Chinese Stocks Face Derivatives-Driven Trigger Of Doom

Despite the collapse in Chinese stocks, Bloomberg reports annual sales of Chinese equity-linked structured notes across AsiaPac rose to a record (prompting Korea's financial regulator to warn investors in August that their holdings had become too concentrated in notes tied to the China H-Shares index). When banks sell the structured products to investors, they take on an exposure that's similar to purchasing a put option on the index...