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 — 2001

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2001-12-31$1.78$1.7746,800——
2001-12-28$1.80$1.8022,400——
2001-12-27$1.79$1.781,600——
2001-12-26$1.78$1.778,600——
2001-12-24$1.84$1.840——
2001-12-21$1.84$1.8414,000——
2001-12-20$1.84$1.8322,400——
2001-12-19$1.82$1.8213,000——
2001-12-18$1.84$1.84600——
2001-12-17$1.83$1.823,400——
2001-12-14$1.82$1.823,800——
2001-12-13$1.82$1.8212,800——
2001-12-12$1.85$1.8533,600——
2001-12-11$1.85$1.8415,600——
2001-12-10$1.79$1.7916,200——
2001-12-07$1.82$1.8213,000——
2001-12-06$1.81$1.811,800——
2001-12-05$1.80$1.8024,400——
2001-12-04$1.83$1.822,600——
2001-12-03$1.82$1.8215,600——
2001-11-30$1.80$1.8026,800——
2001-11-29$1.78$1.788,600——
2001-11-28$1.81$1.8117,400——
2001-11-27$1.81$1.810——
2001-11-26$1.81$1.812,400——
2001-11-23$1.78$1.775,800——
2001-11-21$1.78$1.7774,000——
2001-11-20$1.81$1.8135,600——
2001-11-19$1.73$1.7313,800——
2001-11-16$1.79$1.791,600——
2001-11-15$1.79$1.7940,200——
2001-11-14$1.80$1.8019,200——
2001-11-13$1.80$1.8031,000——
2001-11-12$1.82$1.8214,600——
2001-11-09$1.80$1.8025,400——
2001-11-08$1.84$1.8326,000——
2001-11-07$1.84$1.839,200——
2001-11-06$1.84$1.8411,400——
2001-11-05$1.77$1.7734,200——
2001-11-02$1.77$1.7713,400——
2001-11-01$1.80$1.8036,000——
2001-10-31$1.85$1.85400——
2001-10-30$1.89$1.890——
2001-10-29$1.90$1.890——
2001-10-26$1.90$1.892,000——
2001-10-25$1.87$1.8721,200——
2001-10-24$1.87$1.8744,000——
2001-10-23$1.87$1.878,800——
2001-10-22$1.87$1.874,400——
2001-10-19$1.88$1.8715,400——
2001-10-18$1.78$1.7758,200——
2001-10-17$1.75$1.7510,000——
2001-10-16$1.75$1.7522,000——
2001-10-15$1.68$1.6711,800——
2001-10-12$1.78$1.77600——
2001-10-11$1.75$1.752,400——
2001-10-10$1.75$1.7530,000——
2001-10-09$1.80$1.802,200——
2001-10-08$1.80$1.80200——
2001-10-05$1.78$1.770——
2001-10-04$1.78$1.771,200——
2001-10-03$1.80$1.8047,600——
2001-10-02$1.80$1.807,200——
2001-10-01$1.80$1.808,400——
2001-09-28$1.80$1.801,000——
2001-09-27$1.85$1.859,200——
2001-09-26$1.85$1.856,400——
2001-09-25$1.85$1.8523,200——
2001-09-24$1.85$1.8512,800——
2001-09-21$1.83$1.8260,800——
2001-09-20$1.77$1.772,600——
2001-09-19$1.80$1.8037,400——
2001-09-18$1.83$1.823,200——
2001-09-17$1.83$1.8223,600——
2001-09-10$1.78$1.7710,400——
2001-09-07$1.82$1.8216,200——
2001-09-06$1.75$1.758,600——
2001-09-05$1.75$1.7511,200——
2001-09-04$1.85$1.8522,200——
2001-08-31$1.88$1.871,000——
2001-08-30$1.83$1.827,400——
2001-08-29$1.80$1.809,000——
2001-08-28$1.80$1.803,000——
2001-08-27$1.86$1.863,800——
2001-08-24$1.81$1.811,400——
2001-08-23$1.85$1.8511,200——
2001-08-22$1.83$1.8214,200——
2001-08-21$1.87$1.873,000——
2001-08-20$1.88$1.8718,600——
2001-08-17$1.90$1.90600——
2001-08-16$1.85$1.8513,000——
2001-08-15$1.87$1.8721,800——
2001-08-14$1.88$1.877,800——
2001-08-13$1.90$1.905,000——
2001-08-10$1.94$1.943,600——
2001-08-09$1.94$1.9426,000——
2001-08-08$1.91$1.917,800——
2001-08-07$1.96$1.9629,600——
2001-08-06$1.88$1.882,800——
2001-08-03$1.88$1.872,600——
2001-08-02$1.92$1.921,400——
2001-08-01$1.90$1.909,600——
2001-07-31$1.90$1.906,400——
2001-07-30$1.85$1.841,400——
2001-07-27$1.88$1.8818,000——
2001-07-26$1.89$1.897,000——
2001-07-25$1.91$1.919,600——
2001-07-24$1.88$1.878,600——
2001-07-23$1.90$1.90600——
2001-07-20$1.95$1.9431,200——
2001-07-19$1.90$1.907,000——
2001-07-18$1.87$1.8713,600——
2001-07-17$1.95$1.9516,800——
2001-07-16$1.92$1.9255,000——
2001-07-13$1.95$1.9517,200——
2001-07-12$1.93$1.923,400——
2001-07-11$1.87$1.874,000——
2001-07-10$1.85$1.852,000——
2001-07-09$1.94$1.943,800——
2001-07-06$1.95$1.95400——
2001-07-05$1.94$1.949,800——
2001-07-03$1.92$1.923,400——
