ACAD Stock Prices

Data as of Oct 28, 2026

Last

20.32

Change

+0.15

Open

20.00

Previous

20.17

High

20.35

Low

20.00

Bid

-

Ask

-

Volume

1,332,043

Trades

-

Dividend

-

Yield

-

Ex-Div

-

Impl Vol

0.430

Hist Vol

0.377

Opt Volume

66

Open Int

40,423

IV Quote Option Chain Price History 10 Day Snapshot Strike Pegger Volatility Skew Trade Finder

Price & Volatility Chart

Start Date

End Date

Implied VolatilityHistorical Volatility

Price History

Date	Open	High	Low	Close	Chg	Volume	Opt Volume	Impl Vol	Hist Vol
Oct 28, 2026	20.00	20.35	20.00	20.32	+0.15	1,332,043	66	0.430	0.377
Oct 27, 2026	19.58	20.29	19.51	20.17	+0.43	1,331,080	129	0.455	0.377
Oct 26, 2026	19.72	19.89	19.59	19.74	+0.01	1,229,240	270	0.433	0.379
Oct 23, 2026	20.22	20.25	19.58	19.73	-0.58	1,053,396	78	0.397	0.379
Oct 22, 2026	20.30	20.50	20.12	20.31	+0.12	1,229,379	146	0.420	0.378
Oct 21, 2026	20.44	20.57	20.10	20.19	-0.25	1,402,278	1,533	0.440	0.378
Oct 20, 2026	20.04	20.49	19.86	20.44	+0.64	1,675,243	3,119	0.369	0.378
Oct 19, 2026	19.33	19.84	19.11	19.80	+0.68	1,298,118	4,026	0.417	0.377
Oct 16, 2026	19.76	19.76	18.87	19.12	-0.59	1,671,854	612	0.454	0.375
Oct 15, 2026	19.48	19.88	19.28	19.71	+0.46	1,722,554	6,790	0.411	0.378
Oct 14, 2026	18.60	19.28	18.49	19.25	+0.63	1,642,693	5,635	0.537	0.384
Oct 13, 2026	19.05	19.10	18.39	18.62	-0.79	2,139,526	2,253	0.445	0.382
Oct 12, 2026	19.70	19.87	19.40	19.41	-0.37	1,183,428	583	0.432	0.380
Oct 9, 2026	19.60	20.05	19.58	19.78	+0.20	1,470,136	605	0.467	0.381
Oct 8, 2026	19.46	19.79	19.32	19.58	-0.07	1,994,962	1,775	0.365	0.382
Oct 7, 2026	19.60	19.80	19.46	19.65	-0.09	1,784,485	177	0.418	0.382
Oct 6, 2026	20.16	20.36	19.67	19.74	-0.37	1,659,473	715	0.460	0.382
Oct 5, 2026	20.05	20.45	19.57	20.11	+0.16	3,145,792	303	0.484	0.382
Oct 2, 2026	20.01	20.24	19.88	19.95	+0.00	2,564,449	2,244	0.419	0.382
Oct 1, 2026	19.95	20.19	19.59	19.89	-0.26	2,728,673	2,072	0.405	0.382
Sep 30, 2026	20.28	20.70	19.93	20.15	-0.07	3,075,652	2,196	0.462	0.381
Sep 29, 2026	20.61	20.61	20.06	20.22	-0.31	2,512,837	222	0.453	0.381
Sep 28, 2026	20.53	20.63	19.80	20.53	-0.15	3,434,045	14,486	0.503	0.381
Sep 25, 2026	22.21	22.21	20.61	20.68	-1.50	3,361,756	5,309	0.526	0.381
Sep 24, 2026	24.38	24.38	21.97	22.18	-3.25	6,637,083	10,205	0.450	0.375
Sep 23, 2026	26.41	26.51	24.93	25.43	-0.98	1,305,893	2,534	1.289	0.364
Sep 22, 2026	26.65	26.86	26.32	26.41	+0.02	1,442,433	969	1.008	0.364
Sep 21, 2026	27.43	27.43	26.34	26.40	-0.89	1,351,868	11,870	1.293	0.364
Sep 18, 2026	27.37	27.48	26.73	27.29	-0.16	5,479,617	11,132	1.148	0.362
Sep 17, 2026	27.78	28.06	27.29	27.45	-0.09	1,276,290	22,367	1.229	0.363
