NYSE:APT | Historical Stock Price | ALPHA PRO TECH LTD

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1999-02-16 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$0.59$1.27$2.71$5.80$12.40$26.511999-02-162026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

View year

Historical Stock Price — 2017

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2017-12-29$4.00$4.0038,500
2017-12-28$4.03$4.0323,200
2017-12-27$3.96$3.9667,700
2017-12-26$3.85$3.857,300
2017-12-22$4.05$4.0519,000
2017-12-21$4.02$4.0214,800
2017-12-20$4.00$4.0013,500
2017-12-19$3.90$3.9048,600
2017-12-18$3.72$3.723,600
2017-12-15$3.70$3.7010,500
2017-12-14$3.75$3.7524,300
2017-12-13$3.75$3.7513,600
2017-12-12$3.75$3.7539,400
2017-12-11$3.90$3.9033,100
2017-12-08$4.05$4.054,200
2017-12-07$4.00$4.0015,200
2017-12-06$4.05$4.053,900
2017-12-05$4.15$4.156,400
2017-12-04$4.05$4.054,700
2017-12-01$4.25$4.256,100
2017-11-30$4.05$4.058,400
2017-11-29$4.10$4.105,600
2017-11-28$4.11$4.1114,800
2017-11-27$4.25$4.2514,900
2017-11-24$4.15$4.155,900
2017-11-22$3.98$3.9825,400
2017-11-21$4.10$4.1011,300
2017-11-20$4.20$4.2033,100
2017-11-17$4.05$4.054,300
2017-11-16$4.05$4.0514,800
2017-11-15$3.95$3.9520,200
2017-11-14$4.03$4.0318,200
2017-11-13$3.95$3.9526,200
2017-11-10$3.85$3.8529,700
2017-11-09$3.95$3.9520,500
2017-11-08$3.80$3.8040,500
2017-11-07$3.80$3.8019,800
2017-11-06$3.85$3.8526,900
2017-11-03$3.95$3.9519,200
2017-11-02$4.05$4.0531,000
2017-11-01$4.12$4.126,300
2017-10-31$4.15$4.156,700
2017-10-30$4.11$4.1118,800
2017-10-27$4.15$4.1516,200
2017-10-26$4.10$4.1033,600
2017-10-25$4.04$4.0415,800
2017-10-24$4.15$4.1528,800
2017-10-23$4.05$4.0532,500
2017-10-20$3.95$3.9524,300
2017-10-19$4.00$4.0011,700
2017-10-18$3.95$3.9532,200
2017-10-17$4.10$4.1036,500
2017-10-16$4.03$4.0360,300
2017-10-13$4.00$4.0049,200
2017-10-12$3.80$3.8026,300
2017-10-11$3.80$3.8043,800
2017-10-10$3.95$3.9527,500
2017-10-09$3.80$3.8035,700
2017-10-06$4.00$4.0026,200
2017-10-05$3.93$3.9317,200
2017-10-04$3.95$3.9558,300
2017-10-03$3.90$3.9041,000
2017-10-02$4.00$4.0035,900
2017-09-29$3.85$3.85108,000
2017-09-28$4.05$4.0576,400
2017-09-27$3.95$3.9594,300
2017-09-26$3.95$3.95246,100
2017-09-25$3.70$3.709,600
2017-09-22$3.75$3.7546,200
2017-09-21$3.66$3.6622,000
2017-09-20$3.70$3.7017,300
2017-09-19$3.75$3.7525,200
2017-09-18$3.75$3.7596,600
2017-09-15$3.60$3.6078,500
2017-09-14$3.45$3.4535,400
2017-09-13$3.40$3.4070,200
2017-09-12$3.35$3.3516,500
2017-09-11$3.45$3.4575,400
2017-09-08$3.45$3.4515,300
2017-09-07$3.45$3.4517,500
2017-09-06$3.48$3.4833,900
2017-09-05$3.45$3.4534,300
2017-09-01$3.40$3.408,600
2017-08-31$3.35$3.3525,800
2017-08-30$3.40$3.4024,900
2017-08-29$3.25$3.2533,900
2017-08-28$3.30$3.3026,600
2017-08-25$3.45$3.4515,400
2017-08-24$3.40$3.4024,000
2017-08-23$3.45$3.4512,000
2017-08-22$3.50$3.508,100
2017-08-21$3.35$3.3541,900
2017-08-18$3.50$3.5021,700
2017-08-17$3.45$3.4529,700
2017-08-16$3.40$3.4015,200
2017-08-15$3.35$3.3518,200
2017-08-14$3.50$3.5017,600
2017-08-11$3.40$3.4019,500
2017-08-10$3.35$3.3535,100
2017-08-09$3.35$3.3539,600
2017-08-08$3.50$3.5014,100
2017-08-07$3.40$3.4015,600
2017-08-04$3.45$3.4540,200
2017-08-03$3.40$3.4058,200
2017-08-02$3.55$3.5515,000
2017-08-01$3.60$3.6051,200
2017-07-31$3.45$3.4529,600
2017-07-28$3.55$3.5551,200
2017-07-27$3.50$3.5021,600
2017-07-26$3.45$3.4525,300
2017-07-25$3.40$3.4054,000
2017-07-24$3.35$3.3575,800
2017-07-21$3.35$3.3574,800
2017-07-20$3.40$3.4035,600
2017-07-19$3.35$3.3575,400
2017-07-18$3.40$3.4058,900
2017-07-17$3.40$3.4087,400
2017-07-14$3.40$3.40112,400
2017-07-13$3.20$3.2032,000
