Comparative Relative Strength Index
CRSI (Vector1, Vector2)
The Comparative Relative Strength Index or also commonly known as the Relative Strength Comparison compares one vector with another.
The base vector is outperforming the other vector when the CRSI is trending upwards.
set BUY = CRSI(CLOSE, VOLUME) > 1
Evaluates to buy when the trend in price has outpaced the trend in volume.