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熊市会放大任何一个可能的利空,这次轮到stETH。 ) l' R6 b/ E6 V2 o6 p& n# W
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。 4 W; x3 O a+ p% z7 U
01
* K- W% M4 E K. \3 @stETH不会是下一个UST
3 e+ n" A) G- R- X' Y8 F l7 [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。
/ \3 J* g% D$ T, f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。 ) n' N7 x8 T7 I$ @& w' Q8 e
02
6 r* p' B9 e+ p4 H; F: S: B' HstETH不是GBTC
9 L. z; d* ]; W- CstETH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。 1 f$ v. \& B( A. F2 X, o- ]
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。
) ~; ] B1 T" G. {+ T03
3 t& |$ P9 X7 W, A; Y& m3 ZstETH价格不一定与ETH挂钩
5 J/ o9 Q7 E0 s, ]0 o8 l0 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。 * O, E5 E/ y5 V6 B( S0 m; Q
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。
* ~1 K: P, j" z04 * e0 @6 [7 |% s7 k0 B
stETH存在套利机会
6 X) h; z9 c0 ^* A9 e! X$ z( A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。
: r _' ~+ @. j4 a$ K2 G因为其中存在套利:
- w9 J* y6 A& F4 T3 g: L5 M9 i* 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。
# c5 t; h+ l+ @( Z7 o! {当stETH的赎回开放后,市场有一个奏效的套利方式: K$ T$ I& C; ~0 X
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。 ' b" [ B) I, Z P# l& ?. W, P& f
05
; C. D' ~+ j9 ^( J即使合并,赎回仍要等6-12个月 3 R1 o) p9 s5 }4 h" ~+ |
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。 5 C1 k. u, \! q7 k+ g5 _) Y
06
" ^/ R- i% U+ f% m. ~2 j W1 B6 s影响stETH价格的四大因素
) ~8 G2 |) z$ A3 F6 N" k- Z# R, V B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:
/ w1 K' x9 H9 ?9 X: M# d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 3 Y8 S5 W5 {0 d! N
07 8 C# f1 s; r; q8 V. h. e
引发stETH清算的原因 ( `1 K" h1 c/ t' w9 s
杠杆清算风险是当前引发恐慌的最大原因。
) d; ]: K2 \, 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。 - ^* f2 }/ A+ V5 R' s 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。 ) o* |, C# H- u# L& J! ?% D! i

7 b' q' C9 `6 G( JCelsius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。
- i3 u0 b# C: f4 u; X, k! C) n0 j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。
! j0 V/ W3 c8 c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。
7 [- p0 n& _% X. m8 c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)。 / h* d% J+ ~. ?/ Z. H0 P
08
) `# ^* g' k) j! p$ U/ E# u3-5%的负溢价是正常的 , @, Y3 a0 _8 s r8 z1 k P% P
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? * F; @& u$ e0 i ?9 p; ]( H9 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。 0 s9 K! F/ @. [5 `/ 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。 # ?/ T4 {/ Y2 S0 n/ k7 y* f
来源:金色财经 |
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