Support Board
Date/Time: Mon, 25 Nov 2024 18:26:38 +0000
Some more alert help please...
View Count: 250
| [2024-02-06 19:30:36] |
| User666015 - Posts: 49 |
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Hi all, I have been trying for a couple of hours without success to make an alert for when two EMA lines crossover - but only when within a certain tick range of a VWAP line, I've tried every combination of ANDs and ORs that I can think of but the alert goes off when the EMAs crossover whether within the tick range of the VWAP line or not. Here's what I've come up with: =AND(CROSSOVER(ID1.SG1, ID8.SG1), (OR(C>=ID14.SG1-TICKSIZE*4,C<=ID14.SG1+TICKSIZE*4))) Where am I going wrong please? Thanks, Bill |
| [2024-02-06 20:19:40] |
| cmet - Posts: 551 |
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Here's a long form not using the crossover with individual long and short. Might help help you out. I'm assuming ID14 is your VWAP. Long: AND(ID1.SG1 > ID8.SG1, ID1.SG1[-1] < ID8.SG1[-1], ID1.SG1 >= ID14.SG1 + 4*TICKSIZE) Short: AND(ID1.SG1 < ID8.SG1, ID1.SG1[-1] > ID8.SG1[-1], ID1.SG1 <= ID14.SG1 - 4*TICKSIZE) |
| [2024-02-06 20:53:12] |
| User719512 - Posts: 264 |
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The key to debug your alert formula is breaking down the pieces and ensuring each piece works. Does CROSSOVER(ID1.SG1, ID8.SG1) work as expected? Does C>=ID14.SG1-TICKSIZE*4 work as expected? Then you can see you need to tweak that part to be more like what cmet posted. AND(C<ID14.SG1, C>=ID14.SG1-TICKSIZE*4) ^^ this might be correct based on my assumptions of your intended alert. If not, it should put you on the correct path. Then your original solution might work as: AND(CROSSOVER(ID1.SG1, ID8.SG1), OR(AND(C < ID14.SG1, C>=ID14.SG1-TICKSIZE*4), AND(C > ID14.SG1, C<=ID14.SG1+TICKSIZE*4))) Note, you can use multiple lines in alert formulas, but the dialog is small for that sometimes but can help readability. AND(CROSSOVER(ID1.SG1, ID8.SG1),
OR(AND(C<ID14.SG1, C>=ID14.SG1-TICKSIZE*4), AND(C>ID14.SG1, C<=ID14.SG1+TICKSIZE*4) ) ) Date Time Of Last Edit: 2024-02-06 20:53:43
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| [2024-02-07 16:57:39] |
| User666015 - Posts: 49 |
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Thank you both for your expert help, and the help explaining where I am going wrong! I now have some time to test these approaches and incorporate into my charts. Cheers, Bill |
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