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Date/Time: Mon, 17 Mar 2025 11:14:19 +0000



Post From: Bid/Ask Quantity Triggered Condition on Market Replay

[2022-09-01 17:45:04]
User900285 - Posts: 98
Thank you for the information. I have provided a description of the issue I am experiencing.

The issue can be seen when observing how the bid/ask quantity triggered stop order type triggers during a chart replay.

For example you are trading the symbol ESU22 and in the trade window you programmed a bracket order. For the attached stop, the order type is bid ask quantity triggered stop order and the quantity for trigger is set to a value of 20. The stop offset can be set 8 ticks away for this example.

If the parent position is long, this stop order will be a sell stop. The bid quantity at the price of our attached stop will need to drop to 20 or below for the stop to be triggered.

Before doing this test it would be best to set the replay speed slower to around 0.5 or slow enough that you can perceive the changing bid quantities. The chart also needs to be replaying the historical market depth.

1. Enter into a parent long position.
2. Drag the attached stop to a price closer to where the market is trading, but not so close that it would trigger immediately.

What you can observe with this test is when the bid price is 1 tick above the stop price and the bid price momentarily drops to the stop price, the stop order is triggered. Even if the bid quantity at the stop price has not gone below the threshold it will trigger the stop.