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Adding Columbus Day to the American Holiday List
Monday, October 12, 1998 (Columbus Day) is a relatively new exchange
holiday, and it is not listed in the Omega Research Server Holiday List.
Therefore, unless you add the holiday to the Holiday List, all exchanges
that are closed on Columbus Day will broadcast the daily settlement prices
from Friday, October 9 again on Monday, October 12. To ensure normal data
collection, you need to add the holiday to the American Holiday List.
This document explains:
A. How to add the holiday to the Holiday List.
B. What to do after the holiday if you did not add the holiday to the
Holiday List.
C. Frequently asked questions about holidays in general.
A. How to add the holiday to the Holiday List:
1. In the Omega Research Server, use the Tools - Holiday Setup menu
sequence.
2. Highlight American Holidays.
3. Click Edit List.
4. Click Add Date.
5. In the Date field, type 10/12/98.
6. Type Columbus Day in the Description field.
7. Click OK.
8. Click OK.
9. Click Close.
Note: You must set up the holiday by Sunday, 10/11/98 11:59pm. If it is not,
you will need to perform Step B on the day after the holiday.
B. What to do after the holiday if you did not add the holiday to the
Holiday List:
If you did not add the holiday to the Holiday List prior to the holiday, the
server will collect daily settlement prices for the holiday, which will
simply be a duplication of the previous day's settlement prices. Therefore,
you will need to delete the daily data for the holiday. To do so:
1. In the Omega Research Server, use the File - Delete menu sequence.
2. Remove the check next to Intraday.
3. On the Daily line, set the Start Date to 10/12/98.
4. On the Daily line, set the End Date to 10/12/98.
5. Click Add by.
6. Highlight all affected (most domestic) exchanges (Hold down the CTRL key
while clicking the exchanges).
7. Click OK.
8. Click OK.
9. In the "Delete data?" dialog box, click Yes.
C. Frequently asked questions about holidays in general:
Q: Why is there a Holiday List?
A: Our server is scheduled to collect daily data after the close of each
market on the days scheduled in the symbol/exchange universe. All of our
compatible data feeds will continue to send the previous business day's
daily prices (also known as refresh, settlement, or daily data) during the
holiday. If a regularly scheduled day is a holiday (or non-trading day) and
the holiday is listed in the Holiday List, the server will not collect this
duplicate daily data. However, if the holiday is not listed in the Holiday
List, the server will collect the same daily data two days in a row.
Obviously, this will alter any technical analysis, which is why it is
necessary to either a) setup the holiday in advance or b) delete the
duplicated daily data after it has been collected.
Q: What other problems can I expect on the day after the holiday?
A: Your intraday and/or daily charts might contain gaps, which can alter
results of any technical analysis. For example, when calculating a trend
line, you should not include days with no trading.
Q: How can I fix this "time gap" problem?
A: From the TradeStation or SuperCharts main menu, use the Tools - Options
menu sequence. Click on the Price Data tab. Clear the checks from the first
two check boxes in the dialog box and click OK. This removes all of the gaps
on every intraday and daily chart on every workspace.
Q: Doesn't that throw off my trend line analysis if there really is a time
gap that's not due to the holiday?
A: Yes. However, most traders aren't too concerned about this because
trading (most of the time) is constant throughout the day.
Q: What about people who trade international markets that are open on the
holiday?
A: When you follow the directions in this document, you are only altering
the Holiday List for the affected exchanges you specify. Data collection
from other exchanges will not be affected.
Please contact our Customer Support Center if you need further assistance
with or have any questions about the above information.
Melody A. Blais
Omega Research, Inc.
Customer Support Supervisor
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