Castle Biosciences, Inc. (CSTL) NASDAQ

Currency In USD

CSTL Historical Return

If you invested $1000 in Castle Biosciences, Inc. (CSTL) since IPO date, it would be worth $990.65 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $283.88, while $1000 invested 1 year ago would be worth $1,124.67. This corresponds to total returns of -0.93%, -71.61%, 12.47%, respectively, with annualized returns of -0.14%, -22.25%, 12.47%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

CSTL Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 22, 2026	21.29	21.2	21.2	21.47	20.64	428,315
June 18, 2026	20.39	21.12	21.12	21.15	20.23	720,100
June 17, 2026	20.68	20.25	20.25	20.71	19.86	310,437
June 16, 2026	20.67	20.46	20.46	21.12	20.37	369,727
June 15, 2026	20.73	20.66	20.66	21.02	20.38	219,920
June 12, 2026	21.06	20.7	20.7	21.2	20.51	152,258
June 11, 2026	21.07	21.01	21.01	21.29	20.53	215,205
June 10, 2026	20.88	21.08	21.08	21.52	20.88	245,606
June 09, 2026	20.3	21.08	21.08	21.09	20.24	289,481
June 08, 2026	21.16	20.12	20.12	21.16	20.11	247,972
June 05, 2026	21.57	21.01	21.01	21.78	20.99	212,464
June 04, 2026	20.61	21.6	21.6	21.84	20.61	291,697
June 03, 2026	19.66	20.39	20.39	20.74	19.58	510,190
June 02, 2026	20.54	19.71	19.71	20.54	19.51	445,553
June 01, 2026	20.98	20.97	20.97	21.21	20.45	312,020
May 29, 2026	21.99	21.08	21.08	22.14	20.99	358,495
May 28, 2026	21.12	22.11	22.11	22.18	21.1	297,181
May 27, 2026	19.77	21.26	21.26	21.81	19.68	626,042
May 26, 2026	20.12	19.69	19.69	20.12	19.55	373,771
May 22, 2026	20.52	20.15	20.15	20.91	20.08	289,270
May 21, 2026	19.78	20.54	20.54	20.65	19.73	327,241
May 20, 2026	19.28	20.03	20.03	20.05	18.91	420,223
May 19, 2026	19.2	19.2	19.2	19.54	18.84	316,327
May 18, 2026	18.48	19.32	19.32	20.22	18.48	509,592
May 15, 2026	18.69	19.13	19.13	19.61	18.64	554,909
May 14, 2026	18.25	18.88	18.88	19	17.72	641,939
May 13, 2026	18.51	18.15	18.15	18.82	17.81	664,486
May 12, 2026	18.95	18.63	18.63	19.23	18.35	552,394
May 11, 2026	19.91	19.04	19.04	19.98	18.89	485,720
May 08, 2026	19.26	19.83	19.83	19.85	18.66	489,120
May 07, 2026	22.66	19.24	19.24	22.88	18.31	1.9M
May 06, 2026	24.66	24.75	24.75	25.23	24.25	670,072
May 05, 2026	25.43	24.6	24.6	25.5	24.43	395,067
May 04, 2026	24.73	25.52	25.52	25.7	24.73	224,060
May 01, 2026	24.53	24.81	24.81	25.11	24.15	168,208
April 30, 2026	24.5	24.49	24.49	24.9	24.13	284,435
April 29, 2026	24.33	24.24	24.24	24.35	23.31	403,527
April 28, 2026	25	24.69	24.69	25.28	24.48	291,618
April 27, 2026	24.45	24.98	24.98	25.71	24.39	291,194
April 24, 2026	23.59	24.46	24.46	24.55	23.17	323,938
April 23, 2026	24.8	23.69	23.69	24.8	23.31	259,204
April 22, 2026	24.72	25.1	25.1	25.13	24.42	219,212
April 21, 2026	25.19	24.58	24.58	25.72	24.37	492,899
April 20, 2026	24.67	25.16	25.16	25.32	24.67	211,585
April 17, 2026	25.14	25.05	25.05	25.37	24.84	214,832
April 16, 2026	24.62	24.56	24.56	24.82	24.14	261,407
April 15, 2026	24.37	24.62	24.62	25	24.37	195,897
April 14, 2026	23.72	24.37	24.37	24.81	23.72	189,778
April 13, 2026	22.92	23.53	23.53	23.58	22.81	251,166
April 10, 2026	23.3	23.13	23.13	23.33	21.79	433,425
April 09, 2026	24.83	23.43	23.43	25.54	23.33	216,231
April 08, 2026	25.85	25.19	25.19	26.68	24.82	387,407
April 07, 2026	24.82	24.83	24.83	25.26	24.65	281,200
April 06, 2026	24.96	24.73	24.73	25.31	24.63	201,589
April 02, 2026	24.41	24.84	24.84	25.22	24.09	288,513
April 01, 2026	24.92	25.05	25.05	25.48	24.57	292,437
March 31, 2026	23.86	24.55	24.55	24.86	23.71	431,120
March 30, 2026	23.54	23.55	23.55	23.92	23.24	286,324
March 27, 2026	24.6	23.53	23.53	24.65	23.44	293,449
March 26, 2026	25.11	24.7	24.7	26.02	24.65	448,959