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 — 2009

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2009-12-31$6.96$6.96162,800
2009-12-30$7.00$6.99108,000
2009-12-29$7.04$7.04101,600
2009-12-28$6.98$6.9894,000
2009-12-24$7.07$7.0720,000
2009-12-23$7.07$7.07124,000
2009-12-22$7.02$7.02136,000
2009-12-21$7.01$7.01138,000
2009-12-18$7.01$7.01714,800
2009-12-17$6.93$6.93103,600
2009-12-16$6.89$6.89328,400
2009-12-15$6.89$6.89210,800
2009-12-14$7.15$7.1596,400
2009-12-11$6.98$6.9850,800
2009-12-10$6.98$6.9893,600
2009-12-09$7.04$7.04125,600
2009-12-08$7.00$7.00126,800
2009-12-07$6.95$6.95201,200
2009-12-04$6.91$6.91206,400
2009-12-03$6.86$6.85199,200
2009-12-02$6.92$6.92134,000
2009-12-01$6.88$6.87419,200
2009-11-30$6.75$6.75266,400
2009-11-27$6.62$6.6286,400
2009-11-25$6.92$6.92286,800
2009-11-24$6.89$6.89120,400
2009-11-23$6.95$6.95172,800
2009-11-20$6.66$6.66174,800
2009-11-19$6.65$6.65172,000
2009-11-18$6.84$6.84118,400
2009-11-17$6.73$6.73158,800
2009-11-16$6.76$6.76198,800
2009-11-13$6.39$6.3992,000
2009-11-12$6.29$6.29112,800
2009-11-11$6.53$6.53148,800
2009-11-10$6.45$6.44140,000
2009-11-09$6.56$6.5682,000
2009-11-06$6.43$6.4298,400
2009-11-05$6.50$6.50114,400
2009-11-04$6.26$6.26143,200
2009-11-03$6.57$6.5796,800
2009-11-02$6.53$6.53146,000
2009-10-30$6.50$6.50204,400
2009-10-29$6.75$6.75147,200
2009-10-28$6.85$6.85208,000
2009-10-27$7.03$7.03123,600
2009-10-26$7.14$7.14121,200
2009-10-23$7.19$7.19104,800
2009-10-22$7.39$7.39164,400
2009-10-21$6.91$6.91146,800
2009-10-20$7.05$7.05124,000
2009-10-19$7.16$7.16123,600
2009-10-16$7.10$7.09128,800
2009-10-15$7.11$7.11129,600
2009-10-14$7.03$7.03104,400
2009-10-13$6.90$6.89159,200
2009-10-12$6.96$6.9693,600
2009-10-09$7.00$6.99152,000
2009-10-08$6.98$6.98331,600
2009-10-07$6.88$6.87116,000
2009-10-06$6.91$6.91157,600
2009-10-05$6.84$6.84210,800
2009-10-02$6.87$6.86330,800
2009-10-01$6.89$6.88250,800
2009-09-30$7.04$7.04270,800
2009-09-29$7.07$7.07203,200
2009-09-28$7.17$7.16206,800
2009-09-25$7.10$7.10123,600
2009-09-24$7.12$7.12229,200
2009-09-23$7.16$7.16198,400
2009-09-22$7.18$7.17158,400
2009-09-21$7.18$7.18207,200
2009-09-18$7.18$7.17768,800
2009-09-17$7.42$7.42253,200
2009-09-16$7.44$7.44126,400
2009-09-15$7.45$7.45205,200
2009-09-14$7.46$7.45304,400
2009-09-11$7.46$7.45193,600
2009-09-10$7.40$7.40313,200
2009-09-09$7.29$7.291,008,800
2009-09-08$7.29$7.296,374,000
2009-09-04$7.21$7.21333,600
2009-09-03$7.09$7.09278,800
2009-09-02$6.95$6.95513,600
2009-09-01$6.90$6.90392,400
2009-08-31$7.07$7.071,373,600
2009-08-28$6.35$6.35253,200
2009-08-27$6.36$6.36142,400
2009-08-26$6.36$6.36250,400
2009-08-25$6.42$6.41156,000
2009-08-24$6.44$6.43194,800
2009-08-21$6.38$6.38438,400
2009-08-20$6.40$6.3971,600
2009-08-19$6.31$6.31137,600
2009-08-18$6.27$6.27221,600
2009-08-17$6.31$6.31208,400
2009-08-14$6.38$6.38294,000
2009-08-13$6.54$6.54208,000
2009-08-12$6.57$6.57192,000
2009-08-11$6.51$6.50136,400
2009-08-10$6.62$6.62165,600
2009-08-07$6.52$6.52124,800
2009-08-06$6.48$6.47164,400
2009-08-05$6.51$6.51132,000
2009-08-04$6.54$6.54116,800
2009-08-03$6.53$6.53140,000
2009-07-31$6.45$6.45231,200
2009-07-30$6.48$6.48347,200
2009-07-29$6.44$6.44210,800
2009-07-28$6.50$6.50295,200
2009-07-27$6.51$6.51216,400
2009-07-24$6.53$6.53183,600
2009-07-23$6.44$6.43727,200
2009-07-22$6.65$6.65545,200
2009-07-21$7.14$7.14125,600
2009-07-20$7.12$7.12268,800
2009-07-17$7.01$7.01218,000
2009-07-16$7.17$7.16188,800
2009-07-15$7.10$7.10266,000
2009-07-14$6.66$6.65334,000
2009-07-13$6.57$6.57320,400
2009-07-10$6.15$6.15226,000
2009-07-09$5.99$5.99155,600
2009-07-08$6.09$6.09215,200
