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熊市会放大任何一个可能的利空,这次轮到stETH。 3 q! M! B: z; f% l& y# A
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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! h" n1 M7 L4 h0 U. G& cstETH不会是下一个UST " U# {5 ?. v5 a1 O- ? `
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。
& ?( S& _! p$ g7 p Z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。 & ^+ A B% O- ^8 |" S6 \; q
02
/ y# ]/ H* A j& B5 V& F9 m2 A: PstETH不是GBTC
# N4 ]* i m$ u- ]) tstETH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 t. q1 i3 E" r# B4 Y S- t" w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 # C+ l" J/ i5 c( I* _8 j
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。
6 C0 h: \9 C4 y8 y( G+ r; d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
3 X9 j# h" F( h: ^0 |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。 # o; y. k, V8 B; ?$ Q2 O3 j
因为其中存在套利:
6 ?2 F4 Q8 ~7 Z% Y9 T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。 / q/ J4 F6 h$ O7 ?4 v
当stETH的赎回开放后,市场有一个奏效的套利方式: + l! R8 Y- A, Y9 x3 k7 ~
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
3 O: O. O q- N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。 1 h5 c+ {& c1 ]$ y. A9 J- z+ H$ M
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( g8 P! R# [) C) E B4 R2 w! O5 U影响stETH价格的四大因素
6 _3 y. H6 W/ N6 n7 K8 i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:
: F' K7 G' L, f, D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
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引发stETH清算的原因 - X5 l/ |5 {# C4 J( @) I9 `, S
杠杆清算风险是当前引发恐慌的最大原因。 5 s6 w# n3 l1 @. ~4 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。
" f5 ?+ V( w, u) N' 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。 ) y; f3 A: Q7 [6 b4 v
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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。
0 @: n# E+ `' [5 Q2 x% ]8 I# I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。 8 r6 ]0 m) f: ?" k
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。 8 n! {3 } ^" ]
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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3-5%的负溢价是正常的 . d! }9 C% d1 [9 u
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?
`' q& U" `. c, D, L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。
; K7 h/ I* A E7 a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。
& B( S$ H5 W a( u% Y* b3 n! e来源:金色财经 |
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