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发表于 2007-3-6 17:02
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James O'Shaughnessy‘S tiny Titans screen(奥肖内西小泰坦策略初探)
下面是他这一策略的详细介绍
Reasonable Runaways(tiny Titans)
Here you'll find details to screen for Reasonable Runaways stocks including variants for both conservative and aggressive investors.
This was James O'Shaughnessy's most profitable strategy in What Works on Wall Street until he improved Cornerstone Growth in the 2005 edition.
Let’s use the thematic stock screening approach to pick Reasonable Runaways stocks.
Investing Universe
Market Capitalization
The original strategy looks for market cap >150M but it actually works with any Market Capitalization so use one that fits your risk profile. Stick to Large Caps if you are more risk adverse and include Small/Mid Caps if you can stomach higher volatility.
In his latest book "Predicting the Markets of tomorrow" (*), O'Shaughnessy proposes Reasonable Runways with micro-caps 25M-250M as Investing Universe. He calls this strategy Tiny Titans. Pay great care to liquidity in this case.
(*) In this book, O'Shaughnessy makes the case for Value stocks for the next 10-20 years and highlights a couple of suitable mechanical stock picking strategies.
Primary Theme
Reasonable Runaways is a Value strategy. O'Shaughnessy tested many value criteria: Price/Sales, Price/Earnings, Price/Book, Price/Cash Flow, High Dividend yield.
His findings showed that low Price/Sales was the most consistent: Sales are more difficult to manipulate and are more stable than say Earnings.
Primary criterion: Price/Sales < 1
Now, other value criteria work as well: Price/Earnings <20, Price/Book < 1... This is good to know if your stock screener does not have the Price/Sales ratio.
Secondary Theme
In the 2005 edition of What Works on Wall Street, O'Shaughnessy improved his Cornerstone Growth strategy by adding extra criteria on the stock's Relative Strength.
He requires recent price momentum, that is 3 months and 6 months relative strength higher than average. Such improvement is also beneficial to Reasonable Runaways so you may want to add those extra criteria.
Ranking and Holding Period
O'Shaughnessy popularized the 12 months Relative Strength as a Ranking parameter in mechanical stock picking strategies.
As for holding period, the stocks are held for 1 year which is the maximum reasonable for strategies including Relative Strength.
Reasonable Runaways Stock Screens
Here is a summary of Reasonable Runaways screening's parameters.
In addition, an alternative similar strategy focusing on large cap is shown: MVP stands for Most Valuable Players and was proposed by John Markman (SuperModels at MSN Money) in his book Online Investing.
Screening Theme Reasonable Runaways
Investing Universe: Any
Primary Theme :Price/Sales < 1
Secondary Theme(s) :3 months Relative Strength > 50
