costco by month 1987-90

Costco Wholesale (COST) had its best month between 1987 and 1990 in November 1990, returning 22.4%.

ASSET MONTH % RETURN
Costco Wholesale (COST)
January 1987
18.7%
Costco Wholesale (COST)
February 1987
13.46%
Costco Wholesale (COST)
March 1987
8.47%
Costco Wholesale (COST)
April 1987
-9.57%
Costco Wholesale (COST)
May 1987
1.76%
Costco Wholesale (COST)
June 1987
3.76%
Costco Wholesale (COST)
July 1987
6.41%
Costco Wholesale (COST)
August 1987
5.26%
Costco Wholesale (COST)
September 1987
-7.04%
Costco Wholesale (COST)
October 1987
-32.97%
Costco Wholesale (COST)
November 1987
-12.9%
Costco Wholesale (COST)
December 1987
21.3%
Costco Wholesale (COST)
January 1988
9.62%
Costco Wholesale (COST)
February 1988
11.89%
Costco Wholesale (COST)
March 1988
-6.25%
Costco Wholesale (COST)
April 1988
2.7%
Costco Wholesale (COST)
May 1988
-5.23%
Costco Wholesale (COST)
June 1988
4.08%
Costco Wholesale (COST)
July 1988
-7.24%
Costco Wholesale (COST)
August 1988
4.61%
Costco Wholesale (COST)
September 1988
5.44%
Costco Wholesale (COST)
October 1988
3.9%
Costco Wholesale (COST)
November 1988
-1.26%
Costco Wholesale (COST)
December 1988
-4.46%
Costco Wholesale (COST)
January 1989
0%