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Australian Market Data
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> Database Maintenance
- Custom Folders

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DATABASE MAINTENANCE

Premium Data maintains your ASX database regularly in order for you to have an accurate record of currently trading securities.

Maintenance is performed on a weekly basis, with maintenance files being published over the weekend to allow the house-keeping to be completed as a stand-alone task.

The following actions are performed as part of database maintenance:

  • Equity prices are adjusted for changes to a company's capital base (such as share splits, consolidations, or capital restructures)
  • De-listed securities and associated trading instruments (eg options & warrants) are moved from the main database into a "De-listed Securities" folder (from where you may delete them at your leisure)
  • Expired company options, warrants, exchange traded options and interest bearing securities are delisted.
  • Securities that have undergone a name or code change are refreshed to reflect the new name or code.
  • Securities that have traded in a deferred settlement mode (usually due to a capital adjustment or rights issue) are merged with their original code.
  • New securities that have been added to the database during the week are assigned their full names.
  • S&P Global Industry Classification Scheme sector lists, S&P/ASX 20/50/100/200/300 index constituents, and ASX short-sellable securities for the Custom Folders are updately weekly.
  • New warrants and options series are assigned a clear name that reflects their expiry date and strike price.