Stockwatch

Close Prices Last 3 Months

Price/volumes not adjusted for restructures

Date	Ex	Sym	Open	High	Low	Close	Chg	Vol	#Tr	Bid	Ask
2024-04-26	Q	ALTR	83.53	84.38	83.505	83.58	0.405	277,399	3,639	83.28	91.45
2024-04-25	Q	ALTR	82.01	83.445	82.01	83.175	-0.275	369,063	4,981	81.00	132.67
2024-04-24	Q	ALTR	83.66	84.615	82.61	83.45	-0.33	256,818	4,190	75.92	90.00
2024-04-23	Q	ALTR	82.40	83.86	82.40	83.78	1.56	178,619	3,910	74.99	133.90
2024-04-22	Q	ALTR	83.06	83.26	81.30	82.22	-0.10	424,334	5,143	81.56	89.84
2024-04-19	Q	ALTR	80.84	82.51	80.84	82.32	1.55	684,830	6,282	74.65	82.84
2024-04-18	Q	ALTR	80.92	82.80	80.00	80.77	0.21	567,726	5,680	80.60	80.75
2024-04-17	Q	ALTR	81.60	81.91	80.43	80.56	-0.58	201,755	3,619	80.02	88.17
2024-04-16	Q	ALTR	80.61	81.72	80.3015	81.14	0.12	182,183	4,137	80.76	88.47
2024-04-15	Q	ALTR	83.35	83.45	80.68	81.10	-1.00	269,797	3,885	73.71	81.52
2024-04-12	Q	ALTR	82.67	82.89	81.66	82.10	-1.57	264,990	3,374	81.28	99.92
2024-04-11	Q	ALTR	82.48	84.24	82.0702	83.67	1.54	298,667	4,576	80.60	99.98
2024-04-10	Q	ALTR	82.83	84.7825	81.65	82.13	-3.01	356,931	4,240	81.40	82.60
2024-04-09	Q	ALTR	86.38	86.98	84.3775	85.14	-0.79	523,076	4,373	84.58	93.15
2024-04-08	Q	ALTR	84.66	86.35	84.66	85.93	1.36	226,934	4,006	85.35	86.57
2024-04-05	Q	ALTR	83.46	84.79	82.95	84.57	1.11	313,591	4,385	83.96	92.47
2024-04-04	Q	ALTR	84.82	86.27	83.45	83.46	-0.21	293,647	4,848	82.94	84.15
2024-04-03	Q	ALTR	83.18	85.255	82.99	83.67	-0.09	291,698	4,884	76.12	84.46
2024-04-02	Q	ALTR	84.00	84.26	82.95	83.76	-1.71	301,809	3,905	72.00	85.44
2024-04-01	Q	ALTR	86.54	86.79	84.705	85.47	-0.68	233,537	4,896	84.76	85.97
2024-03-29	Q	ALTR	86.55	86.55	85.66	86.15	-0.12	0	0	86.35	86.78
2024-03-28	Q	ALTR	86.55	86.55	85.66	86.15	-0.12	563,810	5,875	86.35	86.78
2024-03-27	Q	ALTR	85.49	86.41	84.17	86.27	1.14	333,653	4,745	85.53	86.75
2024-03-26	Q	ALTR	85.38	86.11	84.60	85.13	0.76	274,853	4,631	84.66	85.88
2024-03-25	Q	ALTR	84.80	85.88	84.32	84.37	-0.18	227,925	4,107	84.15	92.35
2024-03-22	Q	ALTR	87.44	87.69	83.91	84.55	-2.25	342,174	5,246	76.82	85.12
2024-03-21	Q	ALTR	84.16	87.41	83.76	86.80	3.63	563,608	8,332	87.02	87.50
2024-03-20	Q	ALTR	80.25	83.66	80.25	83.17	2.55	431,661	5,796	82.01	99.92
2024-03-19	Q	ALTR	79.77	81.53	79.68	80.62	0.34	317,065	3,342	77.87	83.64
2024-03-18	Q	ALTR	79.16	81.395	79.08	80.28	1.25	369,949	3,712	66.14	83.64
2024-03-15	Q	ALTR	80.86	81.03	78.37	79.03	-2.55	626,584	6,122	78.44	86.36
2024-03-14	Q	ALTR	81.86	82.30	80.60	81.58	0.16	443,010	6,200	80.00	82.00
