NASDAQ:CSPI | Historical Stock Price | CSP INC /MA/

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
1982-01-29 to 2026-09-04
Data captured

Stock Price Chart

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

$1.18$2.32$4.56$8.97$17.61$34.601982-01-292026-08-27

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

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Historical Stock Price — 2014

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2014-12-31$3.65$4.405,200
2014-12-30$3.75$4.512,600
2014-12-29$3.85$4.6321,400
2014-12-26$3.82$4.5938,200
2014-12-24$3.85$4.63400
2014-12-23$3.83$4.612,200
2014-12-22$3.88$4.60800
2014-12-19$3.68$4.368,600
2014-12-18$3.85$4.5720,000
2014-12-17$3.72$4.427,800
2014-12-16$3.76$4.4623,200
2014-12-15$3.90$4.639,200
2014-12-12$4.00$4.753,200
2014-12-11$4.00$4.7510,200
2014-12-10$3.91$4.642,200
2014-12-09$3.93$4.668,000
2014-12-08$3.90$4.6322,600
2014-12-05$3.94$4.679,200
2014-12-04$3.98$4.7282,000
2014-12-03$3.93$4.6625,000
2014-12-02$3.91$4.649,800
2014-12-01$3.91$4.643,400
2014-11-28$3.98$4.7229,200
2014-11-26$4.08$4.8462,800
2014-11-25$4.03$4.784,200
2014-11-24$3.95$4.686,800
2014-11-21$3.98$4.7210,600
2014-11-20$3.98$4.725,800
2014-11-19$3.99$4.7311,000
2014-11-18$4.00$4.7516,200
2014-11-17$3.95$4.6915,400
2014-11-14$3.89$4.616,200
2014-11-13$3.93$4.663,800
2014-11-12$3.88$4.6121,800
2014-11-11$3.85$4.5715,200
2014-11-10$3.91$4.6411,000
2014-11-07$3.88$4.614,600
2014-11-06$3.90$4.626,800
2014-11-05$3.89$4.619,600
2014-11-04$3.85$4.5612,000
2014-11-03$3.86$4.5818,800
2014-10-31$3.97$4.7112,400
2014-10-30$3.90$4.6313,400
2014-10-29$3.76$4.465,600
2014-10-28$3.85$4.5620,000
2014-10-27$3.89$4.6119,200
2014-10-24$3.86$4.5820,600
2014-10-23$3.80$4.5012,800
2014-10-22$3.60$4.2711,800
2014-10-21$3.73$4.4311,600
2014-10-20$3.61$4.29103,800
2014-10-17$3.51$4.1611,400
2014-10-16$3.64$4.319,800
2014-10-15$3.80$4.5115,400
2014-10-14$3.73$4.423,800
2014-10-13$3.75$4.4514,600
2014-10-10$3.80$4.5137,000
2014-10-09$3.93$4.6625,200
2014-10-08$3.98$4.7215,600
2014-10-07$3.95$4.6814,800
2014-10-06$3.97$4.7110,200
2014-10-03$3.83$4.5514,000
2014-10-02$3.94$4.6714,800
2014-10-01$3.91$4.647,800
2014-09-30$3.99$4.7311,800
2014-09-29$4.00$4.7412,800
2014-09-26$3.95$4.6823,600
2014-09-25$3.99$4.7419,400
2014-09-24$4.09$4.854,400
2014-09-23$4.08$4.8411,200
2014-09-22$4.10$4.8614,200
2014-09-19$4.08$4.8415,400
2014-09-18$4.17$4.9440,800
2014-09-17$4.06$4.8211,200
2014-09-16$4.04$4.8011,200
2014-09-15$4.05$4.8010,600
2014-09-12$4.00$4.7521,600
2014-09-11$4.01$4.7529,200
2014-09-10$4.01$4.7512,000
2014-09-09$4.02$4.7759,400
2014-09-08$3.95$4.6812,400
2014-09-05$3.99$4.7323,400
2014-09-04$3.94$4.6814,800
2014-09-03$4.03$4.7826,800
2014-09-02$3.96$4.7038,600
2014-08-29$3.95$4.6949,000
2014-08-28$3.89$4.6140,800
2014-08-27$3.83$4.5410,000
2014-08-26$3.87$4.596,200
2014-08-25$3.75$4.4513,400
2014-08-22$3.74$4.4417,600
2014-08-21$3.57$4.2419,200
2014-08-20$3.56$4.232,000
2014-08-19$3.64$4.3254,400
2014-08-18$3.70$4.3213,000
2014-08-15$3.59$4.2038,400
2014-08-14$3.70$4.3311,400
2014-08-13$3.79$4.4326,600
2014-08-12$3.83$4.47600
2014-08-11$3.84$4.487,600
2014-08-08$3.79$4.433,000
2014-08-07$3.75$4.399,400
2014-08-06$3.84$4.4847,600
2014-08-05$3.82$4.4725,400
2014-08-04$3.73$4.366,800
2014-08-01$3.70$4.3320,000
2014-07-31$3.86$4.5160,000
2014-07-30$3.75$4.392,400
2014-07-29$3.78$4.412,200
2014-07-28$3.75$4.389,600
2014-07-25$3.86$4.5137,800
2014-07-24$3.66$4.2820,600
2014-07-23$3.68$4.3041,400
2014-07-22$3.72$4.3518,200
2014-07-21$3.78$4.4233,800
2014-07-18$3.74$4.3750,600
2014-07-17$3.61$4.2227,200
