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 879.74 NT$ as of October 01, 2026, based on a reinvested dividends scenario. Over the same period, a 1000 NT$ investment made 5 years ago would be worth 888.69 NT$, while 1000 NT$ invested 1 year ago would be worth 1,003.38 NT$. This corresponds to total returns of -12.03%, -11.13%, 0.34%, respectively, with annualized returns of -1.27%, -2.33%, 0.34%.

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
October 01, 2026	14.75	14.85	14.85	14.85	14.6	272,834
September 30, 2026	14.6	14.65	14.65	14.7	14.55	165,152
September 29, 2026	14.85	14.6	14.6	14.85	14.6	147,645
September 24, 2026	14.7	14.85	14.85	15.1	14.7	182,423
September 23, 2026	14.85	14.7	14.7	15	14.6	309,118
September 22, 2026	15	14.85	14.85	15	14.75	180,948
September 21, 2026	15.15	14.9	14.9	15.2	14.9	153,659
September 20, 2026	14.85	15.15	15.15	15.15	14.85	45,705
September 18, 2026	14.85	15.15	15.15	15.15	14.85	351,392
September 17, 2026	14.8	14.85	14.85	14.9	14.7	114,082
September 16, 2026	14.75	14.85	14.85	14.95	14.6	134,681
September 15, 2026	14.65	14.7	14.7	14.75	14.6	72,566
September 11, 2026	14.75	15.15	15.15	15.15	14.65	351,225
September 10, 2026	14.5	14.8	14.8	15.4	14.5	1.1M
September 09, 2026	14.2	14.1	14.1	14.2	14	208,702
September 08, 2026	14.3	14.15	14.15	14.3	14.15	80,368
September 07, 2026	14.35	14.3	14.3	14.55	14.2	228,564
September 04, 2026	14.3	14.45	14.45	14.45	14.2	230,615
September 03, 2026	14.45	14.3	14.3	14.45	14.25	138,132
September 02, 2026	14.5	14.4	14.4	14.5	14.15	278,771
September 01, 2026	14.55	14.5	14.5	14.65	14.45	114,889
August 31, 2026	14.4	14.55	14.55	14.6	14.4	114,740
August 28, 2026	14.5	14.45	14.45	14.55	14.4	94,362
August 27, 2026	14.5	14.5	14.5	14.55	14.35	168,885
August 26, 2026	14.5	14.55	14.55	14.6	14.4	129,307
August 25, 2026	14.45	14.5	14.5	14.5	14.35	78,284
August 24, 2026	14.8	14.45	14.45	14.8	14.4	274,848
August 21, 2026	14.75	14.75	14.75	14.8	14.65	163,156
August 20, 2026	14.6	14.85	14.85	14.85	14.6	133,637
August 19, 2026	14.7	14.65	14.65	14.8	14.65	157,569
August 18, 2026	14.8	14.7	14.7	14.8	14.55	164,116
August 17, 2026	14.8	14.8	14.8	14.85	14.7	198,571
August 14, 2026	15.1	14.8	14.8	15.1	14.65	616,897
August 13, 2026	14.9	15.1	15.1	15.3	14.9	451,001
August 12, 2026	14.65	14.8	14.8	15.05	14.6	533,497
August 11, 2026	14.3	14.65	14.65	14.65	14.2	331,043
August 10, 2026	14.65	14.65	14.65	14.9	14.55	275,391
August 07, 2026	14.4	14.5	14.5	14.7	14.3	238,719
August 06, 2026	14.4	14.4	14.4	14.4	14.2	142,769
August 05, 2026	14.45	14.4	14.4	14.6	14.4	142,778
August 04, 2026	14.35	14.3	14.3	14.35	14.25	133,943
August 03, 2026	14.35	14.4	14.4	14.45	14.15	83,364
July 31, 2026	14.75	14.4	14.4	14.75	14.4	157,370
July 30, 2026	14.45	14.4	14.4	14.6	14.3	135,013
July 29, 2026	14.9	14.6	14.6	15.1	14.5	261,241
July 28, 2026	15.35	14.95	14.95	15.35	14.95	226,909
July 27, 2026	15.35	15.4	15.4	15.45	15.2	214,246
July 23, 2026	15.9	15.55	15.55	15.9	15.4	249,497
July 22, 2026	15.8	15.85	15.85	15.9	15.7	265,876
July 21, 2026	15.95	15.8	15.8	16.1	15.75	320,208
July 20, 2026	16.3	15.9	15.9	16.45	15.9	412,176
July 17, 2026	15.85	16.05	16.05	16.35	15.7	530,076
July 16, 2026	16.5	16.15	16.15	16.5	15.85	644,999
July 15, 2026	15.6	16.15	16.15	16.3	15.5	628,228
July 14, 2026	15.75	15.6	15.6	15.75	15.2	268,075
July 13, 2026	15.7	15.65	15.65	15.7	15.4	513,534
July 09, 2026	15.7	15.6	15.6	15.9	15.3	387,192
July 08, 2026	15.5	15.7	15.7	15.85	15.4	438,759
July 07, 2026	15.7	15.55	15.55	16	15.35	616,176
July 06, 2026	15.55	15.7	15.7	15.85	15.45	505,167