Promise Technology, Inc. (3057.TW) TAI

Currency In TWD

3057.TW Historical Return

If you invested 1000 NT$ in Promise Technology, Inc. (3057.TW) 10 years ago, it would be worth 377.57 NT$ as of August 22, 2026, based on a reinvested dividends scenario. Over the same period, a 1000 NT$ investment made 5 years ago would be worth 926.33 NT$, while 1000 NT$ invested 1 year ago would be worth 1,144.58 NT$. This corresponds to total returns of -62.24%, -7.37%, 14.46%, respectively, with annualized returns of -9.28%, -1.52%, 14.46%.

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

3057.TW Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 21, 2026	17.3	17.1	17.1	17.3	16.8	43,879
August 20, 2026	17.25	17	17	17.4	16.9	139,882
August 19, 2026	16.85	17.25	17.25	17.8	16.85	336,567
August 18, 2026	16.9	16.85	16.85	17.6	16.8	198,492
August 17, 2026	16.2	16.9	16.9	17	16.15	108,479
August 14, 2026	16.7	16.25	16.25	16.7	16.25	76,147
August 13, 2026	16.3	16.85	16.85	17.15	16.3	118,663
August 12, 2026	16.4	16.3	16.3	16.55	16	166,956
August 11, 2026	15.8	16.75	16.75	17.25	15.8	357,340
August 10, 2026	15.85	15.7	15.7	15.85	15.5	43,473
August 07, 2026	16	15.4	15.4	16.15	15.3	113,129
August 06, 2026	15.9	16.05	16.05	16.3	15.5	184,969
August 05, 2026	14.55	16	16	16	14.5	222,358
August 04, 2026	15.3	14.55	14.55	15.3	14.55	102,530
August 03, 2026	14.5	15	15	15.15	14.1	135,565
July 31, 2026	14.2	14.3	14.3	14.85	13.75	130,953
July 30, 2026	13.45	13.5	13.5	14.45	13.2	261,198
July 29, 2026	14.5	13.6	13.6	14.5	13.2	237,445
July 28, 2026	15.4	14.5	14.5	15.4	14.2	268,813
July 27, 2026	15.65	15.7	15.7	15.7	15.2	150,512
July 24, 2026	16.15	16.15	16.15	16.15	15.6	39,603
July 23, 2026	16.05	16.15	16.15	16.2	15.5	126,067
July 22, 2026	16	16.2	16.2	16.5	16	88,212
July 21, 2026	15.9	16.3	16.3	16.3	15.9	23,445
July 20, 2026	15.8	15.85	15.85	16.35	15.2	77,478
July 17, 2026	16.4	15.7	15.7	16.4	15.6	159,378
July 16, 2026	16.85	16.85	16.85	16.9	16.5	93,722
July 15, 2026	16.55	16.85	16.85	17	16.3	114,069
July 14, 2026	17.2	16.2	16.2	17.2	16.05	303,961
July 13, 2026	19	17.2	17.2	19.2	17.1	441,020
July 09, 2026	19.05	19	19	19.95	18.95	144,718
July 08, 2026	18.85	19.35	19.35	19.65	18.45	228,575
July 07, 2026	19.8	18.8	18.8	19.8	18.65	240,740
July 06, 2026	19.35	19.5	19.5	20.1	19.3	192,351
July 03, 2026	18.9	19.3	19.3	19.6	18.9	122,769
July 02, 2026	18.8	19	19	19.25	18.75	98,686
July 01, 2026	19.35	19	19	19.75	18.8	125,688
June 30, 2026	19.4	19.3	19.3	19.65	19.05	80,089
June 29, 2026	19.25	19.45	19.45	19.45	18.95	167,886
June 26, 2026	20.1	19.15	19.15	20.45	19.15	266,753
June 25, 2026	20.15	20.35	20.35	21.15	20.05	464,807
June 24, 2026	18.95	19.95	19.95	20	18.8	210,081
June 23, 2026	20.15	19	19	20.15	19	278,969
June 22, 2026	20	20.1	20.1	20.75	19.95	243,174
June 18, 2026	20.7	19.7	19.7	20.7	19.7	263,273
June 17, 2026	20.25	20.4	20.4	21	19.65	348,036
June 16, 2026	20.05	19.75	19.75	20.15	19.75	155,818
June 15, 2026	18.95	20.1	20.1	20.4	18.95	300,939
June 12, 2026	19.1	18.9	18.9	19.2	18.7	197,909
June 11, 2026	20.55	18.8	18.8	20.55	18.8	624,443
June 10, 2026	22	20.75	20.75	23	20.55	439,970
June 09, 2026	21.2	21.95	21.95	22.5	21.2	437,772
June 08, 2026	20.1	21.55	21.55	21.75	20.1	356,791
June 05, 2026	23.55	21.9	21.9	23.8	21.9	526,078
June 04, 2026	22.9	23.55	23.55	24.1	22.5	918,748
June 03, 2026	22.3	22.55	22.55	22.55	21.6	607,655
June 02, 2026	22.4	21.95	21.95	22.95	21.65	743,572
June 01, 2026	20.45	22.4	22.4	22.45	20.45	1.59M
May 29, 2026	19.9	20.45	20.45	20.75	19.9	445,548
May 28, 2026	20.25	20.05	20.05	20.65	19.85	297,698