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熊市会放大任何一个可能的利空,这次轮到stETH。
+ U$ P& n, ^8 X: [6 C' I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。 # u1 P( Q0 E7 m2 l, j
01 ( o7 B; @2 r J
stETH不会是下一个UST ' E4 L3 @! J; [0 L$ v5 f# l7 h
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。 ! v: w$ X2 \! V F2 c/ 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 M: I% K: ?1 @% f: M9 R$ D, l
02
6 S6 X* e) I0 C: P9 ?) ?stETH不是GBTC [' l2 V- X) R2 N G9 l
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。
% F* a0 m+ s) a3 ~/ ?2 A9 Q M3 F, x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。
8 A. U& J' `; z# C+ ?: Q8 A03
0 \0 k8 u$ m% R0 A9 MstETH价格不一定与ETH挂钩 8 i6 l5 M& c8 [
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。 1 f8 h& O4 @; e- R- S& U
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。 3 ~# d( b; W9 A! ?9 L( _* ^4 ^& h
04
4 J& _$ W; D3 AstETH存在套利机会 8 D, X3 \8 h5 l
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。
' i9 @# I' e) @' d' C/ M) q; U因为其中存在套利:
2 c7 |6 y0 Z: G0 B3 U4 n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。
% M% _! d0 E, F2 _' s: L& [当stETH的赎回开放后,市场有一个奏效的套利方式: 7 F4 w+ A9 h/ X- a6 \6 ]+ Y8 K
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。 + e/ K' w" \- S- D9 ?" @
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即使合并,赎回仍要等6-12个月 1 }. R1 W. D$ C% \6 @
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。
) y& {( r/ E. `% x4 M1 A0 [* Q06
4 Z: W+ `5 X: z: i" v+ O, E6 H影响stETH价格的四大因素 {& m. K7 `# ?
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:
, C% o, o+ ]* w# P/ E0 W4 O6 P# k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 9 _' U, J1 B+ y$ n7 g+ g) {: K6 o2 A
07
( \$ K0 _8 h; L% @9 b6 i( m9 p引发stETH清算的原因 - r9 U2 w. k9 C0 k- ?4 n% l
杠杆清算风险是当前引发恐慌的最大原因。 1 Q; \+ T4 s w! L
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。
+ D9 v+ Q+ k1 b# R: W. B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。 0 W9 z1 w: d: p A
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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。
* j+ g8 Y' i* ^- G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。 ; U9 P. |+ ]% S3 p& x v6 N
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。 5 Z& t& w. A6 S4 n
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)。 , g- D4 d! B- z" g6 Y. Y
08 7 K3 H- ?- y& ?
3-5%的负溢价是正常的
, i- [% i9 X/ K) R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? / @7 I1 [; c: h5 S5 N6 M6 U
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。
, K2 A" R5 j2 |9 X& H0 Q- F' 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。 & F$ C1 B" ~6 e+ n
来源:金色财经 |
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