TRIN Arms Index: The Market’s “Other” Panic Indicator Just Went Off The Charts

With indicators from macro-fundamentals (e.g. retail sales, core capex, inventory-to-sales) to market-oriented measures (VIX levels and backwardation, HY credit spreads, commodity prices)all flashing various colors of dead canary in the coal-mine red, we thought today’s colossal spike in the Arms (TRIN) Index was a notable addition.
An Arms Index value above one is bearish, a value below one is bullish and a value of one indicates a balanced market. Traders look not only at the value of the index, but also at how it changes throughout the day. Traders look for extremes in the index value for signs that the market may soon change directions. The Arm’s Index was invented by Richard W. Arms, Jr. in 1967. In essence, a sudden surge in the TRIN indicates a jump in trader lack of confidence, as everyone scrambles to either go long the 2-3 rising stocks, or to sell or short the biggest decliners, ignoring the bulk of the market..
Today’s move was far greater than “Black Monday’s market-halting crash:


In longer context:

As we noted previously, the Arms index is an indicator of market breadth essentially tracks lemming like momentum-chasing behavior with respect to volume… meaning today sawpanic-buying volumes which given that it was dip-buyers at the close, we suspect won’t end well…