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 — 1999

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
1999-12-31$0.83$0.8337,600
1999-12-30$0.83$0.83151,200
1999-12-29$0.84$0.84160,000
1999-12-28$0.85$0.85110,400
1999-12-27$0.86$0.86105,600
1999-12-23$0.80$0.8066,400
1999-12-22$0.77$0.77159,200
1999-12-21$0.79$0.79148,800
1999-12-20$0.86$0.8655,200
1999-12-17$0.86$0.8683,200
1999-12-16$0.86$0.86172,800
1999-12-15$0.86$0.8627,200
1999-12-14$0.86$0.8689,600
1999-12-13$0.86$0.8621,600
1999-12-10$0.86$0.8623,200
1999-12-09$0.86$0.8672,000
1999-12-08$0.86$0.86421,600
1999-12-07$0.86$0.8676,800
1999-12-06$0.86$0.86114,400
1999-12-03$0.84$0.8420,000
1999-12-02$0.83$0.83102,400
1999-12-01$0.84$0.84180,800
1999-11-30$0.84$0.84171,200
1999-11-29$0.82$0.82100,000
1999-11-26$0.82$0.8217,600
1999-11-24$0.82$0.82112,800
1999-11-23$0.82$0.82123,200
1999-11-22$0.82$0.82104,000
1999-11-19$0.82$0.82120,800
1999-11-18$0.84$0.84239,200
1999-11-17$0.82$0.8234,400
1999-11-16$0.84$0.84125,600
1999-11-15$0.82$0.8269,600
1999-11-12$0.82$0.8270,400
1999-11-11$0.82$0.82152,000
1999-11-10$0.82$0.8256,800
1999-11-09$0.82$0.82107,200
1999-11-08$0.81$0.81141,600
1999-11-05$0.84$0.84144,000
1999-11-04$0.82$0.82120,000
1999-11-03$0.82$0.8284,800
1999-11-02$0.81$0.81103,200
1999-11-01$0.81$0.81308,800
1999-10-29$0.83$0.83285,600
1999-10-28$0.80$0.8031,200
1999-10-27$0.81$0.8175,200
1999-10-26$0.81$0.8190,400
1999-10-25$0.80$0.8042,400
1999-10-22$0.80$0.80240,800
1999-10-21$0.80$0.8089,600
1999-10-20$0.78$0.78120,800
1999-10-19$0.78$0.7822,400
1999-10-18$0.81$0.81160,000
1999-10-15$0.78$0.7848,000
1999-10-14$0.84$0.84362,400
1999-10-13$0.75$0.7580,800
1999-10-12$0.66$0.6616,800
1999-10-11$0.70$0.7031,200
1999-10-08$0.67$0.6726,400
1999-10-07$0.67$0.67112,800
1999-10-06$0.68$0.68236,800
1999-10-05$0.66$0.66100,800
1999-10-04$0.66$0.6629,600
1999-10-01$0.67$0.67429,600
1999-09-30$0.63$0.621,105,600
1999-09-29$0.75$0.75202,400
1999-09-28$0.81$0.8146,400
1999-09-27$0.80$0.8045,600
1999-09-24$0.81$0.81161,600
1999-09-23$0.81$0.8132,800
1999-09-22$0.80$0.8026,400
1999-09-21$0.80$0.80100,000
1999-09-20$0.79$0.7910,400
1999-09-17$0.78$0.7836,800
1999-09-16$0.77$0.770
1999-09-15$0.77$0.7759,200
1999-09-14$0.77$0.7747,200
1999-09-13$0.79$0.7940,000
1999-09-10$0.79$0.7930,400
1999-09-09$0.78$0.7829,600
1999-09-08$0.83$0.83136,000
1999-09-07$0.83$0.8344,000
1999-09-03$0.84$0.841,600
1999-09-02$0.84$0.8449,600
1999-09-01$0.83$0.8331,200
1999-08-31$0.82$0.82108,000
1999-08-30$0.81$0.812,400
1999-08-27$0.81$0.81108,000
1999-08-26$0.84$0.8443,200
1999-08-25$0.84$0.843,200
1999-08-24$0.83$0.83109,600
1999-08-23$0.84$0.8421,600
1999-08-20$0.84$0.84228,000
1999-08-19$0.84$0.8412,800
1999-08-18$0.83$0.8346,400
1999-08-17$0.86$0.8684,800
1999-08-16$0.86$0.8675,200
1999-08-13$0.84$0.84800
1999-08-12$0.84$0.846,400
1999-08-11$0.86$0.8665,600
1999-08-10$0.86$0.86234,400
1999-08-09$0.87$0.8724,800
1999-08-06$0.87$0.8740,000
1999-08-05$0.84$0.84111,200
1999-08-04$0.88$0.8832,000
1999-08-03$0.88$0.8864,800
1999-08-02$0.88$0.8895,200
1999-07-30$0.89$0.8964,800
1999-07-29$0.90$0.9023,200
1999-07-28$0.89$0.899,600
1999-07-27$0.89$0.897,200
1999-07-26$0.90$0.9032,800
1999-07-23$0.91$0.91237,600
1999-07-22$0.88$0.88116,000
1999-07-21$0.88$0.88120,000
1999-07-20$0.91$0.9139,200
1999-07-19$0.91$0.9196,000
1999-07-16$0.89$0.89108,000
1999-07-15$0.94$0.94185,600
1999-07-14$0.91$0.91157,600
1999-07-13$0.88$0.88150,400
1999-07-12$0.86$0.86124,800
1999-07-09$0.88$0.8848,000
1999-07-08$0.84$0.84174,400
