Airline Stocks (*FLIER)

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Institutional Holdings Disclaimer

Pro portfolios track the top 15 quarterly holdings of more than 1,400 institutions. Comments in Pro portfolios show the institution's change in shares held for each company quarter over quarter.

Pro portfolio performance is based on institutions' top 15 holdings as disclosed in quarter-end filings with the SEC. Pro performance does not take into account additional holdings beyond the top 15 nor does it include positions that are not required to be disclosed by the SEC. As such, Pro portfolio performance should be considered an approximation and not a precise record of how an institution has performed over time.

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To calculate "all-time" Pro performance, we combine all of the quarterly holdings reports for that Pro investor. The initial date used is the start date of the first quarterly holdings report we have in our database. Start dates vary based on the first quarterly holdings report we have for each Pro. Please see our Institutional Holdings Disclaimer (located at the bottom of this page) for more on how we calculate Pro portfolio performance estimates. tickerspy is not affiliated with any of Pro investors profiled on our web site.

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Primary portfolio

We look at the recent net stock adds (people adding a stock to their portfolio minus people removing it) and compare against the company's previous history to identify those companies that are seeing the largest changes on a relative basis. Without the company history comparison, our most followed companies would likely be near the top of the list at all times. A value greater than one indicates a greater than normal number of adds over the last seven days, and a value less than one indicates a less than normal number of adds. If no value is shown, there was not enough activity to generate a value.

We look at the recent net stock shorts (people shorting it in their portfolios minus people covering their short) and compare against the company's previous history to identify those companies that are seeing the largest changes on a relative basis. A value less than -1 (for example -3.6) indicates a greater than normal number of shorts over the last seven days, and a value greater than -1 (for example -0.6) indicates a less than normal number of adds. If no value is shown, there was not enough activity to generate a value.

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Let us know which tickers should be added or removed from the Airline Stocks Index (*FLIER).

Note: Our tickerspy research team will look at all recommendations but not all of them will be implemented. As a general rule, stocks with a market cap below $50 million will not be included.

Got an idea for an Index we don't have listed? Send it, and our research team will consider it for inclusion.

Note: Our tickerspy research team look at all recommendations but not all of them will be implemented. As a general rule, stocks with a market cap below $50 million will not be included.

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