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.

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Historical Stock Price — 1997

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
1997-12-31$1.31$1.31902,400
1997-12-30$1.06$1.0648,000
1997-12-29$1.06$1.0684,000
1997-12-26$1.02$1.0216,800
1997-12-24$1.00$1.0052,000
1997-12-23$1.00$1.00184,800
1997-12-22$1.00$1.00119,200
1997-12-19$1.06$1.0663,200
1997-12-18$1.13$1.1335,200
1997-12-17$1.08$1.0814,400
1997-12-16$1.06$1.0620,800
1997-12-15$1.06$1.0655,200
1997-12-12$1.14$1.1428,000
1997-12-11$1.19$1.1928,800
1997-12-10$1.19$1.1934,400
1997-12-09$1.14$1.142,400
1997-12-08$1.16$1.1631,200
1997-12-05$1.16$1.1614,400
1997-12-04$1.14$1.1492,800
1997-12-03$1.19$1.1937,600
1997-12-02$1.17$1.1745,600
1997-12-01$1.19$1.19167,200
1997-11-28$1.17$1.1778,400
1997-11-26$1.17$1.1768,800
1997-11-25$1.16$1.16100,000
1997-11-24$1.19$1.1966,400
1997-11-21$1.19$1.1931,200
1997-11-20$1.19$1.1964,000
1997-11-19$1.17$1.17171,200
1997-11-18$1.20$1.208,800
1997-11-17$1.19$1.1969,600
1997-11-14$1.18$1.1896,000
1997-11-13$1.19$1.1963,200
1997-11-12$1.23$1.23342,400
1997-11-11$1.25$1.2548,800
1997-11-10$1.23$1.23166,400
1997-11-07$1.23$1.2376,800
1997-11-06$1.25$1.2571,200
1997-11-05$1.25$1.2579,200
1997-11-04$1.25$1.25124,000
1997-11-03$1.25$1.2561,600
1997-10-31$1.23$1.2372,800
1997-10-30$1.21$1.21388,000
1997-10-29$1.19$1.19458,400
1997-10-28$1.20$1.201,966,400
1997-10-27$1.11$1.1180,000
1997-10-24$1.19$1.1962,400
1997-10-23$1.22$1.22264,800
1997-10-22$1.16$1.1664,800
1997-10-21$1.17$1.17228,800
1997-10-20$1.22$1.22141,600
1997-10-17$1.22$1.22199,200
1997-10-16$1.33$1.33898,400
1997-10-15$1.25$1.25377,600
1997-10-14$1.20$1.20199,200
1997-10-13$1.17$1.1764,000
1997-10-10$1.20$1.20250,400
1997-10-09$1.22$1.22170,400
1997-10-08$1.22$1.22294,400
1997-10-07$1.22$1.22268,800
1997-10-06$1.13$1.13362,400
1997-10-03$1.08$1.08387,200
1997-10-02$1.00$1.00140,800
1997-10-01$0.94$0.94106,400
1997-09-30$0.94$0.9437,600
1997-09-29$1.00$1.00188,000
1997-09-26$0.94$0.94176,000
1997-09-25$0.94$0.9431,200
1997-09-24$0.94$0.94116,000
1997-09-23$0.94$0.9454,400
1997-09-22$0.95$0.9538,400
1997-09-19$0.95$0.9528,800
1997-09-18$1.00$1.0088,000
1997-09-17$0.95$0.95193,600
1997-09-16$0.93$0.9310,400
1997-09-15$0.91$0.9118,400
1997-09-12$0.91$0.9178,400
1997-09-11$0.91$0.9166,400
1997-09-10$0.91$0.910
1997-09-09$0.91$0.9158,400
1997-09-08$0.91$0.9131,200
1997-09-05$0.91$0.9184,000
1997-09-04$0.94$0.9411,200
1997-09-03$0.91$0.91109,600
1997-09-02$0.91$0.919,600
1997-08-29$0.91$0.9132,800
1997-08-28$0.94$0.9416,800
1997-08-27$0.94$0.9434,400
1997-08-26$0.94$0.94825,600
1997-08-25$0.92$0.92117,600
1997-08-22$0.91$0.91501,600
1997-08-21$0.91$0.9134,400
1997-08-20$0.91$0.9153,600
1997-08-19$0.91$0.9196,800
1997-08-18$0.91$0.91121,600
1997-08-15$0.92$0.924,000
1997-08-14$0.92$0.9211,200
1997-08-13$0.91$0.9125,600
1997-08-12$0.91$0.919,600
1997-08-11$0.94$0.94151,200
1997-08-08$0.91$0.918,000
1997-08-07$0.94$0.9419,200
1997-08-06$0.93$0.9324,800
1997-08-05$0.95$0.9595,200
1997-08-04$0.95$0.9595,200
1997-08-01$0.92$0.92447,200
1997-07-31$0.91$0.9165,600
1997-07-30$0.88$0.8861,600
1997-07-29$0.84$0.8434,400
1997-07-28$0.88$0.88278,400
1997-07-25$0.89$0.8940,000
1997-07-24$0.91$0.91112,800
1997-07-23$0.90$0.90181,600
1997-07-22$0.89$0.89320,800
1997-07-21$0.81$0.81259,200
1997-07-18$0.78$0.78316,800
1997-07-17$0.78$0.7828,000
1997-07-16$0.83$0.8385,600
1997-07-15$0.81$0.81100,000
1997-07-14$0.80$0.8034,400
1997-07-11$0.80$0.8035,200
1997-07-10$0.81$0.8153,600
