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熊市会放大任何一个可能的利空,这次轮到stETH。
z7 t" S: \8 p' M4 G" L( _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 t4 q( {. F( O/ P& U2 K$ V, O01
7 |2 ~+ o+ |, h: fstETH不会是下一个UST
2 d/ \) Y9 ?& `* b4 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。 W$ [1 D4 p- ?# h
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。 Q: K4 d6 t3 v3 F
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8 B) `/ H5 m3 p1 D, m$ N0 i' v9 dstETH不是GBTC 0 ?* c$ V" _% @$ h: ~
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。 5 Z) h6 g; E! e) ?8 v
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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! K Z# |# ]+ e; _7 bstETH价格不一定与ETH挂钩
: ^4 G: H. X, x, wstETH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 Q, _7 U+ b5 Z0 n- Y9 C
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。 & ~% N. A0 q, V
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* k+ {! e) k7 w; s! \. E; FstETH存在套利机会 5 x3 o; ?* l! d5 j; L
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。 ; z9 a: i6 o9 m" L Y+ }
因为其中存在套利: 2 X: D* h% O7 Y& ] t9 L4 D2 U. r- b3 Z
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。
! F8 M. r% L/ r" r5 T& K4 A当stETH的赎回开放后,市场有一个奏效的套利方式: - Y! G, N- W u" L0 |' A2 {/ O
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。 ' E1 s, x, r% j. P# Z3 z
05
+ H/ Q% l, Z7 C即使合并,赎回仍要等6-12个月
; F; e2 \( Q- 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。
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. k1 W" I. j) r. V& p h; C影响stETH价格的四大因素
" ^) Q @ u' R" X* ?1 m' 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: " [' P- L, ~) q. d6 ?
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 / u* l6 _3 j0 X l$ H* h
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) N. m/ b/ g1 `4 [6 |% N9 F- Q引发stETH清算的原因
; a% r8 o8 b W8 U杠杆清算风险是当前引发恐慌的最大原因。
~. I. D+ C. x" U7 a' c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。
" t! n1 z( F$ `2 u8 A# z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。
( I! l) i" k! a4 D& ^' `" Q5 }# z5 P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。
! V2 i1 T& ]+ Y1 p3 ^; l; Z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。
# s& h. U# s' V- {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)。 : ]# i W* l9 C: w0 X. S
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0 S/ X: C; [) }% q5 Y, S- |4 Y3-5%的负溢价是正常的 1 _% F8 h. a5 B
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 v% D1 _7 X; @. [. R8 e. 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。 / s& [7 l; a2 o% |: V
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。
! l+ W: W w$ z# B9 O2 O来源:金色财经 |
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