Volume Spread Analysis Indicator based on the methodology VSA developed originally by Richard Wyckoff and then computerized and further developed by Tom Williams.

The Indicator work best on low TF.

General Rules

Arrows:

• Arrows below a bar mean strength
• Arrows above a bar mean weakness

Colors:

• YellowGreen, Green - signals of strength
• Magenta, Red - signals of weakness
• Yellow - signal of caution
• YellowGreen is stronger signal than green 
• Magenta is stronger signal than red