NASDAQ:KPTI | Stock Price History | Karyopharm Therapeutics 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
2013-11-06 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$1.77$5.91$19.79$66.25$221.74$742.142013-11-062026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

Historical Stock Price

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2026-09-04$1.7623,332
2026-09-03$1.7918,308
2026-09-02$1.9373,594
2026-09-01$2.0225,808
2026-08-31$1.90148,386
2026-08-28$1.9510,998
2026-08-27$1.94$1.941,105,300$1.9553,020
2026-08-26$1.96$1.96753,800$1.8919,194
2026-08-25$1.92$1.921,059,300$1.9116,969
2026-08-24$1.86$1.86840,900$1.9642,437
2026-08-21$1.96$1.96874,600$1.8425,392
2026-08-20$1.82$1.82865,600$1.9919,246
2026-08-19$2.00$2.00792,100$1.9558,346
2026-08-18$1.93$1.931,145,200$1.8637,766
2026-08-17$1.81$1.811,387,600$2.0365,600
2026-08-14$2.02$2.02886,900$2.0056,632
2026-08-13$1.99$1.991,727,100$2.0646,076
2026-08-12$2.03$2.031,836,800$2.0960,496
2026-08-11$2.10$2.101,962,600$1.9646,304
2026-08-10$1.96$1.961,795,700$2.1528,696
2026-08-07$2.12$2.121,792,800$1.9855,130
2026-08-06$1.95$1.951,189,100$1.9324,147
2026-08-05$1.91$1.912,376,600$2.0055,323
2026-08-04$1.96$1.963,792,100$2.01128,846
2026-08-03$1.97$1.974,514,600$1.94121,417
2026-07-31$1.92$1.9222,398,300$2.20784,913
2026-07-30$7.01$7.014,540,900$6.9146,338
2026-07-29$6.86$6.86436,800$7.0129,136
2026-07-28$7.09$7.09531,300$7.0822,360
2026-07-27$7.09$7.09527,500$7.5139,203
2026-07-24$7.41$7.41900,200$7.0958,614
2026-07-23$7.09$7.09680,100$7.1333,555
2026-07-22$7.18$7.18713,600$8.0227,974
2026-07-21$7.87$7.87943,100$7.5262,249
2026-07-20$7.47$7.472,330,200$9.4183,796
2026-07-17$9.51$9.51205,200
2026-07-16$9.38$9.38236,400
2026-07-15$9.53$9.53316,500
2026-07-14$10.01$10.01481,500
2026-07-13$10.05$10.05431,400
2026-07-10$10.34$10.34320,200
2026-07-09$10.20$10.20281,100
2026-07-08$10.67$10.67737,300
2026-07-07$10.05$10.05249,600
2026-07-06$9.62$9.62288,100
2026-07-02$9.60$9.60317,700
2026-07-01$9.55$9.55308,500
2026-06-30$9.77$9.77600,300
2026-06-29$10.09$10.09497,000
2026-06-26$10.21$10.213,221,400
2026-06-25$9.46$9.46440,800
2026-06-24$9.12$9.12351,900
2026-06-23$9.65$9.65712,000
2026-06-22$9.00$9.00356,300
2026-06-18$9.02$9.02491,900
2026-06-17$9.40$9.40283,600
2026-06-16$9.10$9.10322,100
2026-06-15$9.64$9.64172,500
2026-06-12$9.50$9.50564,600
2026-06-11$9.00$9.00200,300
2026-06-10$9.11$9.11284,900
2026-06-09$8.69$8.69324,100
2026-06-08$8.50$8.50260,200
2026-06-05$9.08$9.08262,500
2026-06-04$9.07$9.07219,100
2026-06-03$9.00$9.00499,700
2026-06-02$9.23$9.23583,800
2026-06-01$9.82$9.82330,000
2026-05-29$9.10$9.10290,700
2026-05-28$9.11$9.11179,200
2026-05-27$8.98$8.98624,400
2026-05-26$8.97$8.97570,500
2026-05-22$8.16$8.16294,900
2026-05-21$8.06$8.06517,800
2026-05-20$7.98$7.98658,500
2026-05-19$7.47$7.47411,300
2026-05-18$7.14$7.14572,000
2026-05-15$7.67$7.67998,000
2026-05-14$8.90$8.901,009,000
2026-05-13$8.85$8.85953,900
2026-05-12$8.92$8.92275,600
2026-05-11$8.81$8.81466,500
2026-05-08$8.64$8.64295,400
2026-05-07$8.85$8.85169,000
2026-05-06$9.02$9.02180,400
2026-05-05$9.41$9.41201,400
2026-05-04$9.30$9.30325,300
2026-05-01$8.77$8.77229,800
2026-04-30$8.31$8.31317,400
2026-04-29$8.40$8.40264,700
2026-04-28$8.60$8.60229,500
2026-04-27$8.66$8.66464,500
2026-04-24$8.66$8.66267,900
2026-04-23$8.75$8.75545,800
2026-04-22$9.55$9.55486,100
2026-04-21$9.17$9.17954,200
2026-04-20$8.94$8.94185,800
2026-04-17$8.61$8.61165,500
2026-04-16$8.66$8.66226,100
2026-04-15$8.56$8.56348,000