Probacktest the trade doesn’t trigger but in the live market it does!

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06/05/2026 at 4:19 AM #261764 quote

Stam
Participant

New

Hello all,

Can anyone help me understand why in Probacktest a trade doesn’t trigger but in the live market it does??? I am with IG, it has happened twice now, I have raised a query with them about two weeks ago and haven’t heard back yet.
I am hoping that someone can shade some light on this? My entries are stop entries, and I am accounting for spread. I looked at the ask price on the IG platform for the buy order, and the condition of adding extra points about the previous candle high were not met.
Thank you in advance to all the wise oracles out there!

06/05/2026 at 9:52 AM #261767 quote

Nicolas
Keymaster

Legend

I bet on spread differences between backtest and live.
What do you mean by “accounting for spread”?

06/05/2026 at 11:00 AM #261770 quote

turame
Participant

Master

Hello Stam,
Ok you are accounting for spread. But when you backtest, the spread you choose is fixed. However, the spread at IG is variable. I don’t know the time periods during which you trade your strategy, but if you trade at all hours of the day, you will inevitably see differences between the backtest and the actual results.
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Probacktest the trade doesn’t trigger but in the live market it does!

ProOrder: Automated Strategies & Backtesting

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Stam @stam Participant

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This topic contains 2 replies,
has 3 voices, and was last updated by turame
23 hours, 57 minutes ago.

Topic Details

Forum:	ProOrder: Automated Strategies & Backtesting
Language:	English
Started:	06/05/2026
Status:	Active
Attachments:	No files

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