when did efx go public

Equifax (EFX) went public on May 11, 1971.

DATEOPENHIGHLOWCLOSEVOLUME
April 2026
$179.17
$185.12
$176.67
$182.39
5,226,208
March 2026
$203.74
$210.55
$166.07
$180.07
33,876,791
February 2026
$200.48
$209.14
$165.57
$208.40
44,291,000
January 2026
$215.95
$228.05
$199.09
$200.86
33,901,800
December 2025
$209.72
$223.59
$207.14
$216.40
32,151,700
November 2025
$208.28
$215.52
$200.55
$211.80
26,433,600
October 2025
$254.22
$257.02
$207.78
$210.04
32,730,200
September 2025
$240.51
$270.47
$232.56
$255.24
21,041,500
August 2025
$238.56
$255.37
$231.57
$244.54
20,758,700
July 2025
$255.22
$273.94
$234.51
$238.51
23,809,200
June 2025
$259.11
$272.37
$242.76
$257.51
17,714,000
May 2025
$256.39
$278.49
$253.76
$262.30
18,483,800
April 2025
$241.36
$258.44
$198.17
$257.78
27,872,200
March 2025
$243.00
$258.17
$229.31
$241.36
22,668,800
February 2025
$265.56
$267.99
$232.20
$242.98
24,152,200
January 2025
$253.86
$278.08
$239.43
$271.86
17,099,600
December 2024
$258.64
$276.14
$247.66
$252.14
19,117,100
November 2024
$263.22
$272.31
$238.27
$258.78
22,490,300
October 2024
$291.33
$291.90
$261.67
$261.80
21,849,100
September 2024
$301.54
$305.86
$285.34
$290.29
20,694,300
August 2024
$274.86
$303.56
$270.97
$303.00
18,029,100
July 2024
$238.81
$278.70
$230.57
$275.62
14,917,300
June 2024
$228.70
$248.78
$225.54
$239.20
15,706,300
May 2024
$216.78
$251.13
$215.14
$228.28
16,894,000
April 2024
$263.95
$265.94
$209.82
$216.88
23,743,600