DayByDay
5 posts
msg #126907
- Ignore DayByDay |
1/25/2016 5:17:29 PM
Hi,
How to calculate intraday RSI(2) like StockFetcher does it?
When a historical daily data is available it is clear.
Average Gain = [(previous Average Gain)*(2-1)+ current Gain] / 2.
Average Loss = [(previous Average Loss)*(2-1) + current Loss] / 2.
RS(2) = Average Gain/ Average Loss
RSI(2) = 100 – 100(1+ RS(2))
Here the divider 2 represent the 2 day period while as “previous” averages gains and losses are determined using the same formula.
However, when the price changes during the day I am not sure how to calculate averages. What does become the “previous” value? Are these the values of the previous day? For one thing, they are static values. Secondly, how do we obtain these values?
Any help would be greatly appreciated…
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four
5,087 posts
msg #126911
- Ignore four
modified |
1/25/2016 11:20:34 PM
Delay times are at least
15 mins for NASDAQ
20 mins for NYSE and Amex
StockFetcher quote, "We currently do not have plans to provide screens based on intraday intervals (minutes, hours.)."
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marine2
963 posts
msg #126912
- Ignore marine2 |
1/25/2016 11:48:30 PM
Question is, does StockFetcher have the capabilities to provide that service? If so, what is the hold back? Is it too costly in providing that service or is it the big investment houses requesting SF in not providing that service. I call that blocking. Myself, I don't play the day trading game but I am sure many do.
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DayByDay
5 posts
msg #126913
- Ignore DayByDay |
1/26/2016 12:34:52 AM
Hi There,
I am not requesting StockFetcher to provide an instant information. This is not the issue. All I want is to have the right formula to calculate the intraday data. I am familiar with the general formula, but in the case of intraday calculations, it isn't clear how to calculate the average gain and loss, simply because it is not clear what were the previous average gain and loss. StockFetcher does it, though. You can see that the intraday RSI is changing every time the price changes. How does it compute it?
Thank you
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four
5,087 posts
msg #126914
- Ignore four
modified |
1/26/2016 12:38:31 AM
Who do I contact if I have a question?
If you can't find your answer in our help system, feel free to send email to support@stockfetcher.com if you have a question. We try to answer your questions within 24 hours Monday-Friday.
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stockfetcher
979 posts
msg #126926 |
1/26/2016 9:45:21 AM
Hi,
Hopefully we can answer your question. Because StockFetcher treats intraday price updates as the "current day" we simply replace the most recent quote for the current day and use the prior market date as "n-1". There is no aggregating of prior intraday values when calculating this measure.
Hope that helps!
StockFetcher Support
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DayByDay
5 posts
msg #126936
- Ignore DayByDay |
1/26/2016 11:55:20 AM
Was able to match your data. Thank you!
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