S2 A因为其中存在套利: ! A1 @' P s0 ^6 w5 c% y# d6 B0 ?% S
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。 6 y! ]! B% O/ s) y" Q+ ~& k9 L
当stETH的赎回开放后,市场有一个奏效的套利方式: 0 D: V) F u( Z2 y- G5 l
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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即使合并,赎回仍要等6-12个月 5 Y" i& X* }! L2 O% u- b/ 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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2 s) ~4 B7 a8 m. x% @1 U影响stETH价格的四大因素 ( f9 E' t6 @5 V! A
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:
8 r/ e; v( U i2 j4 @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 ! _7 e! P$ N, p c
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引发stETH清算的原因 0 X- [7 X+ X5 o1 H( h
杠杆清算风险是当前引发恐慌的最大原因。
- y+ s! m- s/ x, {! c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。 . C9 g: h) b- G% y0 |) [ @( W
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。 ; t5 p6 y# t% |& j: r

' m% y' g+ g! S3 VCelsius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。 ! `/ r, N- E# Q- j
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。 , t r# b, c' u" n0 Y2 {$ E
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。
' \2 n2 O" T9 {7 ^% A9 D& b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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/ _& v4 K" d0 [$ f3-5%的负溢价是正常的
7 y4 k+ {4 ?( T Q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? * A. d. l1 T) f6 G( A
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。 " p6 e8 c; }2 _ @! l
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。
% r/ R' t) \2 ^% h/ i9 G来源:金色财经 |
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