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熊市会放大任何一个可能的利空,这次轮到stETH。 4 U7 o6 O" H& _3 r( a. _
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。
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stETH不会是下一个UST
8 O& A9 `2 C0 jstETH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。
{3 i- d9 T, h) Q/ ]! @' ~. x3 R$ E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。 2 [* t/ f8 g3 G5 B& c, H4 \! Y, `' M
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stETH不是GBTC
7 L) A8 e$ Q( j6 Z5 E; \5 PstETH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。
[+ F5 m; F8 K* F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。 # W* w) O/ j8 t$ V1 w
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stETH价格不一定与ETH挂钩
, x% ? Y7 F! M- s; _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。 1 a3 F- ~3 t$ ~3 I
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。 s" D# H2 W, R! g( p
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S6 ?' O( k, |% [/ D+ TstETH存在套利机会 " d1 G/ P' T1 a5 E% m: A1 p Z" ]
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。
& D( c, ^7 @2 y) O7 P因为其中存在套利: 5 O. c' o7 s4 r! [6 x$ H( R, 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。
2 N! X( I I$ w: ?% F1 f9 J当stETH的赎回开放后,市场有一个奏效的套利方式: & S- ?0 X$ v+ L" 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。 4 d3 ]- H5 b" Z; a
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即使合并,赎回仍要等6-12个月 $ Q' I8 u& @! S% c8 s
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。 , x7 E* S" P% _
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影响stETH价格的四大因素
: X3 b9 v& u) `! ]- J3 \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:
- j! p' R% h( ]3 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 1 }+ E" {) Z+ f. \1 A s; Y
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3 |+ r; w: B4 S; N- E" H) C引发stETH清算的原因 2 `! d8 ?7 `% |4 s
杠杆清算风险是当前引发恐慌的最大原因。 * d. B3 P% z7 @* E, {1 Z0 d( T- p
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。
) l( v# P# o2 O, d/ 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。
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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。 - Q3 k, J) I% C9 X" G; S
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。
c' i" [9 ^/ o1 s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。
6 Z& u* F& G4 P2 ?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)。 6 y; S0 e2 K5 {% v' }/ _
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3-5%的负溢价是正常的
8 C8 s6 ~+ u4 k7 z5 U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? 2 N. [/ b' u. S: d8 p5 c+ v
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。 & G1 u7 |4 E, E' t
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。 2 [/ I) c" _% V" |1 x
来源:金色财经 |
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