Sep 16, 2026	26.75	27.60	26.66	27.54	+0.78	1,405,148	19,495	1.154	0.363
Sep 15, 2026	27.51	27.51	26.64	26.76	-0.76	1,108,760	3,445	1.114	0.363
Sep 14, 2026	28.00	28.10	27.38	27.52	-0.35	1,628,470	64	1.928	0.365
Sep 11, 2026	27.98	28.24	27.74	27.87	+0.13	888,186	814	1.284	0.365
Sep 10, 2026	27.63	27.86	27.36	27.74	+0.06	1,014,203	82	1.009	0.366
Sep 9, 2026	27.44	27.95	27.40	27.68	+0.10	1,264,786	94	0.985	0.368
Sep 8, 2026	27.63	28.09	27.10	27.58	+0.00	1,455,788	220	0.981	0.369
Sep 4, 2026	27.77	28.19	27.65	28.02	+0.16	1,682,949	2,583	0.840	0.369
Sep 3, 2026	29.00	29.07	27.62	27.86	-1.07	1,849,195	300	0.950	0.369
Sep 2, 2026	29.10	29.75	28.88	28.93	+0.04	1,552,418	1,128	0.790	0.367
Sep 1, 2026	28.84	29.30	28.51	28.89	-0.02	830,082	97	0.904	0.367
Aug 31, 2026	29.05	29.12	28.58	28.91	-0.20	990,781	199	0.652	0.367
Aug 28, 2026	29.51	29.73	29.02	29.11	-0.62	1,529,672	608	0.738	0.367
Aug 27, 2026	29.26	29.83	29.15	29.73	+0.15	879,107	140	0.597	0.367
Aug 26, 2026	30.36	30.38	29.28	29.58	-0.99	1,335,994	1,144	0.632	0.368
Aug 25, 2026	30.14	30.76	29.85	30.57	+0.92	1,522,423	1,705	0.579	0.367
Aug 24, 2026	29.50	29.78	29.15	29.65	+0.15	1,141,267	1,352	0.604	0.366
Aug 21, 2026	29.08	29.62	28.80	29.50	+0.46	1,093,193	133	0.629	0.368
Aug 20, 2026	30.00	30.00	28.95	29.04	-1.17	1,318,516	1,077	0.694	0.368
Aug 19, 2026	30.66	30.96	30.07	30.21	+0.03	2,266,360	1,842	0.718	0.366
Aug 18, 2026	29.14	30.25	29.05	30.18	+1.17	2,052,613	1,800	0.642	0.366
Aug 17, 2026	28.63	29.03	28.21	29.01	+0.77	1,121,304	1,853	0.351	0.364
Aug 14, 2026	28.26	28.43	27.90	28.24	-0.14	1,062,475	681	0.621	0.364
Aug 13, 2026	29.75	29.75	28.36	28.38	-1.07	1,496,283	997	0.770	0.365
Aug 12, 2026	29.18	29.85	28.83	29.45	+0.04	1,409,510	339	0.573	0.363
Aug 11, 2026	29.57	29.76	29.10	29.41	+0.02	1,346,456	1,147	0.428	0.364
Aug 10, 2026	29.00	29.65	29.00	29.39	+0.18	2,725,808	43	0.499	0.364
Aug 7, 2026	28.57	29.29	28.20	29.21	+0.76	1,781,592	15	0.347	0.364
Aug 6, 2026	28.85	29.48	28.32	28.45	-0.35	3,048,793	282	0.785	0.364
Aug 5, 2026	27.96	29.17	27.80	28.80	+1.65	4,548,196	879	0.464	0.364
Aug 4, 2026	25.66	27.23	25.55	27.15	+1.54	2,417,168	945	0.545	0.360
Aug 3, 2026	25.96	26.11	25.43	25.61	-0.26	1,367,756	3,252	0.586	0.355
Jul 31, 2026	26.44	26.44	25.35	25.87	-0.68	1,533,948	2,467	0.948	0.356
Jul 30, 2026	26.13	26.58	25.87	26.55	+0.21	1,298,390	67	0.757	0.355
Jul 29, 2026	26.12	26.54	25.82	26.34	+0.33	1,731,438	670	0.507	0.357
Jul 28, 2026	25.52	26.08	25.52	26.01	+0.62	940,430	106	0.495	0.357

Dividend History

Ex-Date	Pay Date	Amount	Annual	Yield
No reported dividends.

Split History

Split Date	Factor	Announced
No splits on record.