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 — 2018

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2018-12-31$50.71$54.62224,200
2018-12-28$49.92$53.77159,600
2018-12-27$49.37$53.17185,100
2018-12-26$48.82$52.58213,900
2018-12-24$46.70$50.30188,600
2018-12-21$46.83$50.44614,400
2018-12-20$48.40$52.13244,800
2018-12-19$49.37$53.17238,500
2018-12-18$49.73$53.56230,900
2018-12-17$48.82$52.58305,700
2018-12-14$49.81$53.65185,400
2018-12-13$50.50$54.39192,200
2018-12-12$50.49$54.38211,800
2018-12-11$49.03$52.81178,000
2018-12-10$48.32$52.04183,100
2018-12-07$48.21$51.92216,000
2018-12-06$48.69$52.44250,300
2018-12-04$48.05$51.61201,200
2018-12-03$50.27$54.00165,000
2018-11-30$50.32$54.05198,600
2018-11-29$50.34$54.07134,900
2018-11-28$51.10$54.89362,200
2018-11-27$50.75$54.51211,600
2018-11-26$51.63$55.46226,200
2018-11-23$50.69$54.4582,100
2018-11-21$50.49$54.23178,500
2018-11-20$50.16$53.88517,800
2018-11-19$52.10$55.96332,300
2018-11-16$52.98$56.91367,300
2018-11-15$53.82$57.81207,100
2018-11-14$52.95$56.88194,700
2018-11-13$52.65$56.55538,000
2018-11-12$52.64$56.54238,900
2018-11-09$52.83$56.75181,200
2018-11-08$53.30$57.25160,000
2018-11-07$53.30$57.25269,200
2018-11-06$52.76$56.67187,400
2018-11-05$51.54$55.36446,500
2018-11-02$50.69$54.45238,400
2018-11-01$49.73$53.42164,400
2018-10-31$50.46$54.20448,600
2018-10-30$49.81$53.50138,400
2018-10-29$49.05$52.69203,100
2018-10-26$49.05$52.69169,300
2018-10-25$49.07$52.71245,600
2018-10-24$47.35$50.86327,300
2018-10-23$49.29$52.94166,500
2018-10-22$49.72$53.41313,000
2018-10-19$48.82$52.44440,400
2018-10-18$47.32$50.83142,100
2018-10-17$48.47$52.06150,200
2018-10-16$48.68$52.29224,000
2018-10-15$47.85$51.40147,800
2018-10-12$48.06$51.62255,300
2018-10-11$47.82$51.37173,800
2018-10-10$49.14$52.78319,200
2018-10-09$51.10$54.89210,500
2018-10-08$50.76$54.52199,400
2018-10-05$50.97$54.75187,000
2018-10-04$51.50$55.32169,700
2018-10-03$52.66$56.56236,900
2018-10-02$52.09$55.95111,600
2018-10-01$52.43$56.32264,900
2018-09-28$53.60$57.57193,400
2018-09-27$52.15$56.02159,900
2018-09-26$52.40$56.28249,900
2018-09-25$53.45$57.41151,400
2018-09-24$52.50$56.39213,100
2018-09-21$52.65$56.55374,400
2018-09-20$52.25$56.12134,700
2018-09-19$52.20$56.07197,200
2018-09-18$53.80$57.79141,800
2018-09-17$53.65$57.63132,900
2018-09-14$54.50$58.54191,000
2018-09-13$53.75$57.73127,600
2018-09-12$53.10$57.04214,300
2018-09-11$52.55$56.45146,600
2018-09-10$53.50$57.47151,000
2018-09-07$52.90$56.82150,300
2018-09-06$53.15$57.09142,100
2018-09-05$53.25$57.06180,500
2018-09-04$52.65$56.42169,200
2018-08-31$52.35$56.09192,200
2018-08-30$51.70$55.40161,500
2018-08-29$51.35$55.02136,600
2018-08-28$51.20$54.86174,600
2018-08-27$51.95$55.67108,100
2018-08-24$52.80$56.58172,800
2018-08-23$52.00$55.7295,600
2018-08-22$52.45$56.20130,400
2018-08-21$51.90$55.61179,500
2018-08-20$51.05$54.70154,600
2018-08-17$50.80$54.43169,500
2018-08-16$50.75$54.38132,600
2018-08-15$50.35$53.95124,200
2018-08-14$51.55$55.24260,900
2018-08-13$50.40$54.00121,300
2018-08-10$50.35$53.95127,600
2018-08-09$50.05$53.6387,500
2018-08-08$50.35$53.95204,900
2018-08-07$50.63$54.2597,800
2018-08-06$50.45$54.06279,500
2018-08-03$49.40$52.93159,600
2018-08-02$50.35$53.95154,400
2018-08-01$50.20$53.79224,400
2018-07-31$48.90$52.40275,400
2018-07-30$48.40$51.86124,800
2018-07-27$49.25$52.77195,000
2018-07-26$50.30$53.90128,900
2018-07-25$50.50$54.11179,400
2018-07-24$50.05$53.63285,500
2018-07-23$49.50$53.04318,200
2018-07-20$48.85$52.34338,200
2018-07-19$50.45$54.06242,300
2018-07-18$50.35$53.95150,500
2018-07-17$50.10$53.68206,600
2018-07-16$50.05$53.63137,300
2018-07-13$49.95$53.52118,000
2018-07-12$49.95$53.52159,200
2018-07-11$49.75$53.31147,500
2018-07-10$49.55$53.09167,300
2018-07-09$50.30$53.90142,900
2018-07-06$50.50$54.11194,000
