when did fair isaac go public

Fair Isaac (FICO) went public on July 22, 1987, when it opened at a split-adjusted price of $1.23.

DATEOPENHIGHLOWCLOSEVOLUME
October 2026
$635.00
$764.00
$609.00
$723.03
14,385,520
September 2026
$1,135.93
$1,150.84
$586.05
$592.47
15,631,000
August 2026
$1,111.60
$1,188.80
$1,015.00
$1,147.21
6,340,901
July 2026
$1,200.51
$1,410.17
$1,070.24
$1,122.97
6,836,900
June 2026
$1,256.93
$1,320.15
$1,065.69
$1,194.78
6,794,500
May 2026
$1,049.00
$1,323.35
$1,002.19
$1,250.59
6,918,411
April 2026
$1,059.12
$1,130.51
$870.01
$1,025.00
8,808,300
March 2026
$1,380.14
$1,494.00
$969.32
$1,067.54
8,461,032
February 2026
$1,464.33
$1,494.78
$1,193.10
$1,409.36
6,442,614
January 2026
$1,691.03
$1,691.03
$1,455.94
$1,463.17
6,019,731
December 2025
$1,781.97
$1,858.91
$1,672.91
$1,690.62
4,227,918
November 2025
$1,653.00
$1,835.00
$1,591.22
$1,805.83
4,017,727
October 2025
$1,506.31
$1,998.01
$1,484.23
$1,659.53
8,989,848
September 2025
$1,505.00
$1,602.92
$1,460.91
$1,496.53
5,561,600
August 2025
$1,425.00
$1,530.03
$1,300.00
$1,521.64
7,773,100
July 2025
$1,806.42
$1,905.33
$1,354.48
$1,436.72
8,368,200
June 2025
$1,708.71
$1,940.60
$1,700.33
$1,827.96
4,855,486
May 2025
$1,999.63
$2,217.60
$1,484.29
$1,726.28
7,303,100
April 2025
$1,835.10
$2,016.78
$1,585.18
$1,989.68
4,170,694
March 2025
$1,890.06
$1,925.00
$1,676.86
$1,844.16
3,896,286
February 2025
$1,832.42
$1,924.32
$1,610.40
$1,886.35
4,232,549
January 2025
$2,005.00
$2,066.68
$1,787.57
$1,873.56
4,438,970
December 2024
$2,376.67
$2,400.00
$1,974.41
$1,990.93
3,390,014
November 2024
$1,995.25
$2,402.52
$1,978.40
$2,375.03
3,128,027
October 2024
$1,953.57
$2,103.70
$1,886.20
$1,993.11
3,369,690