Overview :
Speed Resistance Lines (“SRL”), sometimes called 1/3-2/3 lines, are a series of trendlines that divide a price move into three equal sections. They are similar in construction and interpretation to Fibonacci Fan Lines.
Interpretation :
Speed Resistance Lines display three trendlines. The slope of each line defines a different rate at which pricing expectations are changing.
Prices should find support above the 2/3 line. When prices do fall below the 2/3 line, they should quickly drop to the 1/3 line where they should then again find support.
Example:
The following charts show McDonald’s price and Speed Resistance Lines.