2001-07-02$1.92$1.9215,200——
2001-06-29$1.89$1.895,400——
2001-06-28$1.84$1.8425,600——
2001-06-27$1.82$1.8211,400——
2001-06-26$1.81$1.813,800——
2001-06-25$1.81$1.814,200——
2001-06-22$1.81$1.814,400——
2001-06-21$1.84$1.845,400——
2001-06-20$1.88$1.87600——
2001-06-19$1.85$1.85800——
2001-06-18$1.85$1.847,800——
2001-06-15$1.88$1.87200——
2001-06-14$1.85$1.8411,000——
2001-06-13$1.86$1.860——
2001-06-12$1.86$1.863,200——
2001-06-11$1.90$1.908,800——
2001-06-08$1.87$1.8712,400——
2001-06-07$1.90$1.8939,000——
2001-06-06$1.95$1.9516,000——
2001-06-05$1.97$1.9722,600——
2001-06-04$1.89$1.894,200——
2001-06-01$1.98$1.9879,800——
2001-05-31$1.95$1.9435,200——
2001-05-30$1.97$1.976,400——
2001-05-29$2.00$2.0010,800——
2001-05-25$1.99$1.992,400——
2001-05-24$1.94$1.9316,200——
2001-05-23$2.04$2.048,400——
2001-05-22$2.04$2.049,000——
2001-05-21$2.04$2.043,800——
2001-05-18$2.03$2.031,000——
2001-05-17$1.95$1.951,800——
2001-05-16$2.05$2.0561,800——
2001-05-15$1.91$1.91800——
2001-05-14$1.98$1.9847,600——
2001-05-11$1.99$1.994,800——
2001-05-10$1.94$1.936,200——
2001-05-09$2.01$2.012,000——
2001-05-08$2.00$2.0035,600——
2001-05-07$2.04$2.048,200——
2001-05-04$2.04$2.0428,200——
2001-05-03$1.97$1.9726,400——
2001-05-02$2.00$2.0028,000——
2001-05-01$2.00$2.0037,800——
2001-04-30$1.98$1.983,800——
2001-04-27$1.91$1.919,000——
2001-04-26$1.98$1.984,600——
2001-04-25$2.03$2.035,800——
2001-04-24$2.03$2.03400——
2001-04-23$2.00$2.007,400——
2001-04-20$2.05$2.0575,200——
2001-04-19$2.00$1.9914,400——
2001-04-18$2.03$2.0380,800——
2001-04-17$1.81$1.8117,800——
2001-04-16$1.89$1.8846,600——
2001-04-12$1.89$1.8920,200——
2001-04-11$1.90$1.9027,000——
2001-04-10$2.00$2.005,400——
2001-04-09$1.85$1.852,800——
2001-04-06$1.84$1.845,800——
2001-04-05$1.88$1.8783,400——
2001-04-04$1.86$1.8638,200——
2001-04-03$1.84$1.8465,400——
2001-04-02$1.88$1.8725,000——
2001-03-30$1.91$1.917,400——
2001-03-29$1.91$1.9112,400——
2001-03-28$1.92$1.9223,400——
2001-03-27$1.92$1.9210,800——
2001-03-26$1.88$1.872,600——
2001-03-23$1.84$1.8429,200——
2001-03-22$1.81$1.8110,200——
2001-03-21$1.94$1.944,000——
2001-03-20$2.06$2.0630,400——
2001-03-19$2.03$2.0320,000——
2001-03-16$2.03$2.037,400——
2001-03-15$2.06$2.069,200——
2001-03-14$2.06$2.06600——
2001-03-13$2.06$2.0637,600——
2001-03-12$1.95$1.9515,000——
2001-03-09$2.03$2.0311,600——
2001-03-08$2.00$2.005,200——
2001-03-07$2.00$2.008,200——
2001-03-06$1.98$1.985,800——
2001-03-05$2.00$2.0011,000——
2001-03-02$2.00$2.009,000——
2001-03-01$2.06$2.065,600——
2001-02-28$2.03$2.0326,600——
2001-02-27$2.03$2.037,600——
2001-02-26$2.02$2.029,000——
2001-02-23$2.06$2.0660,200——
2001-02-22$2.09$2.0956,400——
2001-02-21$2.13$2.1282,400——
2001-02-20$2.06$2.0651,600——
2001-02-16$2.00$2.0026,000——
2001-02-15$2.09$2.0933,400——
2001-02-14$2.09$2.098,000——
2001-02-13$2.05$2.0529,800——
2001-02-12$2.03$2.035,600——
2001-02-09$2.09$2.0952,000——
2001-02-08$1.98$1.9812,400——
2001-02-07$1.97$1.9741,800——
2001-02-06$1.98$1.9818,200——
2001-02-05$1.97$1.9741,800——
2001-02-02$1.91$1.9138,400——
2001-02-01$1.81$1.818,000——
2001-01-31$1.92$1.920——
2001-01-30$1.92$1.9234,800——
2001-01-29$1.92$1.9224,000——
2001-01-26$1.91$1.9133,400——
2001-01-25$2.00$2.0023,000——
2001-01-24$1.98$1.9840,600——
2001-01-23$2.03$2.0381,000——
2001-01-22$2.00$2.0018,800——
2001-01-19$2.00$2.0040,400——
2001-01-18$2.00$2.0038,400——
2001-01-17$1.91$1.9152,200——
2001-01-16$1.88$1.8719,200——
2001-01-12$1.84$1.8430,200——
2001-01-11$1.78$1.78114,400——
2001-01-10$1.61$1.6163,400——
2001-01-09$1.50$1.5054,000——
2001-01-08$1.50$1.504,000——
2001-01-05$1.53$1.53114,800——
2001-01-04$1.59$1.59280,600——
2001-01-03$1.50$1.5048,400——
2001-01-02$1.50$1.5049,800——