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熊市会放大任何一个可能的利空,这次轮到stETH。
) x, w3 x& t9 u4 k R; u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。 / y; k, ^, E: C& T
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stETH不会是下一个UST * z6 J9 S4 r: @) H0 F I4 u G5 V: m* d8 N
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。 / k- A* h8 J% j
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。
' q9 Q8 O# `5 {7 r% J. j02 . e) \9 D1 W7 k" V8 O
stETH不是GBTC
6 s1 _" j- ?$ w0 h+ U1 q2 h0 NstETH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。
* D; {* \* N' X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
8 o/ o/ g5 V8 t4 _6 G8 LstETH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。 " S0 s6 i, Q3 J1 A8 ^$ \7 c' k
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。 $ Q1 k/ E7 O+ c# M. e }% ]
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stETH存在套利机会 - F+ }# ~2 F/ S; o
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。
. D8 ~" R/ {& r6 Q9 u M' ]因为其中存在套利:
1 D7 h9 h1 ~7 ]0 q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。
8 }$ P( ]5 O& F/ h3 [9 X当stETH的赎回开放后,市场有一个奏效的套利方式: 3 J' V) S; J( V5 i. Q
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。 & P1 W1 t6 b- V& i' `# b6 m3 W
05
( `7 G1 k* V$ M" _, i5 z ]% p即使合并,赎回仍要等6-12个月 2 D/ ?9 d7 r6 i: c h7 Q& e/ j/ }
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。 " h7 h' R/ _% ^9 f" ?
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影响stETH价格的四大因素
& _9 q; @; S: H2 z' D+ Z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: 8 g4 V8 Y8 h, W# u
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 ! X* w. j) D7 D0 [% ?2 O, j/ v$ R
杠杆清算风险是当前引发恐慌的最大原因。 8 E2 a( r7 x' S1 Q! u
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。 + ~4 R y1 H# h" |+ 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。
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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。 , |+ x4 E0 I8 w# E$ K+ f# W* ^3 j! e
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。 : j6 R0 p" f" j- Y% u% ?7 |: e' Y
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 z9 n- d! j& s
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)。 . Q+ e+ \; n+ {9 \
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3-5%的负溢价是正常的 ' |4 }( B; @3 a2 X) y
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?
5 G" }, G) `( c) X2 S5 Y3 e/ 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。 / ]& h% X7 u D7 m1 r1 H' [2 u5 c
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。 ( v) q1 q" D( a+ C7 [
来源:金色财经 |
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