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熊市会放大任何一个可能的利空,这次轮到stETH。
# U( H, {7 w! I9 ]( X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 d; x0 l/ E/ ^
01
3 f' K! |% A4 ^# j& ^7 ^* h fstETH不会是下一个UST
7 ^- s0 h. {6 K* ^8 }# X) LstETH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。
9 ]% g+ |& X! [* Z) @1 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。 - W! {2 f: ^* G* g7 E
02
& \, T, z6 o2 k" p; L; RstETH不是GBTC
5 u) T! z6 B. t2 a0 u, f: { K" v, istETH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。
1 m I- @4 i- V% Q( B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。 * c8 w( ~ U: W5 H" ~+ S! f8 A
03 0 v0 \" t3 c' `. s" {+ K' P+ k! n
stETH价格不一定与ETH挂钩 * o" u7 D# v5 H% X
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。 8 ]9 D [3 j0 c3 X' ?/ R! |0 O
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。
' p' T% t3 }9 j% M. D/ ^7 i! ?04
. H1 h. @! s+ J9 ^, w0 wstETH存在套利机会
1 s- U3 G: C& `" f b' B9 w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。 / Q6 u7 h# l: v& f$ k5 @
因为其中存在套利: : P; t. w$ c) k* Q
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。
4 y1 b/ _' Y& p% w ?1 o( d9 x3 ~1 L当stETH的赎回开放后,市场有一个奏效的套利方式:
3 i3 j( V V8 T" `0 c5 a x6 ~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。
! k8 X1 M3 E+ U+ O4 K* q05
7 d) B5 Z E% ]6 f7 m即使合并,赎回仍要等6-12个月
1 S: s. v, b s+ \, o5 \0 |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。 ( c9 R1 {/ G8 R8 d( J
06
1 U/ ^+ z3 E3 J6 J2 `- ]影响stETH价格的四大因素
8 g, m" Z" {2 z# x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:
' {6 a# N) d; w4 ~( R: w" s/ N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 ( i7 f' i/ Y/ ?; ?4 A( Y2 {
07
% e. x7 I; [. Q. i8 g( M0 ]引发stETH清算的原因 ( I! K3 p7 @+ g
杠杆清算风险是当前引发恐慌的最大原因。
5 V! ` g: |) s* X; Z* N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。 6 q7 V/ v. l* q' L, I# [
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。 6 `: N7 Y$ Y% H+ n0 X% Q

& h0 J8 g0 J5 _- j- X0 b; @4 g$ FCelsius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。
7 L; H) e7 K+ W C' C) l8 |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。 3 n7 t, {1 Q( L- q3 A3 G4 J" h
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。 : B% r/ z/ O1 B1 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)。 ( o- b6 b+ r+ n- L
08 / [) r" R/ [- L8 U/ Z
3-5%的负溢价是正常的 1 S6 G* L1 Q' g
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? $ Y; D* h7 n9 j1 Q) m
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。
# h" F+ E! }: E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。
" q- J% ?( q3 L7 `+ H+ S来源:金色财经 |
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