6 months Relative Strength > 50
Ranking :12 months Relative Strength 12 months
Number Of Holdings :10 - 50
Holding Period :1 yearr
在下面两张表中,奥肖内西小泰坦策略在“价值加成长”策略中,九年获利达2929%,而与此同时,奉行巴菲特投资哲学的——每股收益增长策略,稳定成长策略只获得了175%和188%的收益回报,而彼得林奇策略和费雪策略分别获得373%,和100%的同期回报,但马丁茨威格的策略却获得了2100%得惊人回报
在第二张表中,欧奈尔的策略(未修改)获得了1055%的投资回报,但经过修改的被欧奈尔本人最为钟意的“欧奈尔投资策略修正第三版(也是我在第一页放置供下载的两本书)”却仅获得了532%的回报率,这不能不说是欧奈尔的败笔吧,甚为遗憾。。。
我们看看奥肖内西小泰坦策略入选股平均达到的标准:
翻译成中文为:(入选时达到的平均标准)
市盈率:18.5倍;
市净率:2.6倍;
PEG比率(用预计的未来业绩增长率):0.5;
历史每股收益增长率:-14.9%
历史长期每股收益增长率:17.5%
流通市值:8800万
52周相对强度:87
这是依据奥肖内西小泰坦策略最近选出的美国股票(2007-03-01)
选出的股票有一多半每股收益是负数,每股收益增长率为负增长,但就是这么一个令人不敢恭维的策略,却在美国连续多年独占鳌头,颠覆了巴菲特,费雪,彼得林奇的策略,将其远远抛在后面,令人深思,由于这一策略的空前成功(无论牛熊市,获利都很大),其作者依据6本权威著作(考证美股55年的过往投资策略的成效)在美国基金界确立了执牛耳的地位,其策略被广泛引用,其著作被列为投资界,金融界的必读教程
Symbol Company Name Rank Market Capitalization Price/Sales Ratio 12-Month Relative Strength 6-Month Relative Strength 3-Month Relative Strength Annual EPS Growth Rate
DPHIQ Delphi Corporation 1 1,449,396,000 0.05 100 93 60
CPNLQ CALPINE CORP 2 802,878,500 0.1 100 99 92
IESC Integrated Electrical Services, Inc. 3 352,992,800 0.38 100 88 93 -3.88
KLMR KLM Royal Dutch Airlines (ADR) 4 1,872,386,000 0.23 99 99 99 -29.8
CLEC PAETEC Holding Corp. 5 355,130,400 0.84 99 96 89
PAET PAETEC CORP 6 355,130,400 0.84 99 96 89
SYX Systemax Inc. 7 805,136,300 0.35 98 95 96
MWP MarkWest Hydrocarbon, Inc. 8 750,053,400 0.85 98 97 94
PCCC PC Connection, Inc. 9 419,853,100 0.26 97 95 82 13.3
CHTR Charter Communications, Inc. 10 1,271,713,000 0.23 96 96 66
RKT Rock-Tenn Company 11 1,235,754,000 0.57 96 92 86 3.11
PNCL Pinnacle Airlines Corp. 12 392,371,900 0.47 96 97 97 22.64
MEH Midwest Air Group, Inc. 13 238,136,800 0.36 96 95 94
AITP American Italian Pasta Company 14 191,715,200 0.48 96 79 85 -33.81
NVL NOVELIS INC 15 3,238,064,265 0.35 95 96 95
GRA W.R. Grace & Co. 16 1,616,420,000 0.57 95 97 88 -25.29
TRA Terra Industries Inc. 17 1,541,882,000 0.84 95 97 95
IMKTA Ingles Markets, Incorporated 18 888,878,300 0.33 95 88 89 18.99
FIA Fiat S.p.A. (ADR) 19 28,876,200,000 0.43 94 91 83 -47.09
GT The Goodyear Tire & Rubber Company 20 4,901,134,000 0.24 94 95 95
WCG WellCare Health Plans, Inc. 21 3,439,741,000 0.91 94 89 89 45.42
PERY Perry Ellis International, Inc. 22 441,453,600 0.54 94 93 82 23.72
LXU LSB Industries, Inc. 23 217,719,600 0.47 94 82 71 -7.8
TMBAF Tembec, Inc. 24 155,583,484 0.06 94 90 94
LEA Lear Corporation 25 2,814,114,000 0.16 93 94 86
EMS Emergency Medical Services Corporation 26 1,076,845,000 0.56 93 92 93
VOL Volt Information Sciences, Inc. 27 763,572,900 0.33 93 69 63 33.25
FTD FTD Group, Inc. 28 518,244,600 0.98 93 68 66
GIII G-III Apparel Group, Ltd. 29 286,716,200 0.72 93 95 90 -8.66
CALM Cal-Maine Foods, Inc. 30 283,209,800 0.55 93 93 94
VLKAY Volkswagen AG (ADR) 31 47,217,430,000 0.35 92 89 78 -15.55
JSAIY J Sainsbury plc (ADR) 32 17,529,180,000 0.54 92 89 89 -25.35
