OK Biotech Co., Ltd. (4155.TW) TAI

Currency In TWD

4155.TW Historical Return

If you invested 1000 NT$ in OK Biotech Co., Ltd. (4155.TW) 10 years ago, it would be worth 994.69 NT$ as of June 22, 2026, based on a reinvested dividends scenario. Over the same period, a 1000 NT$ investment made 5 years ago would be worth 882.35 NT$, while 1000 NT$ invested 1 year ago would be worth 939.85 NT$. This corresponds to total returns of -0.53%, -11.76%, -6.02%, respectively, with annualized returns of -0.05%, -2.47%, -6.02%.

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

4155.TW Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 22, 2026	15.3	15	15	15.55	15	282,446
June 18, 2026	15.3	15.3	15.3	15.55	15.05	420,631
June 17, 2026	14.95	15.3	15.3	15.3	14.85	396,548
June 16, 2026	15.1	15	15	15.15	14.75	247,384
June 15, 2026	15.05	15	15	15.5	14.95	314,553
June 12, 2026	15.35	15.05	15.05	15.65	15	398,671
June 11, 2026	15.75	15.35	15.35	15.85	15.15	700,899
June 10, 2026	14.9	15.65	15.65	15.75	14.75	1.12M
June 09, 2026	15	14.9	14.9	15.5	14.9	557,628
June 08, 2026	15	15	15	15.2	14.55	420,965
June 05, 2026	15.15	15.45	15.45	15.6	14.9	1.26M
June 04, 2026	14.35	15.1	15.1	15.15	14.3	872,117
June 03, 2026	14.5	14.45	14.45	14.5	14.35	518,464
June 02, 2026	14.65	14.35	14.35	14.85	14.3	633,477
June 01, 2026	14.8	14.65	14.65	14.9	14.4	622,625
May 29, 2026	14.85	14.8	14.8	15	14.7	412,387
May 28, 2026	14.8	14.85	14.85	15	14.65	383,246
May 27, 2026	14.95	14.8	14.8	15	14.35	845,210
May 26, 2026	14.95	14.9	14.9	14.95	14.7	341,981
May 25, 2026	15.2	14.75	14.75	15.35	14.75	598,245
May 22, 2026	15.5	15.2	15.2	15.5	15.2	539,416
May 21, 2026	14.8	15.3	15.3	15.3	14.8	629,261
May 20, 2026	14.7	14.8	14.8	14.8	14.45	472,385
May 19, 2026	14.4	14.7	14.7	14.8	14.15	600,814
May 18, 2026	14.35	14.45	14.45	14.85	14.3	619,017
May 15, 2026	14.2	14.3	14.3	14.45	14.1	754,749
May 14, 2026	14.5	14	14	14.5	13.75	1.75M
May 13, 2026	14.15	14.2	14.2	14.2	13.7	2.35M
May 12, 2026	12.95	12.95	12.95	13	12.9	149,287
May 11, 2026	13	12.95	12.95	13.05	12.9	203,235
May 08, 2026	13.2	13.05	13.05	13.25	13	243,138
May 07, 2026	13.2	13.2	13.2	13.25	13.15	119,285
May 06, 2026	13.3	13.2	13.2	13.3	13.1	201,381
May 05, 2026	13.15	13.2	13.2	13.35	13.1	216,821
May 04, 2026	13	13.15	13.15	13.45	13	380,059
April 30, 2026	13.1	13	13	13.1	12.95	317,371
April 29, 2026	13	12.95	12.95	13	12.85	168,287
April 28, 2026	12.85	12.9	12.9	13	12.85	86,847
April 27, 2026	13.05	12.9	12.9	13.05	12.85	213,672
April 24, 2026	13	13.1	13.1	13.1	12.9	147,697
April 23, 2026	13.4	13	13	13.4	12.95	336,935
April 22, 2026	13.5	13.35	13.35	13.5	13.25	163,945
April 21, 2026	13.55	13.5	13.5	13.6	13.35	192,997
April 20, 2026	13.75	13.65	13.65	13.95	13.45	514,717
April 17, 2026	13.2	13.4	13.4	13.6	13.15	367,163
April 16, 2026	13.15	13.15	13.15	13.35	13.1	308,808
April 15, 2026	13.2	13.15	13.15	13.2	13.05	177,241
April 14, 2026	13.35	13.15	13.15	13.35	13.05	136,220
April 13, 2026	13.2	13.15	13.15	13.2	13.05	150,865
April 10, 2026	13.2	13.05	13.05	13.55	13.05	582,055
April 09, 2026	13.2	13.05	13.05	13.2	13	240,594
April 08, 2026	13.3	13.15	13.15	13.3	13.1	139,225
April 07, 2026	13.3	13.2	13.2	13.3	13.2	82,942
April 02, 2026	13.25	13.35	13.35	13.4	13.25	39,755
April 01, 2026	13.2	13.25	13.25	13.55	13.05	214,783
March 31, 2026	13.25	13.1	13.1	13.3	13.1	114,749
March 30, 2026	13.15	13.25	13.25	13.35	13.15	57,996
March 27, 2026	13.3	13.35	13.35	13.4	13.1	128,272
March 26, 2026	13.45	13.3	13.3	13.45	13.2	169,441
March 25, 2026	13.45	13.45	13.45	13.45	13.3	212,697