Hang Seng Index (HSI)

Wall Street Journal  Sep 12  Comment 
Hong Kong stocks extended their longest run of losses in more than two years, with the Hang Seng Index declining for a sixth day.
Market Intelligence Center  Sep 11  Comment 
U.S. markets are down early Thursday. Both the S&P 500 and the Dow are down 0.25%. There were 315,000 initial unemployment claims for the week of Sept 6, up from 302,000 the previous week. Asian markets were lower Thursday, with only the Nikkei...
MarketWatch  Sep 11  Comment 
Here are the latest trading levels for Asia's major stock markets: Tokyo (Nikkei Average) up 0.8% (closed) ; Hong Kong (Hang Seng Index) down 0.3% ; Shanghai (Shanghai Composite Index) down 0.4% ; Sydney (S&P/ASX 200) down 0.5% Taipei (Taiex)...
Market Intelligence Center  Sep 10  Comment 
U.S. markets are down slightly Wednesday morning. The S&P 500 is down 0.04% while the Dow is down 0.01%. Asian markets were also down Wednesday, after the Chinese government announced a slowing of money supply growth. The Hang Seng was down 1.93%...
Market Intelligence Center  Sep 9  Comment 
After getting the week off to a slow start Monday, U.S. markets are moving up slightly today. The S&P 500 is up 0.06% while the Dow is up 0.04%. Asian markets were mixed Tuesday. The Hang Seng was down 0.20% and the Nikkei was up 0.28%. In Europe,...
Market Intelligence Center  Sep 8  Comment 
U.S. markets are beginning the week down. The S&P 500 is off 0.16% while the Dow is down 0.18%. Asian stocks were mixed Monday after disappointing Chinese import/export data. The Hang Seng was down 0.20% and the Nikkei was up 0.23%. In Europe,...
The Economic Times  Sep 8  Comment 
The local unit opened higher at 60.29 up almost ten paisa against a close of 60.39 yesterday. Asian equities are up except for the Hang Seng and the Kopsi.
MarketWatch  Sep 4  Comment 
Asian investors took a cautious approach ahead of the European Central Bank’s decision on monetary policy.
The Economic Times  Sep 1  Comment 
The benchmark Hang Seng Index edged up 42.50 points to 24,784.56 on turnover of HK$32.59 billion ($4.21 billion).
Wall Street Journal  Sep 1  Comment 
Hong Kong's Hang Seng Index and shares on the mainland traded higher Monday, brushing off weak Chinese manufacturing data earlier this morning.


The Hang Seng index is a market capitalization weighted index that follows the top 40 or so companies that trade on the Hong Kong Stock Exchange. The index covers over 65% of the total market capitalization of the exchange[1].The index is maintained and published by the Hang Seng Indexes Company Ltd, a subsidary of the Hang Seng Bank in HK, since 1969. These companies are classified into sub categories namely, Commerce and Industry, Finance, Properties and Utilities. These sub-categories are published as indexes as well.

Stock Selection Criteria

Constituent stocks of the HSI are selected by a rigorous process of detailed analysis, supported by extensive external consultation. To be eligible for selection, a company:

  • must be among those companies that constitute the top 90% of the total market value of all eligible shares listed on the SEHK (market value is expressed as an average of the past 12 months);
  • must be among those companies that constitute the top 90% of the total turnover of all eligible shares listed on the SEHK (turnover is aggregated and individually assessed for eight quarterly sub-periods over the past 24 months); and
  • should normally have a listing history of at least 24 months on the SEHK[2]


The Hang Seng is calculated with this formula:

Image: F hscei.gif[3]

Image: F_hscei_2.gif[4]

Image: F_hscei_3.gif[5]

Free Float Adjustment

The Free float Adjustment factor, or FAF for short, represents the proportion of shares that is freefloated as a percentage of issued shares and then its rounded up to the nearest mulitple of 5% for calculation purposes. The compilation with a Cap factor was switched to the FAF, September 2006 onwards. The cap factor was originally calculated in each regular half yearly, such that none of the stocks weighed in more than 15% percent.

