NASDAQ:EXPO | Historical Stock Price | EXPONENT INC

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
1990-08-17 to 2026-09-04
Data captured

Stock Price Chart

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

$0.49$1.53$4.78$14.93$46.62$145.611990-08-172026-08-27

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

View year

Historical Stock Price — 1991

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
1991-12-31$1.69$1.691,464,000
1991-12-30$1.63$1.63371,200
1991-12-27$1.59$1.59141,600
1991-12-26$1.59$1.592,400
1991-12-24$1.63$1.6316,800
1991-12-23$1.59$1.5944,800
1991-12-20$1.66$1.66156,800
1991-12-19$1.56$1.56340,000
1991-12-18$1.75$1.75711,200
1991-12-17$1.63$1.63148,000
1991-12-16$1.66$1.66228,000
1991-12-13$1.56$1.561,010,400
1991-12-12$1.41$1.4180,800
1991-12-11$1.41$1.41123,200
1991-12-10$1.41$1.4122,400
1991-12-09$1.44$1.44144,800
1991-12-06$1.44$1.443,200
1991-12-05$1.44$1.44160,800
1991-12-04$1.52$1.5276,000
1991-12-03$1.50$1.5052,800
1991-12-02$1.50$1.5012,800
1991-11-29$1.53$1.5320,800
1991-11-27$1.47$1.47160,000
1991-11-26$1.50$1.50119,200
1991-11-25$1.56$1.56228,800
1991-11-22$1.75$1.75139,200
1991-11-21$1.75$1.75324,000
1991-11-20$1.75$1.7512,800
1991-11-19$1.72$1.72223,200
1991-11-18$1.81$1.8133,600
1991-11-15$1.75$1.7584,800
1991-11-14$1.78$1.78132,000
1991-11-13$1.83$1.83250,400
1991-11-12$1.81$1.819,600
1991-11-11$1.84$1.84106,400
1991-11-08$1.86$1.86340,000
1991-11-07$1.91$1.9112,000
1991-11-06$1.84$1.84160,000
1991-11-05$1.88$1.8725,600
1991-11-04$1.88$1.8792,800
1991-11-01$1.97$1.97163,200
1991-10-31$1.91$1.91147,200
1991-10-30$1.97$1.97100,000
1991-10-29$2.00$2.0013,600
1991-10-28$2.00$2.00334,400
1991-10-25$2.03$2.0340,800
1991-10-24$2.02$2.02489,600
1991-10-23$2.06$2.06476,000
1991-10-22$1.84$1.84232,800
1991-10-21$1.81$1.81246,400
1991-10-18$1.88$1.8744,000
1991-10-17$1.81$1.81316,800
1991-10-16$1.75$1.75270,400
1991-10-15$1.63$1.6332,800
1991-10-14$1.63$1.6315,200
1991-10-11$1.56$1.56120,800
1991-10-10$1.52$1.5261,600
1991-10-09$1.47$1.4781,600
1991-10-08$1.50$1.50371,200
1991-10-07$1.56$1.5638,400
1991-10-04$1.59$1.5924,800
1991-10-03$1.56$1.56346,400
1991-10-02$1.59$1.59478,400
1991-10-01$1.69$1.6962,400
1991-09-30$1.69$1.6953,600
1991-09-27$1.78$1.78303,200
1991-09-26$1.78$1.78316,800
1991-09-25$1.69$1.69677,600
1991-09-24$1.69$1.69416,800
1991-09-23$1.41$1.41409,600
1991-09-20$1.47$1.47532,800
1991-09-19$1.50$1.5066,400
1991-09-18$1.38$1.3758,400
1991-09-17$1.47$1.4716,000
1991-09-16$1.47$1.471,126,400