AG AGCO Corporation 33 3,234,725,000 0.6 92 88 77
BIG Big Lots, Inc. 34 2,635,494,000 0.57 92 82 73 -30.69
ALB Albemarle Corporation 35 1,942,563,000 0.82 92 89 79 15.97
AOI Alliance One International, Inc. 36 808,386,200 0.38 92 96 89
SUNH Sun Healthcare Group, Inc. 37 507,747,200 0.48 92 70 83
SPTN Spartan Stores, Inc. 38 479,110,700 0.21 92 76 71 6.7
XIDE Exide Technologies 39 449,224,400 0.16 92 95 95
SRI Stoneridge, Inc. 40 261,129,900 0.37 92 81 93 37.56
SYNL Synalloy Corporation 41 151,056,400 0.99 92 93 91
VOLV AB Volvo (ADR) 42 31,470,700,000 0.89 91 84 82 29.52
BAB British Airways plc (ADR) 43 11,802,580,000 0.7 91 81 62 -8.12
AKH Air France - KLM (ADR) 44 11,483,810,000 0.38 91 90 63
CGA Corus Group plc (ADR) 45 11,042,150,000 0.61 91 90 81
GEF Greif, Inc. 46 2,573,060,000 0.98 91 89 75 9.87
BGC General Cable Corporation 47 2,523,659,000 0.69 91 79 80 29.2
GPK Graphic Packaging Corp 48 928,706,700 0.39 91 70 70
SAB Grupo Casa Saba, S.A. (ADR) 49 851,449,500 0.42 91 89 93 2.62
CLMT Calumet Specialty Products Partners, L.P 50 679,843,600 0.41 91 81 75
究其成功的背后,我们解读出由如下因素:这些股的基本面过往看起来很差,但有着大幅转好和爆发的基础——或者受益于产业的由低迷向繁荣的跃进(中国的例子——广船国际,长安汽车);或者受益于公司管理层的的更新,新的管理层积极进取(泸州老窖和古越龙山?),或者是受益于某种技术的发现或产品的发明(烟台万华,重庆啤酒,岳阳兴长),或者是受益于隐蔽资产的大幅增值或某种尚不为人所了解技术的或产品的广泛应用(泛海建设,陆家嘴,金发科技,星新材料)等等
书归正转,回到沪深A股,我们如何应用此策略呢,尤其在熊市或非熊非牛的股市中(波幅不大的市道中)
公式如下:
05小泰坦(用于20050830~20060315期间)(P=10)
SETPROFFIN(00100);{仅调用历年季报数据}
当日收盘价:=close;
六十日强度:=selfdata('60日强度')>70;
半年强度:=selfdata('半年强度')>70;
二十日强度:=selfdata('20日强度')>70;
换手率:=VOL/FINANCE(7);
换手率和:=SUM(换手率,P);
成交量:=VOL;
五日均量:=ma(vol,5);
Var1:=当日收盘价*FINANCE(7)/PROFFINON(3019, 2005,0630)*1.25<=1 and 当日收盘价*FINANCE(7)/PROFFINON(3019, 2005,0630)*1.25>0;{0<市销率<1}
Var3:=FINANCE(7)*当日收盘价>=20000 AND FINANCE(7)*当日收盘价<=45*10000;{2亿人民币≤流通市值≤30亿元人民币}
Var4:=BARSCOUNT(CLOSE)>1*125;{ 上市时间≥半年 注:适当调整}
Var5:=PROFFINON(3051 ,2005,0630 )>20;{主营业务利润率大于20%}
Var6:=PROFFINON(3065 ,2005,0630 )<55;{资产负债率行业均值暂取55}
Var7:=当日收盘价/PROFFINON(3043,2005, 0630)/(PROFFINON(3060,2005,0630))<=1;{市盈率和收益增长率的比率≤1--PEG比率}
Var8:=100*capital/PROFFINON(5063,2005,0630)>=4500;{流通股东人均持股大于4500}
Var9:=PROFFINON(3043,2005, 0630)>-0.25;{最近一期每股收益大于-0.25元}
Var10:=五日均量>成交量;
Var11:=换手率和>30;
Var12:=selfdata('2005基金二季持股率')>1;
Var1 and Var3 and Var4 and Var5 and Var6 and Var7 and Var8 and Var9 and 六十日强度 and 半年强度 and 二十日强度 and Var10 and Var11 and Var12;
由于我们只能在20050830才能获得完整的基金持股率及2005中期所有公司的财务数据,故选股从20050830开始。基金持仓率大于1时保证选到的股至少已有机构投资者看好该股,减低风险,由于当时市场疲弱,故各强度值改为大于70,由于采用此策略每天选出的股很多会重复,故我们改为:从第一天选出股后,必须有累积10天(次)选出股,把这十天选出的股,按出现的次数排序,首选出现次数最多的股,依此类推,选够5只就可,由于我不慎把实证结果的excel文件误删除,只能报结果,大家自己试一试,结果选了5只(平均分仓),直到2005年9月15日选够10次,以9月15日收盘价买入直到2006年3月15日抛出,收益54%(上证指数升4。73%,沪深300升6。06%),这就是傻瓜买入法,买完后不管了,持有半年或一年后抛出(不管大盘如何走)——这也是奥肖内西小泰坦策略规定的,我也测试了2004,2003,2006等年,结果都是远远跑赢大市,经年累月下来收益非常惊人(前提是不为任何诱惑所动,一直坚持该策略到底)
[ 本帖最后由 lymanqun 于 2007-3-6 21:39 编辑 ] |
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