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熊市会放大任何一个可能的利空,这次轮到stETH。 , E H B! Y, L( C
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 a& x. I2 c, w; s$ ~. }01
4 `8 v4 `4 W2 \6 z+ A- l7 a; t) ?6 lstETH不会是下一个UST ( I `# L6 |4 c# L
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。
# s+ C+ i$ a9 e/ h. ]5 N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。 m( b+ f2 k$ {" c2 `& ?
02 : L7 N/ f, C/ n( U) D7 E6 ` D
stETH不是GBTC
- B3 R; {) W4 }6 M6 P1 ^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。 : j% a9 U/ p7 K4 ^$ H; p
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。 & j6 v/ D1 ^# u8 A% C) |
03
8 H: K. l7 ?, w6 c7 s+ ustETH价格不一定与ETH挂钩 : O# P/ l3 c) D: R
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。
# y' n6 s3 n" E/ W9 G9 [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。
! [2 b; w, h6 \. K04
% y8 J5 d3 i% I6 ]stETH存在套利机会 . Z7 H; a% h6 b D0 a
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。 7 X; R. q! A# ~% J1 @# V
因为其中存在套利: ' ~& W" _* }+ m
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。 " F& x" u6 i/ `
当stETH的赎回开放后,市场有一个奏效的套利方式: : c! \$ x" p! I" f' Z& E
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。
2 @! ?" ^4 v0 p05
1 g8 a5 i. ~; F& y3 f即使合并,赎回仍要等6-12个月
' O/ S' }' p( o. Q$ f$ d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。 , d1 _- D+ i p, Y2 U0 w, e
06
1 M7 \8 k- C8 `/ o影响stETH价格的四大因素
1 Z; e0 z7 o/ P8 T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:
3 p8 f5 t" l4 H4 }. ~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 I0 }$ E* ]$ h* o R
07
1 U7 B v! M) i+ D引发stETH清算的原因 0 a4 e$ s# t& K2 ~( ~- A
杠杆清算风险是当前引发恐慌的最大原因。 3 p4 U2 T6 N; F/ V. _
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。 8 |# g* {& }8 F6 c
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。 " n0 L) h2 Z/ o: j) t# N

2 a5 y" r5 o YCelsius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。
' J5 L0 F: h, _9 U( r) ~- a2 P; ^0 }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。 ( u4 T: ]2 h& q. W1 V: 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。
: E6 d0 Q! ~/ E. B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)。
, e( f) A9 G( w% \08
" P, n) w: A# \( f3-5%的负溢价是正常的
0 _- X1 o# e: K. Z5 P3 Y( [3 y4 x. f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?
L( }4 v o5 s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。
; a, J$ P. I: }- |6 j( R1 a P0 ]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。
: C, g9 r6 l" c来源:金色财经 |
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