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熊市会放大任何一个可能的利空,这次轮到stETH。 1 S7 ]! h Q* e' U( P$ E
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。 8 r z, A K% e' d$ w( M
01 ! S5 ^8 r0 ^+ W |. B- X$ \3 v; a
stETH不会是下一个UST
& @7 N. q0 v5 I( GstETH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。 $ L) L: B3 q; ~0 `4 s ]1 D2 Y! A
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。
9 y3 g3 U1 m7 f- b02
" T* l1 [/ s( Y9 i1 M6 b3 N9 @stETH不是GBTC
9 t( z( ]( A/ w, y5 y2 V( C# estETH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。
& ~# X5 m" l' c5 D0 J, R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。
# i% E! b. a2 Z x& m03
" c7 T; o4 |1 s: A$ _* }3 BstETH价格不一定与ETH挂钩 + _, y5 t8 V- Q
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。 2 _, A+ p3 s# y& l7 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。
' j' @: j/ M/ B( g0 F4 I04
6 l5 t! C, z, N, Z# ~1 e( GstETH存在套利机会 ; H9 Q$ c3 v* h2 L4 ]' @# I6 c
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。 \& {" @! |& o& ~) x" N- v4 A
因为其中存在套利:
( J6 c* E/ c: C' O7 h' w* P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。
! L0 E0 r9 s! R7 j; @) U0 @6 O6 Q& o当stETH的赎回开放后,市场有一个奏效的套利方式:
7 z! g+ r0 a8 R, `3 h! n2 S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。 . C3 N# C0 ]$ j$ A6 k7 x
05
: y7 z1 z3 I7 C, j3 q即使合并,赎回仍要等6-12个月 0 m0 C6 j* d B$ m8 X4 e! g$ m
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。 " b( j+ C7 ^# v
06 ) }2 u- ^+ \( K) e" h) n, V. Z6 P9 G$ M
影响stETH价格的四大因素
/ X2 K* s/ l# f( B9 H3 y7 x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:
% k/ \ v' R, a [) 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 ; |% U. [+ l+ l3 c
07
k/ w& \- _; ?5 \引发stETH清算的原因 4 [3 n' Z K+ B# R$ q
杠杆清算风险是当前引发恐慌的最大原因。
l. S3 b2 [& n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。
& F& |0 t) e F' V# p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。 7 a4 @! d' U2 T, ?8 Y+ E2 @# w

' ]% H: g0 ~6 {: nCelsius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。 ; L& ?( P8 E; D. R, l$ ?. 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。 $ g2 q, T9 d/ R' h9 n# A
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。 1 O5 ]# U. Z1 E9 D" O& d
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- M9 ^4 v9 ^' Y, V* s08
2 I. x8 c2 b2 k0 V3-5%的负溢价是正常的
) p+ x* e, Y& d5 k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?
7 A3 {& @1 S& r* W' F3 H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。 5 ^' h; {5 G7 O9 @, H; 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。 0 c" n& \" E9 R) E
来源:金色财经 |
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