2014-07-16$3.65$4.2621,400
2014-07-15$3.64$4.2515,200
2014-07-14$3.66$4.2720,400
2014-07-11$3.60$4.2010,600
2014-07-10$3.42$3.994,200
2014-07-09$3.46$4.042,000
2014-07-08$3.45$4.032,600
2014-07-07$3.49$4.0813,200
2014-07-03$3.46$4.0510,200
2014-07-02$3.52$4.1217,800
2014-07-01$3.58$4.199,400
2014-06-30$3.49$4.082,200
2014-06-27$3.43$4.014,000
2014-06-26$3.50$4.0925,600
2014-06-25$3.41$3.995,000
2014-06-24$3.46$4.0511,800
2014-06-23$3.43$4.015,000
2014-06-20$3.46$4.0513,400
2014-06-19$3.46$4.0528,000
2014-06-18$3.47$4.0614,000
2014-06-17$3.43$4.016,000
2014-06-16$3.43$4.0110,200
2014-06-13$3.46$4.053,600
2014-06-12$3.40$3.9820,400
2014-06-11$3.55$4.1538,600
2014-06-10$3.40$3.9731,800
2014-06-09$3.37$3.9320,600
2014-06-06$3.29$3.8540,000
2014-06-05$3.28$3.838,400
2014-06-04$3.29$3.842,600
2014-06-03$3.39$3.965,800
2014-06-02$3.33$3.895,400
2014-05-30$3.32$3.881,200
2014-05-29$3.38$3.9513,200
2014-05-28$3.35$3.9129,000
2014-05-27$3.41$3.9236,800
2014-05-23$3.40$3.9153,800
2014-05-22$3.35$3.8521,800
2014-05-21$3.36$3.879,400
2014-05-20$3.38$3.8819,800
2014-05-19$3.41$3.9250,000
2014-05-16$3.61$4.1513,400
2014-05-15$3.61$4.152,800
2014-05-14$3.61$4.1581,200
2014-05-13$3.71$4.2612,600
2014-05-12$3.69$4.2517,200
2014-05-09$3.77$4.3424,200
2014-05-08$3.74$4.3030,800
2014-05-07$3.67$4.223,800
2014-05-06$3.73$4.294,600
2014-05-05$3.69$4.241,400
2014-05-02$3.67$4.220
2014-05-01$3.67$4.2220,200
2014-04-30$3.79$4.3618,600
2014-04-29$3.87$4.459,000
2014-04-28$3.81$4.384,000
2014-04-25$3.79$4.353,600
2014-04-24$3.89$4.484,600
2014-04-23$3.90$4.48800
2014-04-22$3.83$4.4017,400
2014-04-21$3.79$4.3515,800
2014-04-17$3.74$4.309,000
2014-04-16$3.85$4.426,000
2014-04-15$3.81$4.3810,800
2014-04-14$3.77$4.3310,000
2014-04-11$3.77$4.336,600
2014-04-10$3.73$4.294,800
2014-04-09$3.86$4.4421,200
2014-04-08$3.72$4.277,200
2014-04-07$3.83$4.4027,800
2014-04-04$3.72$4.272,400
2014-04-03$3.65$4.2059,600
2014-04-02$3.64$4.1855,000
2014-04-01$3.86$4.4419,600
2014-03-31$3.86$4.448,200
2014-03-28$3.99$4.581,800
2014-03-27$3.88$4.4624,400
2014-03-26$3.92$4.517,000
2014-03-25$3.93$4.5262,800
2014-03-24$3.93$4.5263,800
2014-03-21$3.95$4.5418,400
2014-03-20$4.01$4.6119,000
2014-03-19$4.06$4.678,400
2014-03-18$4.02$4.6215,600
2014-03-17$4.06$4.6766,800
2014-03-14$3.90$4.495,600
2014-03-13$3.88$4.4646,600
2014-03-12$3.93$4.5290,200
2014-03-11$3.83$4.40160,200
2014-03-10$4.05$4.6549,600
2014-03-07$4.27$4.9116,200
2014-03-06$4.22$4.8515,000
2014-03-05$4.12$4.747,600
2014-03-04$4.14$4.768,000
2014-03-03$4.07$4.683,600
2014-02-28$4.14$4.7615,600
2014-02-27$4.18$4.8114,400
2014-02-26$4.05$4.6615,200
2014-02-25$4.27$4.9120,200
2014-02-24$4.18$4.74126,000
2014-02-21$3.88$4.4022,000
2014-02-20$3.80$4.3118,200
2014-02-19$3.80$4.3112,800
2014-02-18$3.84$4.3552,600
2014-02-14$3.80$4.3146,000
2014-02-13$3.93$4.4632,600
2014-02-12$3.96$4.4944,600
2014-02-11$4.07$4.628,200
2014-02-10$4.07$4.6245,000
2014-02-07$4.04$4.584,800
2014-02-06$4.06$4.616,600
2014-02-05$3.99$4.5313,800
2014-02-04$4.00$4.5429,200
2014-02-03$3.95$4.4815,600
2014-01-31$3.96$4.4915,600
2014-01-30$4.00$4.549,600
2014-01-29$3.85$4.3712,400
2014-01-28$3.91$4.435,000
2014-01-27$3.96$4.5014,400
2014-01-24$3.89$4.4137,200
2014-01-23$4.00$4.5449,400
2014-01-22$4.00$4.5452,400
2014-01-21$4.08$4.6351,200
2014-01-17$4.17$4.737,600
2014-01-16$4.18$4.7412,400
2014-01-15$4.10$4.6542,800
2014-01-14$4.03$4.5719,800
2014-01-13$3.98$4.5275,200
2014-01-10$4.00$4.543,000
2014-01-09$4.00$4.546,600
2014-01-08$4.06$4.6019,600
2014-01-07$4.08$4.6358,200
2014-01-06$3.99$4.533,400
2014-01-03$4.02$4.568,000
2014-01-02$3.99$4.5217,200