Whenever the stock market closes lower on both Thursday and Friday of options expiration, it's a short-term danger sign for the first 1-2 days following expiration.
Those of you who've been around for some time probably remember the '87 crash. What you may not remember is that the market was headed sharply lower during the week preceding the crash, and that the crash occurred on the day right after options expiration.
Below is a list of all instances over the past fifteen years in which the S&P closed down on both Thursday and Friday of options expiration. Note that in the majority of cases, the S&P posted another lower close (below Friday's level) within two sessions...
07/22/02 - ???????
06/21/02 - Lower close
02/15/02 - Lower S&P close on Monday
09/21/01 - No lower close
06/15/01 - Lower S&P close on Monday
12/15/00 - Lower S&P close on Tuesday
09/15/00 - Lower S&P close on Monday
05/19/00 - Lower S&P close on Monday
02/18/00 - Lower S&P close on Thursday
01/21/00 - Lower S&P close on Monday
05/21/99 - Lower S&P close on Monday
08/21/98 - Lower S&P close on Thursday
06/19/98 - No lower close
05/15/98 - Lower S&P close on Monday
12/97/97 - Lower S&P close on Tuesday
10/17/97 - Lower S&P close on Friday
07/18/97 - Lower S&P close on Monday
02/21/97 - Lower S&P close on Thursday
02/16/96 - Lower S&P close on Monday
12/15/95 - Lower S&P close on Monday
08/18/95 - Lower S&P close on Monday
01/20/95 - Lower S&P close on Tuesday
11/18/94 - Lower S&P close on Monday
10/21/94 - Lower S&P close on Monday
04/15/94 - Lower S&P close on Monday
02/18/94 - Lower S&P close on Wednesday
09/17/93 - Lower S&P close on Monday
07/16/93 - Lower S&P close on Thursday
05/15/92 - No lower close
08/16/91 - Lower S&P close on Monday
04/19/91 - Lower S&P close on Monday
08/17/90 - Lower S&P close on Tuesday
04/20/90 - Lower S&P close on Tuesday
12/15/89 - Lower S&P close on Monday
08/19/88 - Lower S&P close on Monday
10/16/87 - Lower S&P close on Monday
In 31 of the past 34 occurrences, or 91% of the time stretching back to 1987, the S&P has closed below Friday's level within one week. And in roughly 75% of the cases the S&P posted a lower close within two days, with the most likely day for a selloff being Monday.
Those of you who've been around for some time probably remember the '87 crash. What you may not remember is that the market was headed sharply lower during the week preceding the crash, and that the crash occurred on the day right after options expiration.
Below is a list of all instances over the past fifteen years in which the S&P closed down on both Thursday and Friday of options expiration. Note that in the majority of cases, the S&P posted another lower close (below Friday's level) within two sessions...
07/22/02 - ???????
06/21/02 - Lower close
02/15/02 - Lower S&P close on Monday
09/21/01 - No lower close
06/15/01 - Lower S&P close on Monday
12/15/00 - Lower S&P close on Tuesday
09/15/00 - Lower S&P close on Monday
05/19/00 - Lower S&P close on Monday
02/18/00 - Lower S&P close on Thursday
01/21/00 - Lower S&P close on Monday
05/21/99 - Lower S&P close on Monday
08/21/98 - Lower S&P close on Thursday
06/19/98 - No lower close
05/15/98 - Lower S&P close on Monday
12/97/97 - Lower S&P close on Tuesday
10/17/97 - Lower S&P close on Friday
07/18/97 - Lower S&P close on Monday
02/21/97 - Lower S&P close on Thursday
02/16/96 - Lower S&P close on Monday
12/15/95 - Lower S&P close on Monday
08/18/95 - Lower S&P close on Monday
01/20/95 - Lower S&P close on Tuesday
11/18/94 - Lower S&P close on Monday
10/21/94 - Lower S&P close on Monday
04/15/94 - Lower S&P close on Monday
02/18/94 - Lower S&P close on Wednesday
09/17/93 - Lower S&P close on Monday
07/16/93 - Lower S&P close on Thursday
05/15/92 - No lower close
08/16/91 - Lower S&P close on Monday
04/19/91 - Lower S&P close on Monday
08/17/90 - Lower S&P close on Tuesday
04/20/90 - Lower S&P close on Tuesday
12/15/89 - Lower S&P close on Monday
08/19/88 - Lower S&P close on Monday
10/16/87 - Lower S&P close on Monday
In 31 of the past 34 occurrences, or 91% of the time stretching back to 1987, the S&P has closed below Friday's level within one week. And in roughly 75% of the cases the S&P posted a lower close within two days, with the most likely day for a selloff being Monday.

