[source:F64]
         ┌────────└─┐──────┐
         ↓          ↓      │
     [SMA(2)]   [SMA(4)]   │
         └────┌─────┘      │
              ↓     ┌──────┘
            [Sub]   │
              │     │
              ↓     └────┐
       [Exposure(0.5)]   │
       ┌──────┘─────────┐│
       ↓                ↓┘
  [Recorder]   [SimBroker(0.0001)]
                  ┌─────┘
                  ↓
             [Recorder]