SecuritySettings

public int? Decimals { get; set; }

value = securitySettings.Decimals
securitySettings.Decimals = value

Number of digits in price after coma.

public decimal? PriceStep { get; set; }

value = securitySettings.PriceStep
securitySettings.PriceStep = value

Minimum price step.

public decimal? VolumeStep { get; set; }

value = securitySettings.VolumeStep
securitySettings.VolumeStep = value

Minimum volume step.