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熊市会放大任何一个可能的利空,这次轮到stETH。 f# L4 A$ T" V9 `
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。
# A& ]& e9 `7 _( w6 }$ R01
6 R% b% {) ^1 u* xstETH不会是下一个UST
v3 w! ]# R9 b3 tstETH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。
& _+ H4 e6 ~) n3 t2 c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
' Q& e1 f j5 i/ S$ XstETH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 y0 ~$ }+ @9 E8 z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。 " q6 x) i$ r: y3 C( t
03 x; w" _9 m* p0 `/ K8 r9 _/ v0 r
stETH价格不一定与ETH挂钩
3 `, {& q2 h/ H/ `; N* UstETH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。
# N& G1 F% ], d' i6 L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。
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% S/ S2 o' P; k' ^stETH存在套利机会
- I7 A, G3 ^/ d4 f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。 : \9 e2 @0 Z0 R5 K+ i% G% G, j
因为其中存在套利:
9 q1 n+ n# I4 G7 p& F, ?3 H9 t3 h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。
2 c8 \! K# w2 X9 |( Y4 e7 W当stETH的赎回开放后,市场有一个奏效的套利方式: 5 k X0 N' m1 I) N
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。
8 v) [0 P7 L1 e05
( D1 z& G3 p4 r3 k3 ~即使合并,赎回仍要等6-12个月
* p$ B H3 E. W4 Z8 O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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影响stETH价格的四大因素 0 k" B( T$ {# P O% L
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: 9 j. q) w6 Q) Z5 u( u7 R
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 1 E6 n$ ?) m" N$ k3 L3 H" x
07
- V! d4 \4 i- J, |2 p引发stETH清算的原因 2 K( r K7 Z' r5 H8 }- J z
杠杆清算风险是当前引发恐慌的最大原因。
2 I4 V6 d1 n* E0 A o' X3 r# _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。
: K, A- q1 W0 b6 d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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2 y5 d3 Y, |- Z( s. FCelsius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。 ) S' c/ b4 N8 l" ^ {
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。 , f c4 e. O: c* l3 K% }$ w7 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。 ! L% M% G3 G/ I! p3 g/ m1 m* N4 M
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)。 : U( N N& p6 r- J9 r
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3-5%的负溢价是正常的
5 x4 W9 ]& c' z) F& Z. Z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? - `( z h8 X! \' l5 h: z a
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。 / h2 I# _7 m- W6 V0 S
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。
2 _$ g7 E" q! N+ K Z! L' |来源:金色财经 |
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