The closing price for International Business Machines (IBM) in May 1966 was $1.78, on May 31, 1966. It was down 2.4% for the month. The latest price is $249.17.

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
May 31 1966	$1.82	$1.82	$1.77	$1.78	301,248
May 27 1966	$1.82	$1.83	$1.80	$1.82	539,736
May 26 1966	$1.82	$1.82	$1.81	$1.82	464,424
May 25 1966	$1.83	$1.83	$1.81	$1.82	681,992
May 24 1966	$1.82	$1.84	$1.82	$1.83	832,616
May 23 1966	$1.80	$1.83	$1.80	$1.81	903,744
May 20 1966	$1.77	$1.77	$1.75	$1.77	577,392
May 19 1966	$1.77	$1.79	$1.77	$1.78	928,848
May 18 1966	$1.74	$1.74	$1.71	$1.73	523,000
May 17 1966	$1.70	$1.71	$1.69	$1.69	445,596
May 16 1966	$1.70	$1.71	$1.70	$1.70	426,768
May 13 1966	$1.72	$1.72	$1.69	$1.70	640,152
May 12 1966	$1.74	$1.74	$1.72	$1.72	439,320
May 11 1966	$1.73	$1.75	$1.73	$1.74	533,460
May 10 1966	$1.70	$1.73	$1.70	$1.72	558,564
May 09 1966	$1.73	$1.73	$1.70	$1.70	514,632
May 06 1966	$1.75	$1.75	$1.70	$1.74	640,152
May 05 1966	$1.79	$1.79	$1.76	$1.76	301,248
May 04 1966	$1.82	$1.82	$1.79	$1.80	251,040
May 03 1966	$1.83	$1.83	$1.81	$1.82	225,936
May 02 1966	$1.82	$1.84	$1.82	$1.83	263,592

Daily pricing data for International Business Machines dates back to 1/2/1962, and may be incomplete.