The SONAR Weighted Rejection Index (SWRI) is the product of SONAR Truckload Market Share (STMS) and SONAR Truckload Rejection Index Weekly Change (STRIW) for an individual market. The formula is:
STMS x STRIW = SWRI
For example Atlanta’s Market Share value is 4% and the rejections increased from 3% to 5% over the past seven days. The calculation would be:
4 x (5-3) = 8 SWRI
This is also available for Van (SWRIV) and Reefer (SWRIR).
Brokers, Carriers, Shippers, Pricing Analysts
The SWRI gives users a way to prioritize tender rejection rate changes by market size. A change in tender rejection rates in a low volume market are not as significant as a rejection rate change in a larger market. Looking at SWRI by market on a heat map or watchlist allows you to target the most relevant areas on any given day by placing a higher value on larger market changes. In the map below a broker would see dark blue markets and know to price those markets higher today on the spot market and cover any managed transportation freight first that day. The value is not in the number by itself, but in comparison to other market SWRIs.
