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熊市会放大任何一个可能的利空,这次轮到stETH。 j; [$ G/ i, |& `8 O
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。 : R, S m2 E* \7 V6 E2 b& u; j
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stETH不会是下一个UST 4 d" @( S$ N' [ Y4 f3 m" o
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。
) L4 p2 q" ] q3 {" e) J5 \( ]0 R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
8 B$ \ F5 q; V& A+ D1 T; QstETH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。
- B2 P4 x6 k& ^5 `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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& \- F4 I+ W' z* ^7 ]" ?) x$ qstETH价格不一定与ETH挂钩 ! N" d( L4 u+ Q% M- M" b
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。
( a7 D' r; H5 K, w' ?/ [; K$ @+ h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。 . A2 y6 i; ?5 {4 S) V, h# u
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stETH存在套利机会 ) l$ M2 N, A9 c5 a9 |9 x+ b
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。
! u/ }, l, \% V- o+ G+ C因为其中存在套利:
0 q- S% I& J! \! Y; 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。
! D) [6 X0 R0 I当stETH的赎回开放后,市场有一个奏效的套利方式:
0 I0 q* I- \" P; ]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。
$ u6 x2 ^- j1 V0 S05 * s0 {8 _ t. f7 H0 g9 \1 g
即使合并,赎回仍要等6-12个月
/ ?1 O, x1 L. l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。 1 v, c: U& E! E- |' Y
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影响stETH价格的四大因素 2 c$ ^- v) s% x8 d+ h9 F. _: h% K
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: 2 m8 h: A' F2 V( o, {
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
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引发stETH清算的原因 $ V8 {' y# j9 l, ]7 J. j
杠杆清算风险是当前引发恐慌的最大原因。
. N% o1 G/ g# U* W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。 ) p# s4 Z, J" h
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 D' c# I. o/ C4 \. Z) W# G+ v; y
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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。 ' o" l: j# O/ A" I% 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。 ' b( B* i4 l+ T2 Z# }) 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。
( @% i" f& x1 D4 U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)。 , |" V/ `5 @* B, o) O
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" o/ _8 O1 s( F' o5 k" g3-5%的负溢价是正常的
; n/ g& H1 M. |2 f9 w) n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?
) b4 ^; e0 c& j* |$ U! q# w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。 ( u [3 U5 P# B9 G7 r
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。 3 x9 A( A! @4 p$ Z: G
来源:金色财经 |
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