2024-03-13	Q	ALTR	81.66	82.32	80.83	81.42	-0.73	381,075	5,214	81.12	81.66
2024-03-12	Q	ALTR	81.76	83.11	81.175	82.15	-0.26	367,772	5,283	81.69	82.66
2024-03-11	Q	ALTR	82.11	83.35	81.75	82.41	-0.06	277,446	4,209	78.91	87.00
2024-03-08	Q	ALTR	83.96	84.50	82.38	82.47	-1.03	271,575	4,203	81.98	82.96
2024-03-07	Q	ALTR	83.06	83.72	82.10	83.50	0.905	302,891	4,459	82.00	133.60
2024-03-06	Q	ALTR	83.01	83.88	82.13	82.595	1.075	339,990	4,818	82.25	132.09
2024-03-05	Q	ALTR	85.01	85.01	81.09	81.52	-4.27	372,667	5,385	70.42	87.92
2024-03-04	Q	ALTR	85.32	86.41	85.32	85.79	0.11	325,972	5,363	85.18	86.17
2024-03-01	Q	ALTR	85.395	86.19	84.585	85.63	0.55	325,387	5,149	77.77	86.05
2024-02-29	Q	ALTR	85.36	85.97	84.80	85.08	0.44	738,826	6,432	77.38	85.62
2024-02-28	Q	ALTR	83.65	85.145	83.65	84.64	0.08	492,704	5,303	70.42	86.00
2024-02-27	Q	ALTR	85.66	86.00	84.055	84.56	-0.71	529,160	5,843	84.04	92.32
2024-02-26	Q	ALTR	86.00	86.50	83.48	85.27	-0.25	973,403	10,205	77.48	85.73
2024-02-23	Q	ALTR	87.48	88.82	82.50	85.52	-4.34	1,096,676	10,331	84.90	85.90
2024-02-22	Q	ALTR	89.17	90.885	89.13	89.86	2.95	588,490	6,973	87.00	97.64
2024-02-21	Q	ALTR	86.85	87.535	85.85	86.91	-0.93	417,926	5,679	77.83	139.00
2024-02-20	Q	ALTR	89.31	90.00	86.78	87.84	-2.63	306,250	4,655	85.10	99.98
2024-02-19	Q	ALTR	91.70	91.835	90.01	90.47	-1.21	0	0	89.94	90.77
2024-02-16	Q	ALTR	91.70	91.835	90.01	90.47	-1.21	347,365	4,904	89.94	90.77
2024-02-15	Q	ALTR	89.96	92.015	89.27	91.68	2.72	499,046	6,556	88.10	99.98
2024-02-14	Q	ALTR	87.20	89.35	86.85	88.96	3.06	341,362	4,935	88.10	142.32
2024-02-13	Q	ALTR	87.09	88.06	84.82	85.90	-4.12	585,345	7,705	83.75	137.42
2024-02-12	Q	ALTR	92.01	92.49	89.59	90.02	-2.24	353,476	6,147	52.16	99.86
2024-02-09	Q	ALTR	91.00	92.92	90.4018	92.26	2.15	453,310	4,978	83.85	92.74
2024-02-08	Q	ALTR	89.80	90.74	89.678	90.11	0.63	363,108	4,786	81.92	90.61
2024-02-07	Q	ALTR	89.00	89.56	88.075	89.48	0.79	259,039	3,757	88.93	89.95
2024-02-06	Q	ALTR	87.27	88.94	86.37	88.69	1.83	524,552	6,214	80.61	89.18
2024-02-05	Q	ALTR	86.64	87.635	85.5675	86.86	-0.80	312,691	5,060	80.00	139.12
2024-02-02	Q	ALTR	85.95	88.035	85.45	87.66	1.69	355,022	4,882	87.04	95.59
2024-02-01	Q	ALTR	85.77	86.08	84.02	85.97	0.95	256,402	5,449	52.16	88.87
2024-01-31	Q	ALTR	86.59	86.815	84.98	85.02	-1.80	395,597	5,116	84.70	95.92
2024-01-30	Q	ALTR	87.21	87.21	86.53	86.82	-0.38	212,061	4,051	81.00	95.92
2024-01-29	Q	ALTR	85.40	87.30	85.345	87.20	1.96	371,028	4,671	86.94	95.52