A study that measures the average monthly gross commission fetched by full-time brokers at banks found productivity fell 6.6%, to $23,946 in September, continuing its recent slide.

But an index that measures bank brokerage revenue increased two points in September, to 97, according to the study by Kenneth Kehrer Associates Inc. of Princeton, N.J., which was done for the Bank Securities Association.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.