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 — 2025

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2025-12-31$69.46$80.80269,800
2025-12-30$70.27$81.74188,900
2025-12-29$71.22$82.84401,900
2025-12-26$71.35$83.00362,000
2025-12-24$71.77$83.48181,200
2025-12-23$72.13$83.90411,900
2025-12-22$72.84$84.73484,100
2025-12-19$72.02$83.771,056,600
2025-12-18$73.29$85.25496,700
2025-12-17$73.69$85.72384,100
2025-12-16$74.20$86.31539,400
2025-12-15$74.68$86.87600,700
2025-12-12$73.63$85.65785,600
2025-12-11$73.44$85.43442,000
2025-12-10$71.33$82.97467,100
2025-12-09$70.92$82.49337,300
2025-12-08$71.97$83.72346,500
2025-12-05$73.22$85.17358,200
2025-12-04$74.25$86.02377,400
2025-12-03$73.78$85.48347,600
2025-12-02$73.22$84.83413,900
2025-12-01$73.12$84.71678,500
2025-11-28$72.30$83.76294,000
2025-11-26$72.57$84.07319,700
2025-11-25$72.40$83.88463,000
2025-11-24$70.80$82.02519,800
2025-11-21$70.63$81.83367,600
2025-11-20$68.57$79.44336,100
2025-11-19$68.19$79.00269,100
2025-11-18$68.76$79.66449,900
2025-11-17$68.89$79.81489,600
2025-11-14$69.94$81.03382,900
2025-11-13$69.93$81.01351,900
2025-11-12$70.21$81.34305,100
2025-11-11$70.95$82.20304,300
2025-11-10$70.79$82.01308,500
2025-11-07$70.57$81.76323,400
2025-11-06$71.22$82.51355,400
2025-11-05$73.66$85.34360,600
2025-11-04$71.70$83.07476,500
2025-11-03$72.07$83.49558,300
2025-10-31$70.81$82.031,129,400
2025-10-30$66.82$77.41910,300
2025-10-29$65.41$75.78335,900
2025-10-28$67.42$78.11216,000
2025-10-27$67.77$78.51363,000
2025-10-24$69.31$80.30238,200
2025-10-23$68.96$79.89201,200
2025-10-22$69.14$80.10268,100
2025-10-21$69.92$81.00238,300
2025-10-20$69.06$80.01271,400
2025-10-17$67.50$78.20378,800
2025-10-16$68.25$79.07546,500
2025-10-15$67.23$77.89346,500
2025-10-14$66.93$77.54294,900
2025-10-13$65.86$76.30313,800
2025-10-10$65.27$75.62319,600
2025-10-09$65.28$75.63260,600
2025-10-08$66.60$77.16332,100
2025-10-07$66.31$76.82359,400
2025-10-06$67.27$77.93379,400
2025-10-03$67.10$77.74387,500
2025-10-02$68.03$78.81351,800
2025-10-01$69.22$80.19286,000
2025-09-30$69.48$80.49610,800
2025-09-29$69.38$80.38332,200
2025-09-26$69.50$80.52285,700
2025-09-25$69.31$80.30412,800
2025-09-24$68.96$79.89449,900
2025-09-23$68.88$79.80392,200
2025-09-22$69.98$81.07329,400
2025-09-19$69.34$80.331,328,000
2025-09-18$70.16$81.28483,200
2025-09-17$68.99$79.93373,600
2025-09-16$69.67$80.71464,000
2025-09-15$69.47$80.48714,200
2025-09-12$70.05$81.15254,300
2025-09-11$70.95$82.20322,300
2025-09-10$69.38$80.38658,800
2025-09-09$69.66$80.70423,700
2025-09-08$71.00$82.25308,200
2025-09-05$71.42$82.74365,100
2025-09-04$72.98$84.20393,700
2025-09-03$71.85$82.90479,900
2025-09-02$71.93$82.99613,200
2025-08-29$71.38$82.35357,500
2025-08-28$72.23$83.34505,900
2025-08-27$72.98$84.20666,900
2025-08-26$71.73$82.76487,300
2025-08-25$70.81$81.70292,500
2025-08-22$72.29$83.40318,900
2025-08-21$70.48$81.32580,500
2025-08-20$70.03$80.80697,300
2025-08-19$69.60$80.30983,300
2025-08-18$69.12$79.75742,300
2025-08-15$69.25$79.90539,700
2025-08-14$70.67$81.54293,700
2025-08-13$72.65$83.82261,100
2025-08-12$70.93$81.84229,900
2025-08-11$69.73$80.45288,100
2025-08-08$70.65$81.51189,500
2025-08-07$71.27$82.23263,600
2025-08-06$71.49$82.48299,800
2025-08-05$71.21$82.16278,200
2025-08-04$70.58$81.43407,500
2025-08-01$68.33$78.84949,100
2025-07-31$68.96$79.56543,900
2025-07-30$68.83$79.41302,500
2025-07-29$70.44$81.27239,200
2025-07-28$71.09$82.02291,400
2025-07-25$72.23$83.34194,600
2025-07-24$72.13$83.22196,300
2025-07-23$72.68$83.85219,000
2025-07-22$72.66$83.83271,100
2025-07-21$71.34$82.31229,500
2025-07-18$72.51$83.66258,700
2025-07-17$74.06$85.45298,400
2025-07-16$72.92$84.13282,400
2025-07-15$72.34$83.46245,700
2025-07-14$74.46$85.91207,000
2025-07-11$74.32$85.75278,800
2025-07-10$75.98$87.66495,300
2025-07-09$74.19$85.60495,200
