The Jaffe reaction is a colorimetric method used in clinical chemistry to determine creatinine levels in blood and urine.
TRIN (finance) The TRIN, or Arms index, developed by Richard Arms in the 1970s, is a short-term technical analysis stock market trading indicator based on the Advance-Decline Data. The name is short for TRading INdex.
Home > Investing > How To Invest > Financial Glossary > T > TRIN. Name derived from TRading INdex. Also known as an ARMS index. The index is usually calculated as the number of advancing issues divided by the number of declining issues. This, in turn, is divided by the advancing volume divided by the declining volume.