2009-07-07$6.02$6.02180,800
2009-07-06$6.10$6.10154,000
2009-07-02$6.15$6.15245,600
2009-07-01$6.31$6.31195,600
2009-06-30$6.13$6.13230,400
2009-06-29$6.17$6.17302,800
2009-06-26$6.07$6.071,213,200
2009-06-25$6.11$6.11169,200
2009-06-24$6.04$6.03182,400
2009-06-23$5.92$5.92740,000
2009-06-22$5.92$5.92440,400
2009-06-19$6.16$6.16348,000
2009-06-18$6.30$6.30179,600
2009-06-17$6.45$6.4589,200
2009-06-16$6.35$6.35144,400
2009-06-15$6.48$6.47147,600
2009-06-12$6.77$6.76124,000
2009-06-11$6.86$6.85167,600
2009-06-10$6.81$6.81164,800
2009-06-09$6.84$6.83144,800
2009-06-08$6.77$6.76152,400
2009-06-05$6.85$6.84129,600
2009-06-04$6.87$6.87140,000
2009-06-03$6.95$6.95174,800
2009-06-02$6.88$6.87310,800
2009-06-01$7.02$7.02266,400
2009-05-29$6.56$6.56223,200
2009-05-28$6.46$6.46119,200
2009-05-27$6.53$6.53197,200
2009-05-26$6.57$6.57305,600
2009-05-22$6.38$6.38149,600
2009-05-21$6.54$6.54204,800
2009-05-20$6.75$6.75185,200
2009-05-19$6.84$6.84170,000
2009-05-18$6.91$6.91123,600
2009-05-15$6.76$6.76185,200
2009-05-14$6.77$6.77155,600
2009-05-13$6.82$6.81135,200
2009-05-12$6.99$6.99268,000
2009-05-11$7.09$7.09194,000
2009-05-08$7.21$7.21179,600
2009-05-07$7.02$7.02191,200
2009-05-06$7.00$7.00187,600
2009-05-05$7.00$7.00365,200
2009-05-04$7.04$7.04198,800
2009-05-01$6.99$6.99303,600
2009-04-30$6.98$6.98316,800
2009-04-29$6.86$6.86195,200
2009-04-28$6.65$6.65216,000
2009-04-27$6.57$6.56342,400
2009-04-24$6.77$6.77269,200
2009-04-23$6.90$6.90372,400
2009-04-22$6.70$6.69209,600
2009-04-21$6.65$6.65182,800
2009-04-20$6.52$6.52200,400
2009-04-17$6.81$6.81158,400
2009-04-16$6.73$6.73257,200
2009-04-15$6.72$6.72192,400
2009-04-14$6.66$6.65147,600
2009-04-13$6.93$6.92374,400
2009-04-09$7.10$7.10366,400
2009-04-08$6.98$6.98259,200
2009-04-07$6.67$6.67283,600
2009-04-06$6.82$6.82236,400
2009-04-03$6.85$6.85264,800
2009-04-02$6.90$6.90706,000
2009-04-01$6.43$6.43339,600
2009-03-31$6.33$6.33524,000
2009-03-30$6.35$6.35621,600
2009-03-27$6.31$6.31438,800
2009-03-26$6.64$6.64557,200
2009-03-25$6.67$6.67485,200
2009-03-24$6.39$6.39197,600
2009-03-23$6.61$6.60540,800
2009-03-20$6.43$6.43414,400
2009-03-19$6.45$6.45370,800
2009-03-18$6.38$6.38526,400
2009-03-17$6.13$6.13262,000
2009-03-16$5.87$5.86228,800
2009-03-13$5.99$5.99274,400
2009-03-12$6.06$6.06376,000
2009-03-11$5.84$5.84409,600
2009-03-10$5.96$5.96714,400
2009-03-09$5.95$5.95651,200
2009-03-06$6.08$6.08685,200
2009-03-05$5.81$5.81652,400
2009-03-04$6.00$6.00560,800
2009-03-03$5.96$5.95986,000
2009-03-02$5.62$5.62791,600
2009-02-27$5.62$5.62528,800
2009-02-26$5.38$5.37442,400
2009-02-25$5.28$5.27454,000
2009-02-24$5.29$5.29444,400
2009-02-23$4.98$4.981,082,800
2009-02-20$5.08$5.08658,000
2009-02-19$5.15$5.15526,000
2009-02-18$5.31$5.30434,400
2009-02-17$5.55$5.54178,800
2009-02-13$5.78$5.78231,600
2009-02-12$5.77$5.77444,800
2009-02-11$5.85$5.85395,200
2009-02-10$5.87$5.86523,600
2009-02-09$6.13$6.13251,200
2009-02-06$6.26$6.26729,600
2009-02-05$6.15$6.15318,400
2009-02-04$6.54$6.54206,800
2009-02-03$6.85$6.85370,800
2009-02-02$6.44$6.44188,400
2009-01-30$6.13$6.13184,000
2009-01-29$6.29$6.29254,400
2009-01-28$6.52$6.52183,200
2009-01-27$6.36$6.36112,400
2009-01-26$6.26$6.26127,600
2009-01-23$6.16$6.16131,200
2009-01-22$6.46$6.46183,200
2009-01-21$6.63$6.63216,400
2009-01-20$6.29$6.29198,400
2009-01-16$6.53$6.53140,000
2009-01-15$6.70$6.70192,000
2009-01-14$6.35$6.35393,600
2009-01-13$6.68$6.68116,800
2009-01-12$6.68$6.68443,200
2009-01-09$6.78$6.78234,000
2009-01-08$7.09$7.09244,400
2009-01-07$7.14$7.14181,600
2009-01-06$7.41$7.41242,800
2009-01-05$7.55$7.54287,200
2009-01-02$7.57$7.57245,600