ExpirationSecuritySettings

public int? Decimals { get; set; }

value = expirationSecuritySettings.Decimals
expirationSecuritySettings.Decimals = value

Number of digits in price after coma.

public decimal? PriceStep { get; set; }

value = expirationSecuritySettings.PriceStep
expirationSecuritySettings.PriceStep = value

Minimum price step.

public decimal? VolumeStep { get; set; }

value = expirationSecuritySettings.VolumeStep
expirationSecuritySettings.VolumeStep = value

Minimum volume step.