Home / API Reference / StockSharp.Deribit DeribitOrderTriggers StockSharp.Deribit Triggers. Fields Index public const DeribitOrderTriggers Index value = DeribitOrderTriggers.Index Index price. Last public const DeribitOrderTriggers Last value = DeribitOrderTriggers.Last By last price. Mark public const DeribitOrderTriggers Mark value = DeribitOrderTriggers.Mark Mark price.