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Phil’s Stock World - Members Section  Oct 21  Comment 
SP 500 and NDX December Futures Daily Charts Courtesy of JESSE'S CAFÉ AMÉRICAIN The market is acting like there is a 'Bernanke Put' underneath it in the form of a handsome QE II to be unveiled at the FOMC in early November. Meanwhile...
MarketWatch  Oct 19  Comment 
U.S. stock futures retained mild losses Tuesday after the Commerce Department estimated new home construction rose 0.3% in September. Futures for the Dow Jones Industrial Average were off 31 points at 11,014. Those for the S&P 500 were off 6.2...
Phil’s Stock World - Members Section  Oct 19  Comment 
Daily Market Commentary: Bulls Start The Week Positively Courtesy of Fallond Stock Picks Markets continued to trade inside their narrowly defined rising channels. Only the semiconductor index disappointed with a lower close - but one which held...
Wall Street Journal  Oct 18  Comment 
Tuesday's start of stock trading could be a bumpy one.
Stock Market Analysis, Trading, And Financial Commentary - Rebel Traders  Oct 15  Comment 
Thanks to Google, Amazon, and Apple the Nasdaq-100 index is approaching the critical resistance point I discussed in previous market videos. Additionally, the US dollar futures index has been teetering around the support channel levels, and...
Phil's Favorites  Oct 15  Comment 
Danger Zone? Nasdaq 100 Courtesy of Chris Kimble Are we entering a “Danger Zone” right now? The phrase “Highway to the Danger Zone“  (theme song here) became popular due to the movie “Top Gun,” starring Tom...
Phil’s Stock World - Members Section  Oct 14  Comment 
Danger Zone? Nasdaq 100 Courtesy of Chris Kimble Are we entering a “Danger Zone” right now? The phrase “Highway to the Danger Zone“  (theme song here) became popular due to the movie “Top Gun,” starring Tom Cruise.  I...
Daily FX  Oct 14  Comment 
The NASDAQ 100 Index, which is made up of 100 of the largest domestic and international non-financial securities listed on The Nasdaq Stock Market, has moved up to print a new multi-year high.
MarketWatch  Oct 13  Comment 
PowerShares QQQ, which tracks the Nasdaq 100 index, rallies to 52-week high
TheStreet.com  Oct 6  Comment 
The top 10 stocks in the Nasdaq 100 could be at risk of dropping if the commercial traders are right with their short positions.




 
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The Nasdaq 100 Index is a modified capitalization-weighted index designed to track the performance of a market consisting of the 100 largest and actively traded non-financial domestic and international securities listed on the Nasdaq exchange. Also called the NDX, this is one of the few indices in the United States which have foreign companies with stocks issued on the exchange, as constituents.

Calculations and Weighting

The NASDAQ 100 index is structured as a hybrid between equal weighting and capitalization weighting. It is similar to a general market cap with one main difference: the largest stocks are capped to a percent of the weight of the total stock index and the excess weight will be redistributed equally amongst the stocks under that cap. Unfortunately, due to changes in stock prices, constant updating for the NASDAQ 100 is required. The market capitalization for each stock used in the calculation of the index is redefined so that each index constituent has an equal weight in the index at each re-balancing date.

Thus, the basic formula used for the index calculations is:

  • Adjusted Market Value= Price of shares*Number of shares outstanding * Free float factor * Adjusting Weight Factor

The Adjusting Weight factor of a stock is assigned to the stock at each re-balancing date, which makes the stock value for each stock equal. For index component, the value would be: [1]:

  • Factor = Index specific constant "Z" * user defined weight of the stock/(Adjusted market value before re-balancing)

For more information on how stock indices are calculated, go to how stock indices work.

Composition

Eligibility

  • To be included in the Index, a stock must have a minimum average daily trading volume of 100,000 shares. *Generally, companies on the Index also must have traded on Nasdaq, or been listed on another major exchange, for at least two years.[2].
  • The company has to be incorporated within the United States for atleast 2 years.

