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熊市会放大任何一个可能的利空,这次轮到stETH。 * k0 _1 u6 s# B0 C$ k
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。 9 H: X+ j! E1 U
01 : k Y5 g: P+ A U
stETH不会是下一个UST
/ ?4 d$ |' v( \2 X2 L5 A3 FstETH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。
5 A# z* ?$ W+ r# |, o+ I+ s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。 . W" _) d# t! m9 d; x( i
02
6 K2 G3 F9 e8 G/ v4 OstETH不是GBTC " U8 ?7 i, a* a, U$ Q3 S
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# ~7 s; l6 F% A
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。 - K. z9 I0 o/ q1 ~! h5 D _
03 5 M7 B' r0 p$ y* s$ r
stETH价格不一定与ETH挂钩 6 s z w n% S6 J5 ~ k
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。
X* G% H% u7 t- _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。 " T7 F' S- w3 y6 ^
04
9 T m1 Q: G/ Y0 |/ H {stETH存在套利机会 * w2 M" B2 @- Z- a. @8 E8 G; X. [3 m
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 C; Y% D( O6 V# S6 w因为其中存在套利:
9 ^* d& P$ h# u1 A7 ?( A' ^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。 " V- i; }, I: R s0 l) ?
当stETH的赎回开放后,市场有一个奏效的套利方式: % n: [9 I* u! G( {* ^1 g x( 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。 @; [6 X( Z2 F( Y
05 " k& @8 S6 Y4 O6 h
即使合并,赎回仍要等6-12个月 ' c$ D$ l. j, A/ V
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。
4 ^. S& d6 x& y0 G+ p7 C06
% A4 r* J* Y. r6 A z影响stETH价格的四大因素 ) Z/ L: i3 Y9 x0 V' {7 s3 p
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: " R9 v8 k; F0 \# f( I0 E
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
O" {% K+ L% F07 - a% o/ V7 S0 I
引发stETH清算的原因 / |4 x, D, N9 b& h
杠杆清算风险是当前引发恐慌的最大原因。 4 r& |. t [; C8 s5 F5 M
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。
& Y" p0 i# t, q4 S8 w! a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。 9 R2 o; O d5 w) r- Q: {2 ^

% e6 ?% |- Q% w9 K6 N$ ACelsius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。 ( V* @% g9 k. P4 y( L3 Q
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。
0 _2 d: P7 ?9 o1 X G7 B2 O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。 ) e2 v. u6 X. f# c' [0 p
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)。
, V [8 d, u* }* j9 S08
* u: z- ~- y& S U; n: u1 p3-5%的负溢价是正常的
/ O& D$ u9 ~+ b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?
N. y6 `% ^! [4 ^7 N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。
2 f7 i/ |& F9 }' @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。 7 I8 `( |% }0 i0 R3 k7 u
来源:金色财经 |
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