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熊市会放大任何一个可能的利空,这次轮到stETH。 4 J6 ^; v8 t) [: @5 E5 w( 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。 6 F `- { B" c# x0 d5 Z* W; p
01
% c2 \% X6 s% B* ^# a) G8 YstETH不会是下一个UST ( r) N1 f4 m6 p, Y4 ]$ s" l7 Q
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。 + d y" \) b8 h: q+ m
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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6 [4 f) Q" b0 m) |5 TstETH不是GBTC 5 l. i1 N* b3 [# l1 N- R
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# K* G8 i% s! i4 z5 @4 d! e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。
" e5 ?" W( O% F, W. w" C03
3 ]( r/ N4 `- A* E7 q. dstETH价格不一定与ETH挂钩 4 Z5 S* r- {+ F* i& k W
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 @. A. w* Z- @. T M1 r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- |% k, w( T5 r# z% J
04
& ^! P6 X& X2 x/ kstETH存在套利机会 ' M, L$ w- a7 M- X$ r9 e8 }, O% 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。
; y2 L0 d9 h! A" N- J% {因为其中存在套利:
) g) z3 l9 {; n; O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。
: g/ G% r. _& @$ N/ A) E# `. ^当stETH的赎回开放后,市场有一个奏效的套利方式: ! s' ]8 O+ @' ~% 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。 : f4 E) |7 s5 a& J6 z1 x* ~: F
05 ) `) I) a! K0 |) Y: T2 b. I
即使合并,赎回仍要等6-12个月
7 I% X1 @7 B) b- j; W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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影响stETH价格的四大因素 & r0 V6 V/ a2 P% V- V8 W. 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:
' |: @4 Z+ O! Q. z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 & M( V. C" R' u* w& v
07
$ J$ `7 D+ w; L$ V引发stETH清算的原因
$ @) e2 b& \0 k& A0 z1 [杠杆清算风险是当前引发恐慌的最大原因。 : b7 x+ X: L! G( O7 E$ G9 n# k
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。
3 c4 t1 w2 _# |& |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。
( P6 J) [% F9 i( i 1 t3 w w5 |+ {4 x' @: A% Z
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。 $ g$ Q3 J7 p7 y. R7 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。
s; H4 {2 d" R, f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。
; O* r+ ~4 `' a- ^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)。
" w; J1 B3 D% j1 r: E- h. A# I08
0 _. }/ {" e& V s% l3-5%的负溢价是正常的 ; u% D. K- l6 u0 z3 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?
3 b9 k1 u S- J# N, P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。 " o8 H# Z) `2 x
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。 8 {* ~! U0 w4 j
来源:金色财经 |
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