1999-07-07$0.88$0.88126,400
1999-07-06$0.86$0.86139,200
1999-07-02$0.88$0.88458,400
1999-07-01$0.88$0.8835,200
1999-06-30$0.88$0.8888,800
1999-06-29$0.87$0.87858,400
1999-06-28$0.84$0.8442,400
1999-06-25$0.84$0.8450,400
1999-06-24$0.84$0.8450,400
1999-06-23$0.84$0.8481,600
1999-06-22$0.84$0.8423,200
1999-06-21$0.83$0.83109,600
1999-06-18$0.81$0.81278,400
1999-06-17$0.84$0.8444,000
1999-06-16$0.81$0.81158,400
1999-06-15$0.81$0.81228,000
1999-06-14$0.81$0.8140,000
1999-06-11$0.82$0.8284,800
1999-06-10$0.81$0.81120,000
1999-06-09$0.81$0.81119,200
1999-06-08$0.83$0.836,400
1999-06-07$0.83$0.8373,600
1999-06-04$0.84$0.84168,000
1999-06-03$0.84$0.84289,600
1999-06-02$0.88$0.8880,800
1999-06-01$0.86$0.8647,200
1999-05-28$0.88$0.8854,400
1999-05-27$0.89$0.8975,200
1999-05-26$0.86$0.86121,600
1999-05-25$0.91$0.91177,600
1999-05-24$0.87$0.87235,200
1999-05-21$0.80$0.80298,400
1999-05-20$0.75$0.7589,600
1999-05-19$0.70$0.700
1999-05-18$0.70$0.7017,600
1999-05-17$0.71$0.7111,200
1999-05-14$0.73$0.7311,200
1999-05-13$0.70$0.702,400
1999-05-12$0.73$0.73103,200
1999-05-11$0.72$0.72187,200
1999-05-10$0.70$0.7064,800
1999-05-07$0.72$0.7258,400
1999-05-06$0.72$0.7229,600
1999-05-05$0.72$0.7224,000
1999-05-04$0.73$0.7356,800
1999-05-03$0.73$0.7373,600
1999-04-30$0.73$0.7386,400
1999-04-29$0.70$0.701,600
1999-04-28$0.70$0.7089,600
1999-04-27$0.70$0.709,600
1999-04-26$0.70$0.7076,000
1999-04-23$0.66$0.6640,800
1999-04-22$0.66$0.664,800
1999-04-21$0.66$0.663,200
1999-04-20$0.66$0.6611,200
1999-04-19$0.66$0.66355,200
1999-04-16$0.69$0.69293,600
1999-04-15$0.67$0.67169,600
1999-04-14$0.67$0.67138,400
1999-04-13$0.67$0.6756,800
1999-04-12$0.67$0.6753,600
1999-04-09$0.67$0.6719,200
1999-04-08$0.68$0.6880,000
1999-04-07$0.67$0.671,454,400
1999-04-06$0.70$0.7040,000
1999-04-05$0.70$0.70307,200
1999-04-01$0.70$0.70264,000
1999-03-31$0.70$0.70200,800
1999-03-30$0.69$0.6929,600
1999-03-29$0.70$0.7020,000
1999-03-26$0.70$0.7083,200
1999-03-25$0.73$0.7384,800
1999-03-24$0.72$0.72507,200
1999-03-23$0.72$0.7240,800
1999-03-22$0.73$0.73105,600
1999-03-19$0.72$0.7236,800
1999-03-18$0.73$0.738,000
1999-03-17$0.72$0.72349,600
1999-03-16$0.72$0.72216,000
1999-03-15$0.73$0.7347,200
1999-03-12$0.72$0.72191,200
1999-03-11$0.72$0.7292,000
1999-03-10$0.73$0.73272,000
1999-03-09$0.72$0.72168,800
1999-03-08$0.72$0.7257,600
1999-03-05$0.70$0.7010,400
1999-03-04$0.70$0.7056,000
1999-03-03$0.72$0.7253,600
1999-03-02$0.72$0.7220,800
1999-03-01$0.72$0.728,800
1999-02-26$0.72$0.723,200
1999-02-25$0.77$0.7736,000
1999-02-24$0.73$0.73116,000
1999-02-23$0.73$0.73260,000
1999-02-22$0.75$0.75284,000
1999-02-19$0.75$0.75283,200
1999-02-18$0.77$0.77297,600
1999-02-17$0.77$0.770
1999-02-16$0.77$0.7730,400
1999-02-12$0.75$0.7557,600
1999-02-11$0.73$0.73136,800
1999-02-10$0.73$0.731,600
1999-02-09$0.78$0.78192,800
1999-02-08$0.73$0.7336,800
1999-02-05$0.75$0.7562,400
1999-02-04$0.77$0.7728,800
1999-02-03$0.75$0.7591,200
1999-02-02$0.75$0.7541,600
1999-02-01$0.72$0.7247,200
1999-01-29$0.77$0.7773,600
1999-01-28$0.76$0.76179,200
1999-01-27$0.75$0.75150,400
1999-01-26$0.80$0.8020,000
1999-01-25$0.78$0.7828,000
1999-01-22$0.76$0.7630,400
1999-01-21$0.77$0.77252,800
1999-01-20$0.76$0.768,000
1999-01-19$0.76$0.76664,800
1999-01-15$0.75$0.75146,400
1999-01-14$0.78$0.7810,400
1999-01-13$0.75$0.7578,400
1999-01-12$0.78$0.7851,200
1999-01-11$0.80$0.80355,200
1999-01-08$0.75$0.75279,200
1999-01-07$0.81$0.8171,200
1999-01-06$0.81$0.8170,400
1999-01-05$0.78$0.78101,600
1999-01-04$0.75$0.75168,000