Leveraged ETF 討論區 (40)

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2022-05-25 20:49:10
2022-05-25 20:49:40
以下證券將於星期四2022年5月26日進行合股:
交易代號 基金名稱 合股比例
KOLD ProShares UltraShort Bloomberg Natural Gas 1:4
SCO ProShares UltraShort Bloomberg Crude Oil 1:5

以下證券將於星期五2022年5月27日進行合股:
交易代號 基金名稱 合股比例
BZQ ProShares UltraShort MSCI Brazil Capped 1:2
SCC ProShares UlltraShort Consumer Services 1:2

以下證券將於星期四2022年5月26日進行分股:
交易代號 基金名稱 合股比例
YCS ProShares UltraShort Yen 2:1
UCO ProShares Ultra Bloomberg Crude Oil 4:1

以下證券將於星期五2022年5月27日進行分股:
交易代號 基金名稱 合股比例
DIG ProShares Ultra Oil & Gas 4:1
UYM ProShares Ultra Basic Materials 4:1
2022-05-25 20:50:46
2022-05-25 20:54:35
2022-05-25 21:30:55
均價$54 tqqq幾時先返到家鄉
2022-05-25 21:54:15
2022-05-25 21:55:58
2022-05-25 21:57:20
2022-05-25 21:57:46
2022-05-25 22:07:25
2022-05-25 22:44:24
2022-05-25 22:45:44
2022-05-25 22:45:53
2022-05-25 22:50:52
繼續無腦月供


家鄉愈黎愈近
2022-05-25 22:51:41
2022-05-25 22:54:38
2022-05-25 23:02:23
2022-05-25 23:08:04
2022-05-25 23:10:08
多謝教學
2022-05-25 23:15:28
2022-05-25 23:23:11
依度decay係用best possible price嚟define
假設Index = 1
TQQQ price = 1
SQQQ price = 1

以下best possible price全部都係用index = 1嚟計。
Original best possible price of TQQQ = 1
Original best possible price of SQQQ = 1

Percentage change in index = x

new TQQQ price = (1+3x)
new SQQQ price = (1-3x)

new best possible price of TQQQ = (1+3x)*(1+1/(1+x)-1)^3
new best possible price of TQQQ = (1-3x)*(1+1/(1+x)-1)^-3

If x = 0.1,
new best possible price of TQQQ = (1+3*0.1)*(1+1/(1+0.1)-1)^3 = 0.9767 (decay = 2.33%)
new best possible price of SQQQ = (1-3*0.1)*(1+1/(1+0.1)-1)^-3 = 0.9317 (decay = 6.83%)

If x = 0.03,
new best possible price of TQQQ = (1+3*0.03)*(1+1/(1+0.03)-1)^3 = 0.9975 (decay = 2.50%)
new best possible price of SQQQ = (1-3*0.03)*(1+1/(1+0.03)-1)^-3 = 0.9944 (decay = 0.56%)
2022-05-25 23:27:19
上面x = 0.03嘅TQQQ decay應該係0.25%,唔係2.5%,打錯咗
啲數式messy啲但應該無錯
2022-05-25 23:31:03
改返#736啲typo先

依度decay係用best possible price嚟define
假設Original Index = 1
Original TQQQ price = 1
Original SQQQ price = 1

以下best possible price全部都係用index = 1嚟計。
Original best possible price of TQQQ = 1
Original best possible price of SQQQ = 1

Percentage change in index = x
new index = (1+x)

new TQQQ price = (1+3x)
new SQQQ price = (1-3x)

new best possible price of TQQQ = (1+3x)*(1+1/(1+x)-1)^3
new best possible price of SQQQ = (1-3x)*(1+1/(1+x)-1)^-3

If x = 0.1,
new best possible price of TQQQ = (1+3*0.1)*(1+1/(1+0.1)-1)^3 = 0.9767 (decay = 2.33%)
new best possible price of SQQQ = (1-3*0.1)*(1+1/(1+0.1)-1)^-3 = 0.9317 (decay = 6.83%)

If x = 0.03,
new best possible price of TQQQ = (1+3*0.03)*(1+1/(1+0.03)-1)^3 = 0.9975 (decay = 0.25%)
new best possible price of SQQQ = (1-3*0.03)*(1+1/(1+0.03)-1)^-3 = 0.9944 (decay = 0.56%)
2022-05-25 23:39:34
2022-05-25 23:42:58

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