2017-07-12$3.20$3.2062,600
2017-07-11$3.10$3.1065,300
2017-07-10$3.08$3.0823,900
2017-07-07$3.00$3.0043,100
2017-07-06$3.10$3.1025,300
2017-07-05$3.00$3.0015,000
2017-07-03$3.00$3.00800
2017-06-30$2.95$2.956,200
2017-06-29$3.10$3.1028,800
2017-06-28$3.00$3.0019,100
2017-06-27$3.00$3.0017,800
2017-06-26$2.90$2.9048,100
2017-06-23$2.75$2.7535,600
2017-06-22$2.80$2.8015,400
2017-06-21$2.85$2.858,300
2017-06-20$2.80$2.808,400
2017-06-19$2.95$2.9514,200
2017-06-16$2.85$2.8543,000
2017-06-15$2.85$2.8517,900
2017-06-14$2.85$2.8530,700
2017-06-13$2.80$2.8016,100
2017-06-12$2.85$2.8511,200
2017-06-09$2.80$2.8037,700
2017-06-08$2.80$2.809,700
2017-06-07$2.80$2.8015,700
2017-06-06$2.90$2.909,600
2017-06-05$2.90$2.9039,400
2017-06-02$2.90$2.9014,400
2017-06-01$2.85$2.8522,800
2017-05-31$2.85$2.856,700
2017-05-30$2.80$2.8019,600
2017-05-26$2.70$2.7062,900
2017-05-25$2.95$2.9517,900
2017-05-24$2.95$2.9532,100
2017-05-23$3.05$3.0541,700
2017-05-22$3.15$3.1570,000
2017-05-19$3.00$3.0023,300
2017-05-18$2.90$2.9028,600
2017-05-17$2.95$2.9540,600
2017-05-16$3.10$3.1042,500
2017-05-15$3.20$3.2051,800
2017-05-12$3.00$3.00208,900
2017-05-11$2.90$2.9033,300
2017-05-10$2.90$2.9047,800
2017-05-09$3.00$3.0011,000
2017-05-08$2.90$2.9024,700
2017-05-05$2.95$2.9513,300
2017-05-04$3.00$3.0016,800
2017-05-03$2.90$2.9020,700
2017-05-02$2.85$2.8574,800
2017-05-01$2.80$2.8022,500
2017-04-28$2.80$2.8013,100
2017-04-27$2.80$2.8011,600
2017-04-26$2.75$2.7517,900
2017-04-25$2.75$2.7512,600
2017-04-24$2.70$2.7013,500
2017-04-21$2.70$2.7011,200
2017-04-20$2.75$2.7511,200
2017-04-19$2.70$2.707,100
2017-04-18$2.70$2.707,500
2017-04-17$2.70$2.7021,600
2017-04-13$2.75$2.7511,500
2017-04-12$2.80$2.808,200
2017-04-11$2.85$2.8541,100
2017-04-10$2.75$2.7525,500
2017-04-07$2.80$2.8012,500
2017-04-06$2.70$2.7021,500
2017-04-05$2.75$2.7526,100
2017-04-04$2.65$2.6521,200
2017-04-03$2.62$2.6228,800
2017-03-31$2.75$2.7522,200
2017-03-30$2.65$2.6511,600
2017-03-29$2.65$2.658,200
2017-03-28$2.65$2.6510,600
2017-03-27$2.60$2.608,900
2017-03-24$2.60$2.6013,600
2017-03-23$2.60$2.6017,500
2017-03-22$2.65$2.6516,100
2017-03-21$2.74$2.7418,100
2017-03-20$2.75$2.7546,000
2017-03-17$2.80$2.8021,400
2017-03-16$2.90$2.9014,100
2017-03-15$2.95$2.9526,100
2017-03-14$3.00$3.0012,600
2017-03-13$2.95$2.9527,700
2017-03-10$2.90$2.9047,500
2017-03-09$2.90$2.9058,900
2017-03-08$3.00$3.0073,100
2017-03-07$3.30$3.3064,400
2017-03-06$3.05$3.0548,200
2017-03-03$3.15$3.1521,900
2017-03-02$3.15$3.1565,200
2017-03-01$3.00$3.0026,100
2017-02-28$3.05$3.0514,100
2017-02-27$3.20$3.209,000
2017-02-24$3.10$3.1020,100
2017-02-23$3.10$3.1029,900
2017-02-22$3.10$3.1016,100
2017-02-21$3.15$3.1524,700
2017-02-17$3.25$3.2512,600
2017-02-16$3.20$3.2035,600
2017-02-15$3.15$3.1519,000
2017-02-14$3.20$3.2031,800
2017-02-13$3.10$3.107,800
2017-02-10$3.20$3.2019,100
2017-02-09$3.15$3.159,500
2017-02-08$3.10$3.1022,600
2017-02-07$3.10$3.1012,900
2017-02-06$3.10$3.1021,000
2017-02-03$3.15$3.1515,100
2017-02-02$3.15$3.157,700
2017-02-01$3.10$3.1022,200
2017-01-31$3.10$3.1020,600
2017-01-30$3.05$3.0516,400
2017-01-27$3.10$3.1013,100
2017-01-26$3.20$3.2023,900
2017-01-25$3.20$3.2025,100
2017-01-24$3.10$3.1025,000
2017-01-23$3.05$3.0512,300
2017-01-20$3.10$3.1013,600
2017-01-19$3.10$3.1016,300
2017-01-18$3.20$3.2026,000
2017-01-17$3.10$3.1022,300
2017-01-13$3.10$3.1023,600
2017-01-12$3.15$3.1520,600
2017-01-11$3.10$3.1019,600
2017-01-10$3.10$3.1038,000
2017-01-09$3.05$3.0539,600
2017-01-06$3.25$3.2529,500
2017-01-05$3.14$3.1418,500
2017-01-04$3.15$3.1542,500
2017-01-03$3.15$3.15159,900