To find the free-float capitalization of a company, first find its market cap (number of outstanding shares x share price) then multiply its free-float factor.

The free-float factor is determined by the percentage of floated shares to outstanding. For example, if a company has a float of 4 million shares and outstanding shares of 5 million, the percent of float to outstanding is 80%. A company with an 80% free float falls in the 75-80% free-float factor, or 0.80, which is then multiplied by its market cap. For example: $120 million (12 million shares at $10/share) x 0.80 = $96 million.[6]


The composition of the Hang Seng Index, as of 8th March, 2010:[7]

Cheung Kong Holdings Ltd00001Properties
CLP Holdings Ltd00002Utilities
HK & China Gas00003Utilities
Wharf Holdings Ltd00004Commerce and Industry
HSBC Holdings PLC (HSBA-LN)00005Finance
Hong Kong Electric Holdings Ltd00006Utilities
Hang Seng Bank00011Finance
Henderson Land Development Company Ltd00012Properties
Hutchison Whampoa Limited (HKG:0013)00013Commerce and Industry
Sun Hung Kai Properties Ltd00016Properties
New World Development Co Ltd00017Commerce and Industry
Swire Pacific Ltd 'A'00019Commerce and Industry
Bank of East Asia00023Finance
MTR Corporation00066Commerce and Industry
Sino Land Co Ltd00083Properties
Hang Lung Properties Ltd00101Properties
China Merchants Holdings (International) Co Ltd00144Commerce and Industry
CITIC Pacific Ltd00267Commerce and Industry
China Resources Enterprise Ltd00291Commerce and Industry
Cathay Pacific Airways Ltd00293Commerce and Industry
Esprit Holdings Ltd00330Commerce and Industry
SINOPEC Shangai Petrochemical Company (SNP)00386Commerce and Industry
HKEx Ltd 00388Finance
Li and Fung00494Commerce and Industry
China Overseas Land and Investment Ltd00688Properties
Tencent (TCEHF)00700Commerce and Industry
CHINA UNICOM (CHU)00762Commerce and Industry
China Res Power00836Utilities
PetroChina Company (PTR) 00857Commerce and Industry
CNOOC, Ltd. (CEO)00883Commerce and Industry
China Construction Bank00939Finance
China Mobile (Hong Kong) (CHL)00941Commerce and Industry
China Shenhua Energy Company Ltd01088Commerce and Industry
China Res Land01109Properties
COSCO Pacific Ltd01199Commerce and Industry
Industrial and Commercial Bank of China01398Finance
Foxconn International Holdings Ltd02038Commerce and Industry
Ping An Insurance (PNGAY.PK)02318Finance
Bank of Commerce Holdings (CA) (BOCH)02388Finance
Aluminum Corporation of China (ACH)02600Commerce and Industry
China Life Insurance Company (LFC)02628Finance
Bank of Communications Ltd03328Finance
Bank of China (HKG:3988)03398Finance


  1. Investopedia
  2. Hang Seng Index Selection Criteria
  3. HSI Formula
  4. HSI Formula
  5. HSI Formula
  6. Investopedia.com
  7. Constituent Contribution to Hang Seng Index Change
Wikinvest © 2006, 2007, 2008, 2009, 2010, 2011, 2012. Use of this site is subject to express Terms of Service, Privacy Policy, and Disclaimer. By continuing past this page, you agree to abide by these terms. Any information provided by Wikinvest, including but not limited to company data, competitors, business analysis, market share, sales revenues and other operating metrics, earnings call analysis, conference call transcripts, industry information, or price targets should not be construed as research, trading tips or recommendations, or investment advice and is provided with no warrants as to its accuracy. Stock market data, including US and International equity symbols, stock quotes, share prices, earnings ratios, and other fundamental data is provided by data partners. Stock market quotes delayed at least 15 minutes for NASDAQ, 20 mins for NYSE and AMEX. Market data by Xignite. See data providers for more details. Company names, products, services and branding cited herein may be trademarks or registered trademarks of their respective owners. The use of trademarks or service marks of another is not a representation that the other is affiliated with, sponsors, is sponsored by, endorses, or is endorsed by Wikinvest.
Powered by MediaWiki