Sinher Technology Inc. (4999.TW) TAI

Currency In TWD

4999.TW Historical Return

If you invested 1000 NT$ in Sinher Technology Inc. (4999.TW) 10 years ago, it would be worth 537.74 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 577.04 NT$, while 1000 NT$ invested 1 year ago would be worth 704.46 NT$. This corresponds to total returns of -46.23%, -42.3%, -29.55%, respectively, with annualized returns of -6.01%, -10.41%, -29.55%.

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

4999.TW Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 21, 2026	18.85	18.95	18.95	18.95	18.65	47,955
August 20, 2026	18.5	18.85	18.85	18.85	18.5	64,295
August 19, 2026	18.55	18.5	18.5	18.65	18.5	40,784
August 18, 2026	18.95	18.7	18.7	18.95	18.6	16,575
August 17, 2026	18.75	18.95	18.95	18.95	18.5	21,268
August 14, 2026	19	18.85	18.85	19	18.85	21,786
August 13, 2026	18.8	19	19	19.2	18.8	35,301
August 12, 2026	18.75	19.3	19.3	19.3	18.75	34,946
August 11, 2026	19.3	18.95	18.95	19.3	18.85	49,770
August 10, 2026	18.45	19.3	19.3	19.3	18.1	232,419
August 07, 2026	18.35	18.35	18.35	18.5	18.25	79,113
August 06, 2026	18.4	18.4	18.4	18.55	18.25	37,577
August 05, 2026	18.5	18.45	18.45	18.6	18.3	85,095
August 04, 2026	18.35	18.45	18.45	18.5	18.25	74,889
August 03, 2026	18.45	18.45	18.45	18.45	18.35	49,132
July 31, 2026	18.5	18.6	18.6	19.1	18.35	61,710
July 30, 2026	18.65	18.35	18.35	18.65	18.35	58,980
July 29, 2026	19.3	18.7	18.7	19.3	18.35	148,637
July 28, 2026	19.35	19.1	19.1	19.5	19.05	96,123
July 27, 2026	19.3	19.35	19.35	19.4	19.15	32,527
July 24, 2026	19.4	19.25	19.25	19.4	19.25	29,628
July 23, 2026	19.4	19.55	19.55	19.55	19.3	27,138
July 22, 2026	19.35	19.4	19.4	19.45	19.35	56,248
July 21, 2026	19.5	19.45	19.45	19.55	19.35	46,483
July 20, 2026	19.6	19.5	19.5	19.6	19.2	146,956
July 17, 2026	19.75	19.35	19.35	19.75	19.3	105,997
July 16, 2026	19.85	19.75	19.75	19.85	19.4	62,495
July 15, 2026	19.85	19.85	19.85	19.9	19.65	45,323
July 14, 2026	20	19.55	19.55	20	19.35	130,965
July 13, 2026	19.95	19.85	19.85	20.05	19.65	40,592
July 09, 2026	20.1	20.05	20.05	20.1	20	36,296
July 08, 2026	20.1	20.1	20.1	20.1	20	60,499
July 07, 2026	20.6	20.1	20.1	20.6	20	66,049
July 06, 2026	20.45	20.6	20.6	20.75	20.45	96,820
July 03, 2026	20.15	20.5	20.5	20.5	20.1	79,324
July 02, 2026	20	20.15	20.15	20.2	19.95	53,633
July 01, 2026	20.2	20	20	20.2	20	47,539
June 30, 2026	20	20.1	20.1	20.15	20	43,633
June 29, 2026	20	20	20	20.3	19.95	58,302
June 26, 2026	20.4	20	20	20.4	19.9	111,579
June 25, 2026	20.6	20.35	20.35	20.6	20.35	94,739
June 24, 2026	20.2	20.55	20.55	20.8	20.2	89,759
June 23, 2026	21.5	20.75	20.75	21.5	20.5	125,557
June 22, 2026	20.6	20.55	20.55	20.65	20.5	102,666
June 18, 2026	20.65	20.65	20.65	20.9	20.65	73,009
June 17, 2026	20.6	20.7	20.7	20.8	20.45	51,866
June 16, 2026	20.5	20.6	20.6	20.8	20.5	61,969
June 15, 2026	20.4	20.5	20.5	20.65	20.35	88,978
June 12, 2026	20.3	20.45	20.45	20.65	20.3	60,525
June 11, 2026	20.35	20.3	20.3	20.8	20.25	95,769
June 10, 2026	20.5	20.65	20.65	21.05	20.4	177,612
June 09, 2026	20.55	20.6	20.6	20.9	20.45	183,787
June 08, 2026	20.7	20.75	20.75	20.75	20	88,684
June 05, 2026	22.5	21.65	21.65	22.5	21.5	153,108
June 04, 2026	22.15	22.5	22.5	22.95	21.7	523,683
June 03, 2026	20.5	22.55	22.55	22.55	20.5	247,485
June 02, 2026	20.4	20.5	20.5	20.7	20.3	145,931
June 01, 2026	20	20.4	20.4	20.5	19.9	134,306
May 29, 2026	19.6	20	20	20.5	19.6	165,468
May 28, 2026	19.5	19.65	19.65	20.45	19.5	141,755