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熊市会放大任何一个可能的利空,这次轮到stETH。
1 \% C( o6 ~; E6 o) v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。 $ F% H& c e' P3 h+ H* q( E8 T5 w
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stETH不会是下一个UST
* [3 f3 q8 p# }( p. C6 \& cstETH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。
0 O4 b3 q! T" {% 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。
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stETH不是GBTC
/ ~( ^5 o8 K% kstETH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。 ) n! ]* k9 j5 C/ d" P2 D
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 0 E6 Q0 d: a3 {: ?2 u+ M
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。
9 x. \" W4 X d" 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。
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stETH存在套利机会 S: l# c1 z5 a% A8 Q8 @
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。 * A; V: C d# h" [. g) H% N$ r x
因为其中存在套利:
; o0 E/ I' U5 ^9 F' M+ L) 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。
L8 S x( l1 X6 W1 Q7 ]* l当stETH的赎回开放后,市场有一个奏效的套利方式: / Z. i2 t# H! 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。
* ?4 ^, l2 K1 U+ E9 f* _05 0 F: s8 Z, O* u2 U9 w" S! C
即使合并,赎回仍要等6-12个月
" x7 u1 U* n: p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 e2 l, ~: `; D: N6 S
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: # v. z, Y" r! r2 _- ^
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 ! V, C! J. o% u
07 : M+ y+ X1 q K4 A- o: N5 n1 M
引发stETH清算的原因
; u2 K$ e9 k* f+ u4 w# V0 a" e杠杆清算风险是当前引发恐慌的最大原因。
: G8 w6 j" ^8 ^6 @' E- L$ ^1 z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。 / k8 m4 ? {* P) ~9 }. M
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。
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$ d5 ]7 U/ e) f% W$ j3 SCelsius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。 + i% Q- }- N! |; O% ?. t
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。
% x! v6 ]2 I- T8 c2 _, 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。 1 u; X/ q3 Z$ [4 e
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)。 , h$ b: a$ q- k( O( J
08
" u i& n9 A/ m% v3-5%的负溢价是正常的
# @3 c$ c( |8 c# S1 \, `7 ^& h+ t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?
l6 r( U7 n2 X0 q/ Q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。 0 y8 }/ ?5 X0 l" K. |
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。 ' a6 I3 Z; a" d3 c) z- L
来源:金色财经 |
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