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熊市会放大任何一个可能的利空,这次轮到stETH。
' Z. h% M. U, Y+ @2 e8 W8 O0 j- C- Y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 u: L0 G, E- o+ d) T4 Y6 K01 ) ?, s! t( C5 {9 o/ {
stETH不会是下一个UST : t3 ^- r3 F; ~! x0 Y8 a5 w
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。 ! H& q0 m* Z4 q' Q
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。 " @$ @* P7 e$ B# S5 J# k
02 : l9 `$ S+ x: ]+ u9 ?
stETH不是GBTC 9 G; c R$ j8 T+ ^! Z& A
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。
" H, m6 v$ `8 K7 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。 ; C+ a& G0 e7 D" [
03 , M' A& v2 }" f2 _* E, B- i, ~7 z
stETH价格不一定与ETH挂钩 6 k2 r2 D ]; M8 L4 T9 p1 Y
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。 - ] c5 e' D% u# c9 f
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。
" V$ F6 ~- i# Q6 l' g# D04
/ h- w, q; i+ J9 G0 r! ]stETH存在套利机会 & n1 g v9 E! R W0 X, v/ ?
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。 7 \1 h0 _. n M, ]
因为其中存在套利:
$ S- g9 D$ c( ?* U; ~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。 . |) V1 e0 B( e
当stETH的赎回开放后,市场有一个奏效的套利方式:
3 D8 X) o4 v1 U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。 ! m* k4 ?/ n6 p5 U* Q
05
; Q. g% H9 a7 e/ ? D即使合并,赎回仍要等6-12个月 ( ^+ V1 d! e, @6 p4 r/ z
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。 ; j* P' o' _5 f. D
06
6 `0 w* W! j3 h% m! G影响stETH价格的四大因素
! a1 O/ y7 j* \" t. |* A! _* P! {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 T! V/ J- g3 G' v6 y, Z2 @ s+ Y
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 F: W$ g/ w( B; w, h
07
' k; m1 a$ l; a* j7 ?% V引发stETH清算的原因
1 t5 o$ ^7 \+ @* o6 Q杠杆清算风险是当前引发恐慌的最大原因。
% U" U5 I: I. d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。 - e5 Z8 E1 ?+ ^( n6 k4 U/ Y
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。 * u0 u$ Y/ V/ ?; q2 f

: @( _; N" B9 B8 u V. U) ^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。
/ T' ?8 l/ y" a: G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。
' |, U7 U- s- h* N8 g6 O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。 4 A2 x: g; C) ]& {" ?( n
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)。 7 v9 a1 ?( u {% a5 F
08
0 u d) z3 g! V- ?5 L2 [( Q3-5%的负溢价是正常的
X4 A/ [' B% u2 Q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? , {" c( y4 J) B
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。
4 q! }7 O$ Q! |( r7 [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。
- V& ~! l$ j( q! T来源:金色财经 |
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