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US Market Data
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- Update Schedule: March
> Update Schedule: April to September
- Update Schedule: October
- Update Schedule: November to February

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Update Schedule

March April to September October November to February  
Your Time Zone Local Update Times
Preliminary Final
UTC/GMT 21:00 23:30-00:15
Sydney 07:00 09:30-10:15
Japan, Korea 06:00 08:30-09:15
China, Hong Kong, Singapore 05:00 07:30-08:15
India 02:30 05:00-05:45
Moscow 01:00 03:30-04:15
Eastern Europe, Greece, Turkey 00:00 02:30-03:15
South Africa 23:00 01:30-02:15
Central Europe, Germany, France, Italy 23:00 01:30-02:15
United Kingdom, Ireland, Portugal 22:00 00:30-01:15
New York, Montreal 17:00 19:30-20:15
Chicago, Kansas City, Winnipeg 16:00 18:30-19:15

Notes:
Update times marked in red represent times on the following day.

Daylight Savings Time transitions occur during March, April, October and November. As different countries switch on different days, as well as in different months, the Schedule may sometimes be out by an hour for your particular time zone. Such discrepancies should only persist for a few days during transition periods.

Edition Data Included
Preliminary This is an update on the market close - mainly for price information. Such information has not yet been checked for full accuracy and may not include all stock data.
Final This edition provides the official data for all securities. All maintenance is also performed on this snapshot.

The Editions are "incremental", with each building on the previous until the Final Edition covers everything. Users may update as often as they like in order to obtain the latest Edition (or a revised version of the latest Edition). Times shown are approximate. If data is missing from one Edition, it may be included in a later revison of that Edition. Otherwise, it should appear in the Final Edition.