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Date/Time: Tue, 30 Jun 2026 00:21:52 +0000



How to draw a horizontal line extending from the low of a breako

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[2026-06-29 20:35:08]
Stevepham - Posts: 1
Hello Sierra Chart Support Team,
I am working on a Spreadsheet Study (Color Bar Based On Alert Condition) to mark breakout candles based on custom conditions.
I have already successfully implemented:
  •  Arrow markers (up/down) above/below candles
  •  Dot markers on candles
However, I am unable to figure out how to draw a horizontal dashed line extending from the Low of the breakout candle to the right, until price touches that level.
Specifically:
  •  The line should be drawn at the Low price of the candle that meets the breakout condition
  •  The line should extend to the right across subsequent bars
  •  The line should stop (or visually end) when a future candle’s Low touches or crosses that price level
Could you please advise:
  1.  Which Draw Style setting in the Subgraphs tab should I use to achieve this?
  2.  Is this possible within a Spreadsheet Study, or does it require an ACSIL (C++) custom study?
  3.  If ACSIL is required, could you point me to the relevant function or example?
Thank you for your assistance.
Best regards
Private File
[2026-06-29 20:38:40]
John - SC Support - Posts: 46952
This is something you should be able to do in a Spreadsheet Study. You would check for your condition to be true, and then grab the particular value you want and put it into that cell, then continue that value in each of the above cells until a bar has that same value.

In doing this, you are creating a line in that area.

1. You would use a "Draw Style" of "Line" associated with the particular Spreadsheet column that contains your data. If you want a dashed line, then set the line style to dash.

2. See above.

3. See above.
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