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S&P/HKEx GEM


Introduced in 2003, S&P/HKEx GEM measures the Growth Enterprise Market (GEM) – an alternative stock market operated by Hong Kong Exchanges and Clearing Limited (HKEx).

Index constituents exhibit the following characteristics:
  • Market Coverage – 75% of the GEM Board by market capitalization
  • Weighting – Market capitalization
  • Public Float – Adjusted for available shares
  • Index Calculation – Real-time
  • Reconstitution - Quarterly
Index Governance and Policy
This index is maintained by the S&P Index Committee, comprised of five members representing both Hong Kong exchanges and Clearing Limited (HKEx) and Standard & Poor's. Committee oversight gives investors the benefit of Standard & Poor's depth of experience, research and analytic capabilities, combined with HKEx’s intimate local industry knowledge. It follows a set of published guidelines and policies that provide the transparent methodologies used to maintain the index.
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