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iteye_19148
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Best investment
Peter Lynch says in his One Up on Wall Streetthat comanpies with boring names are better for investment. Those withboth boring names and doing boring things are even better, and thosewith boring na...2006-09-26 17:51:00 · 138 阅读 · 0 评论 -
Google finance beta lauched
Finally the google version of Yahoo! finance is coming out. Several noticable features of Google finance includes interactive historical price chart and time-marked news. Hope Google will release sort...2006-03-24 00:00:00 · 133 阅读 · 0 评论 -
Modern portfolio theory
I've touched a little bit of so-called modern portfolio theory. The basic philosophy behind (both single-index model and multi-variable model) is to decompose an extremely unpredictable variable (expe...2006-05-23 05:08:00 · 237 阅读 · 0 评论 -
Case on the failure of LTCM
"1994: Long-Term Capital Management is founded by John Meriwether and accepts investments from 80 investors who put up a minimum of $10 million each. The initial equity capitalisation of the firm is $...2006-05-29 07:56:00 · 225 阅读 · 0 评论 -
Fantastic intorduction on ETF
Finally I've found a solid introduction on ETFAlthough I don't agree that passive managed fund can be better performed than active one, simply because they are not efficient portfolio in theory, ETF...2006-06-09 12:58:00 · 84 阅读 · 0 评论 -
Recent talk on Efficient Market Hypothesis with Justin
Here is the original script (in Chinese). This nice talk let me review the assumption (failure of EMH) that I use for the anlysis model that I'm currently working with. Now I realize that EMH is half...2006-06-10 12:17:00 · 88 阅读 · 0 评论 -
A better way to get historical quotes
After programming intensively for a whole day, I've done the functionto import historical quotes through Yahoo!Finance's csv formatoutput. Terrrific! Now just forget about those commerical web serv...2006-07-10 00:49:00 · 141 阅读 · 0 评论 -
The most beautiful modeling language
I happen to find AMPL, "a computer language for describing production, distribution, blending, scheduling and many other kinds of problems known generally as large-scale optimization or mathematical p...2006-07-16 17:09:00 · 113 阅读 · 0 评论 -
Money may not make you rich
rtsp://time.dufe.edu.cn/movie/sjdjt24.rm I happen to find the above inspiring interview with theaurthor of Rich Dad and Poor Dad, Robert T. Kiyosaki on the Phoenix TV.Although I've already been qui...2006-07-23 21:19:00 · 177 阅读 · 0 评论 -
Google Finance的bug
Google Finance的可拖动时间范围chart和新闻时间标识让我当初一下子就抛弃旧爱Yahoo Finance哈哈上星期割掉高盛（GS）,因为盈利效率过低。我一直是相信Google Finance的计算的，以前验证过也没错，但是这次清掉一个股票后发现结果不对了：Buy: 10 * $210.50 + $29Buy: 20 * $214.91 + $29-------...2007-07-11 04:46:54 · 212 阅读 · 0 评论 -
Fancy Hotspot Chart
2006-01-04 00:36:00 · 91 阅读 · 0 评论 -
索罗斯与因果论
[quote="hurricane1026"]乔治．索罗斯的投资理念不知道各位是否知道，最核心的就是试错．在他的理论中，人的思想就没有对的，或者说没有全部正确的，而且你过去正确也不表示你接下来仍然正确．在他的投资生涯中，基本上就是交了学费就跑．完全靠概率上的胜率来制胜．也就是说他认为很多事没有理由，在胜利之前没有什么可以证明它可以胜利．一切要等真正胜利之后才胜利，而且胜利之后也不能保证它会继续...2006-09-26 22:37:50 · 242 阅读 · 0 评论 -
索罗斯与因果论2
[quote="hurricane1026"]两位说的都很静僻，尤其是布娃娃，正合我心。不过就算有因果理论支持，他的试错还是靠概率支持的，他绝对推测不出某次必胜。[/quote]索罗斯把事件分为一般事件和历史事件，对一般事件概率是适用的，但对起决定性作用的特定历史事件概率就不行了，因为几乎无法重复这些历史事件，没有历史数据样本何来统计出的概率？他当然没把握必胜，但不代表他借助于统计...2006-09-27 00:55:59 · 188 阅读 · 0 评论 -
5 myths of ETF
ETFs are hot these years with increasing public attention over other kinds of fund. However, Exchange-Traded Fund Myths Busted (from morningstar.com) discovers some of the "famous" myths behind the sh...2006-10-29 21:29:00 · 81 阅读 · 0 评论 -
A Critique of the Sharpe Ratio
Author: David Harding, Winton Capital ManagementThe Sharpe ratio is a statistic which aims to sum up the desirability of a risky investment strategy or instrument by dividing the average period re...2006-11-02 07:42:11 · 150 阅读 · 0 评论 -
The blurring line between hedge funds and mutual funds.
A recent article from Economist talks about the emerging trend of mutual funds leveraging more and more financial derivatives, just like what hedge funds do, to improve returns. Especially in Europe,...2006-11-28 07:00:47 · 131 阅读 · 0 评论 -
Sparks on forecasting models
Just finished reading the set of papers titled Developments in Forecast Combination and Portfolio Choice, since it's due tomorrow. (I'm a bit lazy currently><) Some of points I came to:The di...2005-11-11 00:37:00 · 133 阅读 · 0 评论 -
Focus of Warren Buffett's portfolio
A recent article on morningstar.com disclosed Buffett's portfolio structure. One thing that contradicts to the public image of him as a value investor is that only small portion of his investments can...2005-11-14 12:21:00 · 128 阅读 · 0 评论 -
Real world index fund
(I'm too lazy to comment on this article this week.><)There was an insightful article on bloomberg last week, Index Mutual Funds Get an A in School, C- in Life by Chet Currier, which disclosed t...2005-11-27 06:40:00 · 102 阅读 · 0 评论 -
PIMCO announces RAFI
Thanks for the nice introductionfrom earlzhang's blog on Research Affiliates Fundamental Index (RAFI).Basically, it's a new system to determine the weights of portfolios bylooking at fundamental fa...2006-07-24 07:45:00 · 99 阅读 · 0 评论