ACHR Stock Prices

Data as of Oct 28, 2026

Last

4.34

Change

+0.11

Open

4.28

Previous

4.23

High

4.35

Low

4.21

Bid

-

Ask

-

Volume

21,850,212

Trades

-

Dividend

-

Yield

-

Ex-Div

-

Impl Vol

0.817

Hist Vol

0.668

Opt Volume

15,355

Open Int

703,984

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	4.28	4.35	4.21	4.34	+0.11	21,850,212	15,355	0.817	0.668
Oct 27, 2026	4.03	4.32	4.03	4.23	+0.29	28,208,286	36,611	0.785	0.667
Oct 26, 2026	3.86	3.96	3.80	3.94	+0.03	15,630,587	18,590	0.811	0.663
Oct 23, 2026	3.75	3.96	3.68	3.91	+0.11	19,867,387	23,626	0.827	0.664
Oct 22, 2026	3.77	3.89	3.75	3.80	-0.07	18,132,131	14,840	0.843	0.663
Oct 21, 2026	4.03	4.09	3.82	3.87	-0.11	20,410,170	26,075	0.804	0.665
Oct 20, 2026	4.00	4.13	3.96	3.98	-0.06	16,325,635	15,894	0.751	0.666
Oct 19, 2026	4.15	4.16	4.01	4.04	-0.03	13,779,386	33,693	0.809	0.669
Oct 16, 2026	4.30	4.31	4.01	4.07	-0.20	18,173,176	33,126	0.783	0.671
Oct 15, 2026	4.01	4.29	3.97	4.27	+0.20	25,721,271	37,089	0.766	0.676
Oct 14, 2026	4.32	4.37	4.06	4.07	-0.37	25,534,830	41,586	0.780	0.675
Oct 13, 2026	4.63	4.77	4.44	4.44	-0.25	23,852,549	21,934	0.680	0.670
Oct 12, 2026	4.90	4.94	4.58	4.69	-0.27	25,868,450	28,928	0.713	0.672
Oct 9, 2026	5.02	5.04	4.79	4.96	+0.24	36,879,182	72,063	0.677	0.672
Oct 8, 2026	4.64	4.75	4.61	4.72	+0.05	28,593,008	20,902	0.674	0.670
Oct 7, 2026	4.56	4.73	4.49	4.67	+0.02	32,255,419	23,182	0.703	0.669
Oct 6, 2026	4.74	4.82	4.60	4.65	-0.07	25,863,438	25,474	0.648	0.675
Oct 5, 2026	4.86	4.89	4.70	4.72	-0.17	19,361,876	38,102	0.659	0.696
Oct 2, 2026	5.15	5.17	4.81	4.89	+0.00	24,014,541	46,225	0.628	0.708
Oct 1, 2026	4.96	5.12	4.92	5.03	+0.06	19,673,790	25,955	0.643	0.708
Sep 30, 2026	5.12	5.25	4.97	4.97	-0.09	23,138,441	23,111	0.617	0.708
Sep 29, 2026	5.27	5.29	5.02	5.06	-0.14	18,927,560	32,703	0.654	0.708
Sep 28, 2026	5.52	5.53	5.18	5.20	-0.41	17,366,608	42,700	0.749	0.709
Sep 25, 2026	5.73	5.80	5.61	5.61	-0.10	26,645,368	25,172	0.646	0.705
Sep 24, 2026	5.64	5.74	5.47	5.71	+0.00	28,621,335	23,207	0.675	0.706
Sep 23, 2026	5.67	5.74	5.54	5.71	+0.02	19,238,247	39,547	0.669	0.706
Sep 22, 2026	5.60	5.71	5.46	5.69	+0.26	20,335,425	43,406	0.671	0.708
Sep 21, 2026	5.37	5.51	5.28	5.43	+0.17	22,096,633	42,952	0.709	0.707
Sep 18, 2026	5.51	5.60	5.24	5.26	-0.14	46,506,548	16,197	0.652	0.709
Sep 17, 2026	5.32	5.46	5.28	5.40	+0.18	25,485,502	34,333	0.661	0.709
Sep 16, 2026	5.49	5.51	5.12	5.22	-0.25	27,830,987	29,040	0.660	0.709
Sep 15, 2026	5.47	5.55	5.29	5.47	-0.04	24,607,559	28,084	0.675	0.707