2025-07-08$76.13$87.83222,600
2025-07-07$75.57$87.19243,700
2025-07-03$77.10$88.95186,400
2025-07-02$77.60$89.53408,000
2025-07-01$76.56$88.33241,500
2025-06-30$74.71$86.20335,900
2025-06-27$74.16$85.56638,800
2025-06-26$75.94$87.62221,400
2025-06-25$74.96$86.49293,700
2025-06-24$75.65$87.28382,400
2025-06-23$73.75$85.09258,100
2025-06-20$72.88$84.09851,600
2025-06-18$75.05$86.59401,900
2025-06-17$74.57$86.04312,500
2025-06-16$75.81$87.47358,800
2025-06-13$75.10$86.65386,000
2025-06-12$75.63$87.26314,900
2025-06-11$76.22$87.94191,900
2025-06-10$77.47$89.38139,300
2025-06-09$77.39$89.29254,700
2025-06-06$77.41$89.31147,400
2025-06-05$77.16$88.68341,800
2025-06-04$77.88$89.50218,700
2025-06-03$78.24$89.92190,000
2025-06-02$77.10$88.61422,200
2025-05-30$76.34$87.73520,200
2025-05-29$77.24$88.77234,600
2025-05-28$75.87$87.19426,200
2025-05-27$77.54$89.11302,300
2025-05-23$76.20$87.57185,000
2025-05-22$77.43$88.99203,800
2025-05-21$77.40$88.95226,200
2025-05-20$79.32$91.16234,500
2025-05-19$79.96$91.90215,600
2025-05-16$80.05$92.00458,600
2025-05-15$79.23$91.06189,800
2025-05-14$77.74$89.34221,600
2025-05-13$79.14$90.95369,600
2025-05-12$79.58$91.46366,000
2025-05-09$76.67$88.11203,700
2025-05-08$77.20$88.72300,900
2025-05-07$74.86$86.03232,700
2025-05-06$75.19$86.41284,400
2025-05-05$75.38$86.63386,300
2025-05-02$76.78$88.24585,700
2025-05-01$77.82$89.44363,100
2025-04-30$78.68$90.42290,500
2025-04-29$78.88$90.65351,700
2025-04-28$78.20$89.87209,900
2025-04-25$79.15$90.96255,900
2025-04-24$78.99$90.78501,700
2025-04-23$79.98$91.92237,700
2025-04-22$79.53$91.40496,500
2025-04-21$78.23$89.91361,500
2025-04-17$78.28$89.96302,400
2025-04-16$79.39$91.24236,700
2025-04-15$79.90$91.83222,100
2025-04-14$80.98$93.07279,500
2025-04-11$80.32$92.31307,100
2025-04-10$79.00$90.79517,200
2025-04-09$79.79$91.70519,600
2025-04-08$75.72$87.02496,700
2025-04-07$76.88$88.36687,400
2025-04-04$77.06$88.56763,000
2025-04-03$78.52$90.24280,200
2025-04-02$81.75$93.95485,800
2025-04-01$80.78$92.84294,100
2025-03-31$81.06$93.16331,600
2025-03-28$82.23$94.50289,100
2025-03-27$82.04$94.29263,200
2025-03-26$80.41$92.41203,000
2025-03-25$80.05$92.00289,100
2025-03-24$80.19$92.16212,900
2025-03-21$78.90$90.68592,400
2025-03-20$80.22$92.19332,200
2025-03-19$82.24$94.52410,600
2025-03-18$82.60$94.93261,800
2025-03-17$83.02$95.41248,700
2025-03-14$82.73$95.08257,600
2025-03-13$81.83$94.04172,800
2025-03-12$82.33$94.62278,200
2025-03-11$83.09$95.49366,200
2025-03-10$84.10$96.65555,100
2025-03-07$85.54$98.31454,100
2025-03-06$82.89$94.92655,100
2025-03-05$83.73$95.88306,400
2025-03-04$83.25$95.33380,800
2025-03-03$82.90$94.93373,900
2025-02-28$84.66$96.94349,000
2025-02-27$85.60$98.02202,500
2025-02-26$85.71$98.15213,900
2025-02-25$86.05$98.54241,400
2025-02-24$84.78$97.08452,800
2025-02-21$84.52$96.78321,100
2025-02-20$85.50$97.91260,800
2025-02-19$87.72$100.45180,100
2025-02-18$87.66$100.38286,700
2025-02-14$88.66$101.52240,200
2025-02-13$90.49$103.62186,000
2025-02-12$90.52$103.65275,400
2025-02-11$91.01$104.22185,800
2025-02-10$90.86$104.04309,400
2025-02-07$90.90$104.09580,700
2025-02-06$89.82$102.85418,700
2025-02-05$92.61$106.05212,300
2025-02-04$92.27$105.66224,000
2025-02-03$91.79$105.11165,900
2025-01-31$91.67$104.97289,200
2025-01-30$92.24$105.62162,100
2025-01-29$91.26$104.50138,900
2025-01-28$92.46$105.88167,400
2025-01-27$93.67$107.26237,500
2025-01-24$92.09$105.45194,500
2025-01-23$92.52$105.95177,100
2025-01-22$92.94$106.43180,900
2025-01-21$93.95$107.58169,500
2025-01-17$92.34$105.74165,500
2025-01-16$92.75$106.21153,600
2025-01-15$91.46$104.73153,900
2025-01-14$90.67$103.83200,000
2025-01-13$90.45$103.57194,900
2025-01-10$89.14$102.07317,800
2025-01-08$89.25$102.20210,700
2025-01-07$87.08$99.72215,700
2025-01-06$87.41$100.09345,900
2025-01-03$88.91$101.81206,700
2025-01-02$87.92$100.68171,400