List of companies

The List of stocks on the NASDAQ 100 as of 22 October 2008[3]

  1. Activision Blizzard (ATVI)
  2. Adobe Systems (ADBE)
  3. Akamai Technologies (AKAM)
  4. Altera (ALTR)
  5. Amazon.com (AMZN)
  6. Amgen (AMGN)
  7. Amylin Pharmaceuticals (AMLN)
  8. Apollo Group (APOL)
  9. Apple (AAPL)
  10. Applied Materials (AMAT)
  11. Autodesk (ADSK)
  12. Baidu.com (BIDU)
  13. Bed Bath & Beyond (BBBY)
  14. Biogen Idec (BIIB)
  15. Broadcom (BRCM)
  16. C.H. Robinson Worldwide (CHRW)
  17. CA (CA)
  18. Cadence Design Systems (CDNS)
  19. Celgene (CELG)
  20. Cephalon (CEPH)
  21. Check Point Software Technologies (CHKP)
  22. Cintas (CTAS)
  23. Cisco Systems (CSCO)
  24. Citrix Systems (CTXS)
  25. Cognizant Technology Solutions (CTSH)
  26. Comcast (CMCSA)
  27. Costco Wholesale (COST)
  28. Dell (DELL)
  29. DENTSPLY International (XRAY)
  30. Discovery Holding Co (DISCA)
  31. EchoStar Communications (DISH)
  32. EBay (EBAY)
  33. Electronic Arts (ERTS)
  34. Expedia (EXPE)
  35. Expeditors International of Washington (EXPD)
  36. Express Scripts (ESRX)
  37. Fastenal Company (FAST)
  38. Fiserv (FISV)
  39. Flextronics International (FLEX)
  40. FLIR Systems (FLIR)
  41. Focus Media Holding (FMCN)
  42. Foster Wheeler (FWLT)
  43. Garmin (GRMN)
  44. Genzyme (GENZ)
  45. Gilead Sciences (GILD)
  46. Google (GOOG)
  47. Hansen Natural (HANS)
  48. Henry Schein (HSIC)
  49. Hologic (HOLX)
  50. IAC - InterActiveCorp (IACI)
  51. Infosys Technologies (INFY)
  52. Intel (INTC)
  53. Intuit (INTU)
  54. Intuitive Surgical (ISRG)
  55. Joy Global (JOYG)
  56. Juniper Networks (JNPR)
  57. KLA-Tencor (KLAC)
  58. Lam Research (LRCX)
  59. Lamar Advertising Company (LAMR)
  60. Leap Wireless International (LEAP)
  61. Level 3 Communications (LVLT)
  62. Liberty Global (LBTYK)
  63. Liberty Media (LINTA)
  64. Linear Technology (LLTC)
  65. Logitech International S.A. (LOGI)
  66. Marvell Technology Group (MRVL)
  67. Microchip Technology (MCHP)
  68. Microsoft (MSFT)
  69. Millicom International Cellular S.A. (MICC)
  70. Monster Worldwide (MNST)
  71. Network Appliance (NTAP)
  72. NII Holdings (NIHD)
  73. NVIDIA (NVDA)
  74. Oracle (ORCL)
  75. PACCAR (PCAR)
  76. Patterson Companies (PDCO)
  77. Paychex (PAYX)
  78. PETsMART (PETM)
  79. QUALCOMM (QCOM)
  80. Research in Motion (RIMM)
  81. Ryanair Holdings (RYAAY)
  82. SanDisk (SNDK)
  83. Sears Holdings (SHLD)
  84. Sigma-Aldrich (SIAL)
  85. Sirius Satellite Radio (SIRI)
  86. Staples (SPLS)
  87. Starbucks (SBUX)
  88. Steel Dynamics (STLD)
  89. Stericycle (SRCL)
  90. Sun Microsystems (JAVA)
  91. Symantec (SYMC)
  92. Teva Pharmaceutical Industries (TEVA)
  93. The DirecTV Group (DTV)
  94. VeriSign (VRSN)
  95. Vertex Pharmaceuticals (VRTX)
  96. Virgin Media (VMED)
  97. Whole Foods Market (WFMI)
  98. Wynn Resorts (WYNN)
  99. Xilinx (XLNX)
  100. Yahoo! (YHOO)

Foreign companies on the NDX

  • Infosys Technologies
  • Teva Pharmaceuticals
  • Check point Software Technolgies
  • Ryanair Holdings
  • Flextronics
  • Millicom International Cellular
  • Research in Motion
  • Flextronics International
  • Logitech International S.A.
  • Foster Wheeler
  • Marvell Technology Group
  • Baidu.com
  • Garmin Limited

References

  1. Calculating Modified Market Capitalized index
  2. SEC Market Indices Page
  3. NASDAQ 100 Index
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