1997-07-09$0.77$0.7724,000
1997-07-08$0.81$0.8119,200
1997-07-07$0.81$0.8112,000
1997-07-03$0.75$0.7522,400
1997-07-02$0.80$0.8017,600
1997-07-01$0.81$0.8146,400
1997-06-30$0.78$0.7884,800
1997-06-27$0.75$0.75191,200
1997-06-26$0.84$0.8459,200
1997-06-25$0.84$0.84183,200
1997-06-24$0.73$0.73107,200
1997-06-23$0.67$0.6733,600
1997-06-20$0.67$0.6715,200
1997-06-19$0.73$0.73109,600
1997-06-18$0.67$0.673,200
1997-06-17$0.72$0.7231,200
1997-06-16$0.67$0.6724,800
1997-06-13$0.73$0.7320,800
1997-06-12$0.73$0.733,200
1997-06-11$0.73$0.7332,000
1997-06-10$0.67$0.67108,000
1997-06-09$0.67$0.67144,800
1997-06-06$0.72$0.7212,800
1997-06-05$0.72$0.7270,400
1997-06-04$0.69$0.691,600
1997-06-03$0.70$0.7088,000
1997-06-02$0.72$0.724,800
1997-05-30$0.78$0.7874,400
1997-05-29$0.78$0.7862,400
1997-05-28$0.78$0.7898,400
1997-05-27$0.75$0.7531,200
1997-05-23$0.78$0.78800
1997-05-22$0.73$0.73152,000
1997-05-21$0.75$0.7548,800
1997-05-20$0.75$0.75111,200
1997-05-19$0.69$0.6912,000
1997-05-16$0.73$0.7343,200
1997-05-15$0.69$0.690
1997-05-14$0.69$0.690
1997-05-13$0.69$0.696,400
1997-05-12$0.66$0.6696,000
1997-05-09$0.72$0.724,800
1997-05-08$0.72$0.7227,200
1997-05-07$0.77$0.770
1997-05-06$0.77$0.7766,400
1997-05-05$0.75$0.75168,000
1997-05-02$0.72$0.728,000
1997-05-01$0.75$0.7523,200
1997-04-30$0.77$0.7752,000
1997-04-29$0.72$0.7243,200
1997-04-28$0.75$0.7544,800
1997-04-25$0.69$0.6921,600
1997-04-24$0.72$0.7213,600
1997-04-23$0.69$0.6958,400
1997-04-22$0.72$0.728,000
1997-04-21$0.72$0.7223,200
1997-04-18$0.75$0.75509,600
1997-04-17$0.69$0.69104,000
1997-04-16$0.70$0.70211,200
1997-04-15$0.61$0.614,000
1997-04-14$0.61$0.61244,800
1997-04-11$0.52$0.5282,400
1997-04-10$0.52$0.528,800
1997-04-09$0.52$0.5264,800
1997-04-08$0.52$0.5250,400
1997-04-07$0.50$0.50515,200
1997-04-04$0.58$0.5885,600
1997-04-03$0.58$0.5840,800
1997-04-02$0.61$0.6132,800
1997-04-01$0.59$0.5913,600
1997-03-31$0.58$0.58127,200
1997-03-27$0.56$0.5617,600
1997-03-26$0.59$0.598,800
1997-03-25$0.59$0.59252,000
1997-03-24$0.53$0.53277,600
1997-03-21$0.63$0.627,200
1997-03-20$0.63$0.6232,800
1997-03-19$0.63$0.6271,200
1997-03-18$0.66$0.6616,800
1997-03-17$0.66$0.6698,400
1997-03-14$0.67$0.67124,000
1997-03-13$0.63$0.6235,200
1997-03-12$0.63$0.6230,400
1997-03-11$0.64$0.644,000
1997-03-10$0.64$0.64107,200
1997-03-07$0.59$0.59221,600
1997-03-06$0.63$0.62318,400
1997-03-05$0.64$0.64667,200
1997-03-04$0.66$0.661,600
1997-03-03$0.67$0.6731,200
1997-02-28$0.69$0.69235,200
1997-02-27$0.72$0.7247,200
1997-02-26$0.69$0.6942,400
1997-02-25$0.72$0.7211,200
1997-02-24$0.70$0.70252,800
1997-02-21$0.69$0.6923,200
1997-02-20$0.69$0.69226,400
1997-02-19$0.72$0.7276,800
1997-02-18$0.72$0.72169,600
1997-02-14$0.72$0.7236,800
1997-02-13$0.75$0.7561,600
1997-02-12$0.75$0.75122,400
1997-02-11$0.80$0.8036,800
1997-02-10$0.80$0.80172,000
1997-02-07$0.78$0.7852,000
1997-02-06$0.75$0.7533,600
1997-02-05$0.77$0.77163,200
1997-02-04$0.74$0.7422,400
1997-02-03$0.72$0.72108,000
1997-01-31$0.75$0.75134,400
1997-01-30$0.75$0.7524,800
1997-01-29$0.75$0.7572,000
1997-01-28$0.70$0.7028,000
1997-01-27$0.70$0.7041,600
1997-01-24$0.72$0.72112,800
1997-01-23$0.69$0.69170,400
1997-01-22$0.69$0.69119,200
1997-01-21$0.72$0.7224,000
1997-01-20$0.70$0.70239,200
1997-01-17$0.77$0.779,600
1997-01-16$0.73$0.736,400
1997-01-15$0.73$0.7332,000
1997-01-14$0.73$0.73137,600
1997-01-13$0.77$0.7732,800
1997-01-10$0.78$0.7852,000
1997-01-09$0.77$0.77800
1997-01-08$0.80$0.804,000
1997-01-07$0.78$0.78203,200
1997-01-06$0.75$0.7517,600
1997-01-03$0.75$0.756,400
1997-01-02$0.77$0.7721,600