a*e
3 楼
难道不是直接买SPY,IWM,TNA,etc etc?
没限制,就是MARGIN可以借的钱比买等量的股票可以借的钱少。
(like stock, if day trade pattern (4+ round trips in 5 days), has to maintain account balance > $25k)
没限制,就是MARGIN可以借的钱比买等量的股票可以借的钱少。
(like stock, if day trade pattern (4+ round trips in 5 days), has to maintain account balance > $25k)
H*g
4 楼
唧唧复唧唧
f*n
6 楼
的确吓死人的标题
y*l
8 楼
我日,什么专业的论文只要三页啊?
r*z
10 楼
单位 ch^2/ch 为什么不能约成 ch?
【在 x****o 的大作中提到】![](/moin_static193/solenoid/img/up.png)
: http://www.wired.com/images_blogs/wiredscience/files/chicken.pd
【在 x****o 的大作中提到】
![](/moin_static193/solenoid/img/up.png)
: http://www.wired.com/images_blogs/wiredscience/files/chicken.pd
M*R
13 楼
Fidelity has 31 commission-free ETFs. No trading restriction except the
day trading rules.
Vanguard has more, but Vanguard ETFs have smaller market cap/liquidity
than Fidelity's at this point. Not a big issue for index investing
though.
Schwab and Scottrade also offers commision-free ETFs, but with less
choice and less important ETFs.
TDAmeritrade claims 100+ commission-free ETFs, but it seems they have a
catch called "Short Term Trading Fee":
ETFs eligible for commission-free trading must be held at least 30 days.
If
you sell an eligible ETF within the 30-day hold period, short-term
trading
fee $19.99 will apply.
【在 q**j 的大作中提到】![](/moin_static193/solenoid/img/up.png)
: yes.
day trading rules.
Vanguard has more, but Vanguard ETFs have smaller market cap/liquidity
than Fidelity's at this point. Not a big issue for index investing
though.
Schwab and Scottrade also offers commision-free ETFs, but with less
choice and less important ETFs.
TDAmeritrade claims 100+ commission-free ETFs, but it seems they have a
catch called "Short Term Trading Fee":
ETFs eligible for commission-free trading must be held at least 30 days.
If
you sell an eligible ETF within the 30-day hold period, short-term
trading
fee $19.99 will apply.
【在 q**j 的大作中提到】
![](/moin_static193/solenoid/img/up.png)
: yes.
S*e
20 楼
这个不算很严肃,MIT的机器人写了篇严肃的学术paper,被那个会议录了,嘿嘿。。。
【在 x****o 的大作中提到】
![](/moin_static193/solenoid/img/up.png)
: http://www.wired.com/images_blogs/wiredscience/files/chicken.pd
i*l
22 楼
Doug 的seminar更有意思
https://www.youtube.com/watch?v=yL_-1d9OSdk
https://www.youtube.com/watch?v=yL_-1d9OSdk
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