Syneos Health, Inc. (SYNH) NASDAQ

Currency In USD

SYNH Historical Return

If you invested $1000 in Syneos Health, Inc. (SYNH) 10 years ago, it would be worth $1,090.03 as of June 23, 2026, based on a reinvested dividends scenario. Meanwhile, a $1000 investment made 5 years ago would be worth $505.71. This corresponds to total returns of 9%, -49.43%, respectively, with annualized returns of 0.87%, -12.74%.

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

SYNH Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 29, 2023	42.98	42.98	42.98	42.98	42.98	0
September 28, 2023	42.98	42.98	42.98	42.98	42.98	0
September 27, 2023	42.98	42.98	42.98	42.99	42.97	7.39M
September 26, 2023	42.78	42.97	42.97	42.99	42.74	3.56M
September 25, 2023	42.76	42.78	42.78	42.8	42.73	725,470
September 22, 2023	42.8	42.74	42.74	42.82	42.72	1.59M
September 21, 2023	42.78	42.77	42.77	42.8	42.76	879,433
September 20, 2023	42.83	42.78	42.78	42.86	42.78	2.14M
September 19, 2023	42.78	42.82	42.82	42.84	42.77	1.33M
September 18, 2023	42.77	42.78	42.78	42.79	42.75	773,035
September 15, 2023	42.79	42.74	42.74	42.83	42.74	1.57M
September 14, 2023	42.77	42.77	42.77	42.82	42.75	1.06M
September 13, 2023	42.75	42.77	42.77	43.64	42.74	1.33M
September 12, 2023	42.78	42.74	42.74	42.8	42.74	747,837
September 11, 2023	42.72	42.76	42.76	42.77	42.72	424,753
September 08, 2023	42.72	42.7	42.7	42.77	42.7	879,401
September 07, 2023	42.75	42.72	42.72	42.78	42.72	1.25M
September 06, 2023	42.78	42.77	42.77	42.85	42.74	1.76M
September 05, 2023	42.74	42.72	42.72	42.8	42.62	1.55M
September 01, 2023	42.73	42.72	42.72	42.75	42.67	861,400
August 31, 2023	42.71	42.73	42.73	42.75	42.67	1.01M
August 30, 2023	42.73	42.7	42.7	42.73	42.61	999,500
August 29, 2023	42.64	42.68	42.68	42.69	42.53	793,600
August 28, 2023	42.49	42.54	42.54	42.55	42.48	845,600
August 25, 2023	42.5	42.49	42.49	42.54	42.45	1.66M
August 24, 2023	42.53	42.48	42.48	42.55	42.48	989,800
August 23, 2023	42.55	42.48	42.48	42.55	42.47	1.55M
August 22, 2023	42.53	42.51	42.51	42.57	42.51	1.08M
August 21, 2023	42.52	42.54	42.54	42.56	42.5	1.5M
August 18, 2023	42.48	42.5	42.5	42.54	42.48	935,700
August 17, 2023	42.61	42.52	42.52	42.65	42.48	1.95M
August 16, 2023	42.69	42.52	42.52	42.74	42.51	2.29M
August 15, 2023	42.68	42.66	42.66	42.68	42.62	367,800
August 14, 2023	42.59	42.66	42.66	42.67	42.59	1.44M
August 11, 2023	42.62	42.59	42.59	42.63	42.57	519,800
August 10, 2023	42.64	42.63	42.63	42.64	42.57	810,900
August 09, 2023	42.5	42.61	42.61	42.74	42.47	1.91M
August 08, 2023	42.48	42.56	42.56	42.58	42.39	864,500
August 07, 2023	42.48	42.47	42.47	42.49	42.45	954,000
August 04, 2023	42.46	42.5	42.5	42.5	42.42	684,800
August 03, 2023	42.38	42.46	42.46	42.48	42.35	1.26M
August 02, 2023	42.41	42.35	42.35	42.46	42.34	2.25M
August 01, 2023	42.41	42.36	42.36	42.43	42.33	1.68M
July 31, 2023	42.46	42.41	42.41	42.5	42.31	927,800
July 28, 2023	42.49	42.46	42.46	42.5	42.41	660,000
July 27, 2023	42.55	42.43	42.43	42.55	42.4	690,900
July 26, 2023	42.38	42.51	42.51	42.55	42.37	1.52M
July 25, 2023	42.38	42.38	42.38	42.43	42.33	841,200
July 24, 2023	42.38	42.31	42.31	42.4	42.3	896,300
July 21, 2023	42.35	42.38	42.38	42.4	42.31	887,000
July 20, 2023	42.36	42.34	42.34	42.38	42.31	762,600
July 19, 2023	42.35	42.34	42.34	42.39	42.3	2.31M
July 18, 2023	42.3	42.3	42.3	42.34	42.27	1.66M
July 17, 2023	42.3	42.29	42.29	42.33	42.26	1.49M
July 14, 2023	42.37	42.31	42.31	42.37	42.26	1.1M
July 13, 2023	42.3	42.33	42.33	42.35	42.27	1.15M
July 12, 2023	42.4	42.26	42.26	42.45	42.24	1.83M
July 11, 2023	42.39	42.36	42.36	42.41	42.21	1.87M
July 10, 2023	42.25	42.29	42.29	42.46	42.25	1.3M
July 07, 2023	42.2	42.25	42.25	42.4	42.16	1.42M