1991-09-13$1.47$1.4731,200
1991-09-12$1.47$1.4727,200
1991-09-11$1.41$1.41228,000
1991-09-10$1.38$1.37333,600
1991-09-09$1.44$1.44124,000
1991-09-06$1.41$1.41742,400
1991-09-05$1.34$1.34818,400
1991-09-04$1.38$1.37146,400
1991-09-03$1.41$1.41128,800
1991-08-30$1.56$1.56304,000
1991-08-29$1.44$1.44217,600
1991-08-28$1.19$1.1947,200
1991-08-27$1.22$1.22284,800
1991-08-26$1.28$1.28463,200
1991-08-23$1.19$1.19765,600
1991-08-22$1.28$1.28180,800
1991-08-21$1.28$1.28136,000
1991-08-20$1.25$1.25280,800
1991-08-19$1.19$1.19212,800
1991-08-16$1.27$1.271,151,200
1991-08-15$1.34$1.34630,400
1991-08-14$1.38$1.37573,600
1991-08-13$1.31$1.312,900,800
1991-08-12$1.75$1.75441,600
1991-08-09$1.78$1.78145,600
1991-08-08$1.72$1.72545,600
1991-08-07$1.75$1.75193,600
1991-08-06$1.75$1.75820,000
1991-08-05$1.84$1.8432,000
1991-08-02$1.91$1.91156,000
1991-08-01$1.92$1.92488,000
1991-07-31$1.98$1.98126,400
1991-07-30$2.03$2.03268,000
1991-07-29$1.94$1.9457,600
1991-07-26$2.00$2.00488,800
1991-07-25$2.00$2.00413,600
1991-07-24$2.06$2.06638,400
1991-07-23$2.00$2.001,145,600
1991-07-22$1.88$1.8752,000
1991-07-19$1.88$1.87292,800
1991-07-18$1.84$1.84341,600
1991-07-17$2.00$2.00272,000
1991-07-16$1.94$1.941,290,400
1991-07-15$1.97$1.972,218,400
1991-07-12$1.97$1.971,325,600
1991-07-11$2.03$2.0387,200
1991-07-10$2.00$2.00445,600
1991-07-09$1.97$1.97390,400
1991-07-08$1.88$1.87724,000
1991-07-05$2.00$2.00283,200
1991-07-03$1.94$1.94392,800
1991-07-02$2.09$2.09900,000
1991-07-01$2.08$2.084,040,800
1991-06-28$2.16$2.16646,400
1991-06-27$2.06$2.061,445,600
1991-06-26$2.16$2.163,828,800
1991-06-25$2.31$2.313,389,600
1991-06-24$2.72$2.7242,400
1991-06-21$2.84$2.8410,400
1991-06-20$2.78$2.78198,400
1991-06-19$2.75$2.7546,400
1991-06-18$2.78$2.78180,800
1991-06-17$2.81$2.81830,400
1991-06-14$3.00$3.0016,000
1991-06-13$2.97$2.978,000
1991-06-12$3.00$3.00259,200
1991-06-11$3.16$3.1623,200
1991-06-10$3.16$3.1663,200
1991-06-07$3.16$3.16200,800
1991-06-06$3.25$3.2523,200
1991-06-05$3.19$3.19152,000
1991-06-04$3.22$3.22293,600
1991-06-03$3.28$3.28386,400
1991-05-31$3.09$3.0917,600
1991-05-30$3.03$3.03328,800
1991-05-29$2.98$2.98131,200
1991-05-28$2.84$2.84748,800
1991-05-24$2.78$2.78182,400
1991-05-23$2.88$2.87608,000
1991-05-22$2.88$2.871,304,000
1991-05-21$3.00$3.0024,000
1991-05-20$3.00$3.0048,000
1991-05-17$3.09$3.09316,000
1991-05-16$3.19$3.1989,600
1991-05-15$3.19$3.19328,800
1991-05-14$3.38$3.38312,000
1991-05-13$3.47$3.47437,600
1991-05-10$3.38$3.3834,400