Sep 14, 2026	5.41	5.61	5.38	5.51	-0.06	29,805,642	26,934	0.711	0.708
Sep 11, 2026	5.49	5.65	5.47	5.57	+0.12	17,175,938	20,431	0.634	0.709
Sep 10, 2026	5.41	5.69	5.35	5.45	-0.05	23,422,252	46,820	0.656	0.709
Sep 9, 2026	5.75	5.79	5.50	5.50	-0.33	22,000,297	27,684	0.655	0.710
Sep 8, 2026	5.70	5.89	5.67	5.83	+0.00	22,316,620	43,979	0.662	0.707
Sep 4, 2026	5.73	5.79	5.60	5.71	-0.05	15,447,038	21,838	0.577	0.706
Sep 3, 2026	5.80	5.96	5.70	5.76	+0.11	16,775,286	23,350	0.612	0.706
Sep 2, 2026	5.56	5.69	5.51	5.65	+0.09	14,963,684	20,740	0.612	0.706
Sep 1, 2026	5.63	5.66	5.48	5.56	-0.22	20,010,980	34,101	0.621	0.706
Aug 31, 2026	5.70	5.93	5.69	5.78	+0.03	28,469,686	43,356	0.710	0.706
Aug 28, 2026	5.88	5.93	5.68	5.75	-0.18	23,157,770	37,272	0.642	0.707
Aug 27, 2026	5.95	6.03	5.88	5.93	+0.03	22,754,308	22,970	0.682	0.706
Aug 26, 2026	5.91	6.14	5.86	5.90	-0.06	20,467,285	24,565	0.702	0.706
Aug 25, 2026	6.13	6.15	5.88	5.96	-0.11	26,621,433	28,737	0.688	0.706
Aug 24, 2026	6.21	6.32	6.00	6.07	-0.23	32,145,958	35,159	0.808	0.707
Aug 21, 2026	6.15	6.53	6.10	6.30	+0.21	32,699,083	46,982	0.721	0.706
Aug 20, 2026	6.31	6.35	5.99	6.09	-0.36	33,220,770	56,884	0.738	0.706
Aug 19, 2026	6.30	6.47	6.17	6.45	+0.13	26,416,570	28,167	0.733	0.703
Aug 18, 2026	6.17	6.42	6.13	6.32	-0.07	31,713,301	36,530	0.723	0.706
Aug 17, 2026	6.48	6.54	6.32	6.39	-0.23	29,737,829	49,826	0.798	0.706
Aug 14, 2026	6.92	7.29	6.49	6.62	-0.35	43,569,153	104,225	0.788	0.705
Aug 13, 2026	6.21	7.07	6.19	6.97	+0.68	61,222,678	144,968	0.820	0.703
Aug 12, 2026	6.85	6.92	6.16	6.29	-0.50	52,041,195	106,676	0.773	0.695
Aug 11, 2026	6.23	7.08	6.13	6.79	+0.53	89,595,698	188,479	0.878	0.695
Aug 10, 2026	6.41	6.87	5.94	6.26	+0.67	126,738,487	357,109	1.427	0.690
Aug 7, 2026	5.36	5.60	5.30	5.59	+0.36	33,920,032	53,695	0.998	0.680
Aug 6, 2026	5.17	5.36	5.08	5.23	+0.03	25,975,419	19,488	0.999	0.677
Aug 5, 2026	5.30	5.35	5.13	5.20	-0.11	23,505,968	23,189	0.990	0.678
Aug 4, 2026	4.94	5.36	4.91	5.31	+0.47	29,124,076	53,008	0.993	0.678
Aug 3, 2026	4.67	4.92	4.60	4.84	+0.20	30,481,940	34,871	0.985	0.676
Jul 31, 2026	4.78	4.85	4.57	4.64	-0.10	29,676,802	26,700	0.858	0.676
Jul 30, 2026	4.58	4.77	4.52	4.74	+0.26	31,422,722	28,317	0.851	0.676
Jul 29, 2026	4.80	4.83	4.47	4.48	-0.34	25,597,071	29,439	0.857	0.673
Jul 28, 2026	4.81	4.91	4.66	4.82	-0.13	22,692,850	17,898	0.883	0.671

Dividend History

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

Split History

Split Date	Factor	Announced
No splits on record.