public void AddTrade(DateTime timestamp, double price) { currentPrice = price; var dt01 = Helper.AdjustTime(timestamp, 1); AddOrUpdateTick(ref list01, dt01, price); var dt05 = Helper.AdjustTime(timestamp, 5); AddOrUpdateTick(ref list05, dt05, price); var dt15 = Helper.AdjustTime(timestamp, 15); AddOrUpdateTick(ref list15, dt15, price); }