1991-05-09$3.47$3.47422,400
1991-05-08$3.50$3.5088,800
1991-05-07$3.53$3.5389,600
1991-05-06$3.50$3.500
1991-05-03$3.50$3.50168,000
1991-05-02$3.56$3.56302,400
1991-05-01$3.48$3.48223,200
1991-04-30$3.41$3.41133,600
1991-04-29$3.31$3.31123,200
1991-04-26$3.38$3.384,800
1991-04-25$3.34$3.345,600
1991-04-24$3.31$3.3112,000
1991-04-23$3.31$3.31300,800
1991-04-22$3.31$3.31200,800
1991-04-19$3.38$3.38268,000
1991-04-18$3.41$3.41496,000
1991-04-17$3.56$3.56174,400
1991-04-16$3.66$3.66119,200
1991-04-15$3.58$3.5833,600
1991-04-12$3.53$3.538,800
1991-04-11$3.59$3.59619,200
1991-04-10$3.59$3.59124,800
1991-04-09$3.69$3.69148,000
1991-04-08$3.59$3.5960,000
1991-04-05$3.63$3.63130,400
1991-04-04$3.66$3.6669,600
1991-04-03$3.66$3.66560,800
1991-04-02$3.47$3.4760,800
1991-04-01$3.38$3.3811,200
1991-03-28$3.38$3.3840,800
1991-03-27$3.38$3.38188,800
1991-03-26$3.41$3.41736,800
1991-03-25$3.41$3.4118,400
1991-03-22$3.34$3.34176,000
1991-03-21$3.38$3.38280,000
1991-03-20$3.44$3.44249,600
1991-03-19$3.34$3.34224,000
1991-03-18$3.34$3.34876,800
1991-03-15$3.38$3.38463,200
1991-03-14$3.39$3.391,220,800
1991-03-13$3.38$3.381,668,800
1991-03-12$2.94$2.94224,000
1991-03-11$2.97$2.97307,200
1991-03-08$3.06$3.0626,400
1991-03-07$2.97$2.9712,000
1991-03-06$3.09$3.09128,800
1991-03-05$3.00$3.00204,800
1991-03-04$3.06$3.06414,400
1991-03-01$3.03$3.03293,600
1991-02-28$2.91$2.91339,200
1991-02-27$3.00$3.00567,200
1991-02-26$2.97$2.97320,800
1991-02-25$3.08$3.08160,800
1991-02-22$3.13$3.12804,800
1991-02-21$2.94$2.94618,400
1991-02-20$2.94$2.9442,400
1991-02-19$3.00$3.00135,200
1991-02-15$2.94$2.94721,600
1991-02-14$3.00$3.00122,400
1991-02-13$3.03$3.03772,000
1991-02-12$3.00$3.001,403,200
1991-02-11$2.75$2.75324,000
1991-02-08$2.81$2.81246,400
1991-02-07$2.63$2.62463,200
1991-02-06$2.53$2.53180,800
1991-02-05$2.50$2.50120,800
1991-02-04$2.56$2.56246,400
1991-02-01$2.50$2.50454,400
1991-01-31$2.53$2.53292,800
1991-01-30$2.47$2.47718,400
1991-01-29$2.47$2.47550,400
1991-01-28$2.41$2.41292,800
1991-01-25$2.38$2.38275,200
1991-01-24$2.38$2.38927,200
1991-01-23$2.28$2.28605,600
1991-01-22$2.28$2.2863,200
1991-01-21$2.28$2.28334,400
1991-01-18$2.19$2.1981,600
1991-01-17$2.28$2.28928,000
1991-01-16$2.25$2.2544,000
1991-01-15$2.19$2.19128,800
1991-01-14$2.25$2.25185,600
1991-01-11$2.22$2.22595,200
1991-01-10$2.22$2.22256,800
1991-01-09$2.16$2.161,145,600
1991-01-08$2.08$2.08492,000
1991-01-07$2.06$2.06324,000
1991-01-04$2.09$2.09148,800
1991-01-03$2.16$2.16845,600
1991-01-02$2.13$2.12393,600