OEX Options Expiration Trading Patterns by David K. Moy
ARTICLE SYNOPSIS ...STATISTICS Oex Options Expiration Trading Patterns by David K. Moy
There's a statistically significant bias in the weekly trading of the Standard & Poor's 100 index, in that the week that options expire is noticeably stronger than the week that follows. Statistics that check for significantly different means and ratios can help options traders detect these patterns. Not only that, options expiration patterns can also be useful neural network inputs.
Can the tail wag the dog? It can, if the tail is the expiration of Standard & Poor's 100 index options and the dog is the stock market. These...