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Concentrations

The Concentrations tab allows you to increase margin requirements when the portfolio is highly concentrated in one or two positions.

To create a rule, click Add rule and configure the following parameters:

• Enabled - enables the rule;
• Instruments group - instrument group for which concentration is calculated;
• Single threshold - share of a single position at which the increased margin requirement is applied;
• Multiple threshold - combined share of the two largest positions at which the increased margin requirement is applied;
• Leverage - margin rate applied when the rule is triggered.

The position share for checking Single threshold is calculated relative to the greater of the Portfolio market value and the Margin balance of the account:

Position market value / Max(Portfolio market value, Margin balance)

For Multiple threshold, the combined value of the two largest positions is used in the same way:

(First position market value + Second position market value) / Max(Portfolio market value, Margin balance)

When the rule is triggered, the increased rate is applied to the positions that meet the concentration condition. If the base rate for a position is higher than the Leverage value, the base rate is used.

The rule applies simultaneously to both Initial and Maintenance margin configured in Margin settings.