2018-07-05$50.00$53.58248,400
2018-07-03$48.45$51.91144,000
2018-07-02$49.40$52.93159,700
2018-06-29$48.30$51.75200,100
2018-06-28$48.95$52.45186,400
2018-06-27$48.95$52.45177,800
2018-06-26$49.75$53.31156,100
2018-06-25$49.25$52.77171,800
2018-06-22$50.25$53.84413,100
2018-06-21$49.60$53.15288,400
2018-06-20$50.55$54.16260,000
2018-06-19$50.50$54.11193,900
2018-06-18$50.85$54.49296,300
2018-06-15$49.95$53.52520,600
2018-06-14$49.90$53.47357,300
2018-06-13$49.25$52.77316,400
2018-06-12$49.45$52.99399,300
2018-06-11$51.60$55.29470,900
2018-06-08$50.20$53.79365,600
2018-06-07$51.83$55.53375,400
2018-06-06$52.30$55.90261,600
2018-06-05$51.40$54.94419,400
2018-06-04$50.03$53.47357,200
2018-06-01$50.70$54.19293,200
2018-05-31$49.15$52.53207,800
2018-05-30$49.70$53.12214,600
2018-05-29$48.60$51.95183,800
2018-05-25$48.25$51.57172,200
2018-05-24$47.92$51.22154,400
2018-05-23$47.38$50.64269,400
2018-05-22$46.95$50.18260,400
2018-05-21$47.10$50.34206,400
2018-05-18$47.08$50.32293,600
2018-05-17$46.50$49.70235,800
2018-05-16$46.88$50.10285,000
2018-05-15$46.00$49.17248,000
2018-05-14$45.53$48.66307,800
2018-05-11$44.83$47.91112,600
2018-05-10$44.45$47.51140,800
2018-05-09$44.15$47.19226,200
2018-05-08$44.13$47.16271,800
2018-05-07$44.20$47.24119,800
2018-05-04$43.90$46.92105,600
2018-05-03$43.47$46.47140,000
2018-05-02$43.40$46.39122,000
2018-05-01$43.45$46.44132,400
2018-04-30$43.20$46.17110,600
2018-04-27$43.45$46.44107,400
2018-04-26$43.40$46.3999,200
2018-04-25$43.13$46.09184,600
2018-04-24$42.85$45.80312,200
2018-04-23$42.90$45.85144,400
2018-04-20$42.92$45.88228,800
2018-04-19$42.30$45.21135,200
2018-04-18$42.38$45.29161,200
2018-04-17$41.70$44.57196,800
2018-04-16$41.22$44.06152,800
2018-04-13$40.45$43.23127,000
2018-04-12$40.45$43.23147,200
2018-04-11$40.33$43.10155,200
2018-04-10$40.05$42.81140,800
2018-04-09$39.30$42.01180,800
2018-04-06$39.70$42.43135,000
2018-04-05$40.20$42.97170,400
2018-04-04$39.92$42.67230,200
2018-04-03$39.58$42.30176,200
2018-04-02$38.60$41.26151,400
2018-03-29$39.33$42.03157,200
2018-03-28$39.13$41.8290,200
2018-03-27$38.90$41.58181,400
2018-03-26$39.13$41.82216,000
2018-03-23$38.40$41.04202,800
2018-03-22$38.88$41.55235,600
2018-03-21$39.83$42.5798,400
2018-03-20$40.17$42.94114,800
2018-03-19$39.97$42.73133,000
2018-03-16$40.33$43.10502,800
2018-03-15$39.90$42.65144,000
2018-03-14$39.72$42.46159,000
2018-03-13$39.38$42.09123,200
2018-03-12$39.65$42.38155,600
2018-03-09$40.13$42.8984,400
2018-03-08$39.40$42.1188,600
2018-03-07$39.35$42.06152,600
2018-03-06$38.63$41.28123,800
2018-03-05$38.33$40.96136,400
2018-03-02$38.28$40.91122,200
2018-03-01$37.83$40.43253,000
2018-02-28$38.88$41.41193,400
2018-02-27$39.22$41.79159,200
2018-02-26$39.40$41.97164,800
2018-02-23$38.90$41.44111,200
2018-02-22$38.70$41.23134,800
2018-02-21$38.13$40.61157,000
2018-02-20$37.75$40.21195,000
2018-02-16$37.75$40.21272,600
2018-02-15$37.45$39.8996,800
2018-02-14$37.08$39.50205,000
2018-02-13$36.30$38.67157,200
2018-02-12$36.05$38.40165,000
2018-02-09$36.05$38.40235,600
2018-02-08$35.83$38.16223,400
2018-02-07$37.13$39.55202,600
2018-02-06$37.58$40.03301,000
2018-02-05$37.67$40.13289,000
2018-02-02$38.28$40.77405,600
2018-02-01$37.60$40.05203,800
2018-01-31$37.08$39.50276,400
2018-01-30$38.00$40.48244,800
2018-01-29$37.83$40.29144,800
2018-01-26$38.70$41.23316,000
2018-01-25$36.80$39.20139,600
2018-01-24$36.38$38.75179,000
2018-01-23$36.88$39.2886,200
2018-01-22$36.78$39.18129,200
2018-01-19$36.78$39.18142,200
2018-01-18$36.22$38.59121,400
2018-01-17$36.58$38.96133,000
2018-01-16$36.00$38.35138,400
2018-01-12$35.90$38.24149,600
2018-01-11$36.10$38.46329,200
2018-01-10$35.75$38.08236,000
2018-01-09$35.58$37.9094,400
2018-01-08$36.10$38.46123,800
2018-01-05$35.95$38.30180,400
2018-01-04$35.45$37.76147,000
2018-01-03$35.20$37.50127,400
2018-01-02$35.58$37.90127,200