Formosa Petrochemical Corporation (6505.TW) TAI

Currency In TWD

6505.TW Historical Return

If you invested 1000 NT$ in Formosa Petrochemical Corporation (6505.TW) 10 years ago, it would be worth 1,074.57 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 908.76 NT$, while 1000 NT$ invested 1 year ago would be worth 1,744.53 NT$. This corresponds to total returns of 7.46%, -9.12%, 74.45%, respectively, with annualized returns of 0.72%, -1.9%, 74.45%.

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

6505.TW Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 21, 2026	72.9	75.8	75.8	76.5	72.5	20.42M
August 20, 2026	71.5	73	73	74.6	71.5	21.3M
August 19, 2026	73	70.2	70.2	73	70.1	20.68M
August 18, 2026	71.3	72	72	76.2	71.3	38.93M
August 17, 2026	71.1	71.1	71.1	74.2	70.1	19.02M
August 14, 2026	70	70.9	70.9	71.6	69.8	12.83M
August 13, 2026	70.6	69.8	69.8	71.1	69.6	11.75M
August 12, 2026	71.8	70.2	70.2	72.9	70.2	15.07M
August 11, 2026	70.4	71.1	71.1	71.6	68	22.77M
August 10, 2026	70	69	69	70.7	67.2	25.96M
August 07, 2026	70.1	71	71	73	68.8	41.53M
August 06, 2026	66.8	67.1	67.1	67.4	66.2	13.78M
August 05, 2026	67.6	67.6	67.6	68.4	66.7	20.39M
August 04, 2026	65.6	68.2	68.2	68.8	65.4	20.02M
August 03, 2026	71.4	67.7	67.7	71.4	67.2	30.52M
July 31, 2026	74.1	70.8	70.8	76	70.3	68.5M
July 30, 2026	77	71.6	71.6	78	71	38.88M
July 29, 2026	76.3	74.8	74.8	77.1	72	48.08M
July 28, 2026	74	74.6	74.6	75.9	73	27.88M
July 27, 2026	81.7	77.9	77.9	82.9	77.3	40.27M
July 23, 2026	87.9	93.2	93.2	93.6	86.6	95.93M
July 22, 2026	87.4	85.1	85.1	92.8	84.1	121.07M
July 21, 2026	80	85.4	85.4	85.4	79.7	49.18M
July 20, 2026	84	77.7	77.7	84.3	75.8	96.63M
July 17, 2026	79.6	81.3	81.3	84	78.2	165.45M
July 16, 2026	74.5	80	80	80	73.2	101.44M
July 15, 2026	66.6	72.8	72.8	72.8	66.1	58.26M
July 14, 2026	64.8	66.2	66.2	67.2	63.3	47.8M
July 13, 2026	60.5	63.1	63.1	64.4	60.5	33.37M
July 09, 2026	60.2	58.8	58.8	60.2	57.1	9.8M
July 08, 2026	58.7	59.4	59.4	60.4	58.6	12.6M
July 07, 2026	59.6	58	58	59.8	57.7	11.42M
July 06, 2026	59.5	59.5	59.5	61.4	58.2	18.6M
July 03, 2026	57.9	58.9	58.9	60.7	57.1	42.11M
July 02, 2026	53.9	57.6	57.6	57.6	53.4	24.19M
July 01, 2026	55.5	53.6	53.6	55.6	53.3	7.55M
June 30, 2026	55.7	55.1	55.1	56.3	54.3	7.07M
June 29, 2026	54.4	55.3	55.3	55.3	53.4	7.68M
June 26, 2026	55.2	53.5	53.5	55.5	53	12.05M
June 25, 2026	55	55.9	55.9	56.7	54.6	19.61M
June 24, 2026	52.1	55.2	55.2	55.3	51	14.32M
June 23, 2026	53.5	52.1	52.1	53.5	52	7.03M
June 22, 2026	54.5	54	54	54.7	53.3	7.43M
June 18, 2026	52.6	53.5	53.5	55.3	52.5	13.98M
June 17, 2026	52	52.6	52.6	53	51.6	6.69M
June 16, 2026	53.7	52.7	52.7	54.3	52.6	6.74M
June 15, 2026	53.5	53.3	53.3	53.6	52.5	6.6M
June 12, 2026	51.5	52.8	52.8	53	51.4	5.7M
June 11, 2026	51.5	51.4	51.4	51.9	50.3	7.6M
June 10, 2026	52	51	51	52.2	50.7	9.65M
June 09, 2026	52.1	52.4	52.4	52.8	51.7	9.21M
June 08, 2026	52.8	52.6	52.6	53.5	51.9	8.46M
June 05, 2026	57.5	55.3	55.3	57.7	55	10.65M
June 04, 2026	56.5	57.5	57.5	58.1	55.7	15.82M
June 03, 2026	54.8	55.9	55.9	56.5	53.9	15.58M
June 02, 2026	53.4	54.5	54.5	54.7	52.9	12.62M
June 01, 2026	51.6	53.3	53.3	53.8	50.7	11.08M
May 29, 2026	49.95	51.4	51.4	51.5	49.95	9.94M
May 28, 2026	50.5	49.9	49.9	50.5	49.15	9.17M
May 27, 2026	49.8	50.1	50.1	50.3	49.6	7.85M