NASDAQ:KPTI | Historical Stock Price | 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.

View year

Historical Stock Price — 2026

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
2026-04-14$8.45$8.45562,900
2026-04-13$8.28$8.281,020,000
2026-04-10$8.00$8.00451,500
2026-04-09$8.16$8.161,202,000
2026-04-08$7.25$7.25487,200
2026-04-07$7.21$7.211,037,400
2026-04-06$6.32$6.32538,300
2026-04-02$5.89$5.89185,400
2026-04-01$5.82$5.82587,700
2026-03-31$5.57$5.57505,500
2026-03-30$5.30$5.30829,600
2026-03-27$5.48$5.48847,300
2026-03-26$5.57$5.574,208,000
2026-03-25$5.21$5.211,655,300
2026-03-24$5.44$5.4417,851,900
2026-03-23$6.66$6.66967,100
2026-03-20$7.63$7.631,496,200
2026-03-19$7.73$7.73759,700
2026-03-18$8.40$8.40501,700
2026-03-17$8.38$8.38702,600
2026-03-16$8.55$8.55574,000
2026-03-13$7.85$7.85696,900
2026-03-12$7.90$7.90912,000
2026-03-11$8.75$8.75461,100
2026-03-10$8.23$8.23605,300
2026-03-09$8.49$8.49735,600
2026-03-06$8.77$8.77725,200
2026-03-05$8.82$8.82509,400
2026-03-04$9.15$9.15397,700
2026-03-03$9.13$9.131,718,600
2026-03-02$9.59$9.59507,500
2026-02-27$9.41$9.41530,000
2026-02-26$9.35$9.35576,100
2026-02-25$10.09$10.09479,500
2026-02-24$10.07$10.07613,300
2026-02-23$10.03$10.03591,800
2026-02-20$9.67$9.67312,600
2026-02-19$9.67$9.67593,100
2026-02-18$9.25$9.25754,700
2026-02-17$9.40$9.40896,700
2026-02-13$8.58$8.582,252,300
2026-02-12$8.94$8.942,752,500
2026-02-11$7.37$7.37593,500
2026-02-10$6.59$6.59281,700
2026-02-09$6.31$6.31561,300
2026-02-06$6.26$6.26520,600
2026-02-05$6.09$6.09608,400
2026-02-04$6.30$6.30272,900
2026-02-03$6.55$6.55485,400
2026-02-02$6.31$6.31297,800
2026-01-30$6.52$6.52267,900
2026-01-29$6.63$6.63176,700
2026-01-28$6.92$6.92304,300
2026-01-27$7.05$7.05433,300
2026-01-26$6.65$6.65318,500
2026-01-23$6.59$6.59323,400
2026-01-22$6.64$6.64358,100
2026-01-21$6.32$6.32482,200
2026-01-20$5.95$5.95424,200
2026-01-16$6.31$6.31398,500
2026-01-15$6.66$6.66445,200
2026-01-14$7.19$7.19750,300
2026-01-13$7.91$7.91282,000
2026-01-12$8.20$8.20603,500
2026-01-09$8.68$8.68904,200
2026-01-08$8.17$8.17518,700
2026-01-07$7.87$7.87652,600
2026-01-06$7.35$7.35418,100
2026-01-05$7.40$7.40379,400
2026-01-02$7.19$7.19141,500