When we talk about Alert Lines and Order Cancellation Lines, we frequently use the phrase valid straight lines. NinjaTrader has many different drawing objects available, but very few of them are well suited to be Alert Lines or Order Cancellation Lines. Because of this, we support the 4 line types in NinjaTrader that lend well to defined price levels. Those 4 line types are:
- Horizontal Line
- Extended Line
- Line (segment)
- Ray