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Date/Time: Mon, 21 Apr 2025 04:35:54 +0000



Period OHLC-Variable Period

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[2022-09-21 15:21:11]
User98657 - Posts: 354
Have you changed the study "Period OHLC-Variable Period"?

I've been using this study on a daily chart to plot the All Time High (ATH) and Low. I'm using it on a daily chart, Time Period Type = Days, Time Period Length = 320.

It has always worked fine, until yesterday when it started reporting yesterday's high, and now today's high, in both the ES and the RTH as the ATH, which they are not, obviously.

Wondering if you made any internal changes that may have caused that to happen. I have not updated the version in the past week (updated the Sunday of the Roll over a week ago, R43275)

Thanks.
[2022-09-21 17:03:22]
John - SC Support - Posts: 39362
If you have not updated your software then it is not possible for there to be any changes to that study on your system.

Additionally, we do not believe there have been any changes to that study (I can't check for sure right now).
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[2022-09-27 11:24:51]
User98657 - Posts: 354
John,

I was able to get this to work by finding the right combination of time period and number. For whatever reason, using 320 days had started causing it to report the current day's high as the high of the data set which spanned 3 years or so. Using too many days caused a problem, using too few also (as you would expect) also caused inaccurate results.

When I switched to Years, and 5 it worked. Not sure why, but that's what I found.
[2025-03-08 22:54:32]
JCFisher - Posts: 1
Period OHLC-Variable Period
is there a way to add expansion levels without having to draw them using the tool but rather an add-on feature to this great Study? For instance if I have set to show HL for every 4 hour period I would like for it to also draw 50% and 100% beyond the high and low of the range (same as if i used the expansion tool and selected the high and low for each 4H period. But this way it would automatically draw them. Thank you for your consideration
[2025-03-09 01:21:23]
Sierra_Chart Engineering - Posts: 19285
Refer to:
Using the Basic Arithmetic Studies
Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

For the most reliable, advanced, and zero cost futures order routing, use the Teton service:
Sierra Chart Teton Futures Order Routing

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