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熊市会放大任何一个可能的利空,这次轮到stETH。 - i* ^. n/ L( w9 h, o# A I9 z- n
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。 # }( H" E4 Q5 }$ Q+ S
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stETH不会是下一个UST
5 w" P! u7 F. C! \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。
: g. C8 R8 Z, |9 a2 o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。
' j+ l/ ~ h9 v6 t# x' J/ H: J02
; W# m/ l5 x3 c) C0 r0 mstETH不是GBTC
8 p# ]1 L0 f! Z5 J8 c7 WstETH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。 7 k7 G# x/ m/ m% l
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。 7 _6 {( y2 Y- Q7 r1 }% a/ W, X$ o
03 " A$ a6 }8 f# e, q2 Q, m; K5 V& X
stETH价格不一定与ETH挂钩 + X+ \+ Q$ i" e3 X* g' a$ N# 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。 3 d& u! C J L# }+ @6 K& r
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。 3 p. x1 O `5 V) @& U+ C
04
6 x! _6 B& |& }stETH存在套利机会 ! X/ @; d. Z4 ]( t
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。
8 T1 a$ H: d% u0 S因为其中存在套利:
7 s) m, d, d4 y( m" Z) r& E. W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。
$ r) W" R' Q% z( C& s: V2 A当stETH的赎回开放后,市场有一个奏效的套利方式: ( j6 Y9 N/ Q8 M+ Y
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。
0 _* `; w; ~, `, ]05
$ Z n" f V/ m! d即使合并,赎回仍要等6-12个月 6 R) t2 G+ H2 i
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。 " @3 R2 O6 Z; `
06
6 U" l: N1 C/ a J影响stETH价格的四大因素
9 m# L" Q1 t1 W" y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:
m( @7 `0 M) l7 k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 - _4 b. R) D% \" i2 `$ B: z
07
) Y9 u, _ q, S引发stETH清算的原因
m4 g' Q. {8 }9 g杠杆清算风险是当前引发恐慌的最大原因。
7 R9 p# L/ N$ ~% S7 M/ k+ N: J! @4 J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。
6 P6 n$ ~# F' p1 h: N+ T: |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。
# p0 `" U: _# r& X5 m( t 6 W1 a; J# N: D4 _( Y' I' J
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。 , m7 I9 c) ~/ L2 U. u( t2 {1 V
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。
" t- C. {# m1 E3 p, ]. C6 \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。
- d: w7 h7 v" v* f9 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)。
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- u/ G" I' }$ r. p) o3-5%的负溢价是正常的
& U5 r9 i4 {; Y% T! W% r2 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? ) l4 e3 v4 V- B/ E/ t) t# f6 F
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。 1 e: `3 l7 @) }7 l. c; b5 m+ z
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。
% h( D7 }$ c- F8 b2 D9 V* Z0 N+ w来源:金色财经 |
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