ATGFF | AltaGas | Historical Data

S&P 500$7,656.98
+0.86%
2m
DOW 30$52,573.29
+0.98%
2m
NASDAQ 100$29,368.44
+0.91%
2m
Russell 2000$288.89
+0.41%
2m
Russell 1000$417.91
+0.87%
2m
S&P 400$3,714.14
+0.83%
2m
S&P 600$1,726.18
+0.55%
2m

AltaGas (ATGFF)

OTC

$37.60-$0.87 (-2.25%)

Price as of Sep 11, 2026

N/A
Market Cap
28.56%
1-Year Change
Oil & Gas Midstream
Industry

1 Month
-1.59%

Low Price$37.60

High Price$39.02
3 Months
-5.25%

Low Price$36.45

High Price$40.62
1 Year
+28.56%

Low Price$27.92

High Price$40.62

From

Show

Frequency

Date	Open	High	Low	Close	Change (%)	Volume
09/11/2026	37.60	37.60	37.60	37.60	-2.25%	27,728
09/10/2026	38.87	38.87	38.47	38.47	-1.42%	57,002
09/09/2026	39.04	39.04	39.02	39.02	+1.07%	75,895
09/08/2026	38.79	38.79	38.61	38.61	+2.25%	132,631
09/04/2026	37.93	37.93	37.69	37.76	-1.54%	25,576
09/01/2026	38.36	38.36	38.35	38.35	-0.72%	77,098
08/31/2026	38.36	38.65	38.36	38.63	+1.79%	200,414
08/28/2026	38.13	38.13	37.95	37.95	+0.17%	34,224
08/27/2026	37.70	37.93	37.70	37.89	-1.10%	17,324
08/26/2026	38.31	38.31	38.31	38.31	+0.54%	11,251
08/25/2026	38.27	38.27	38.10	38.10	+1.04%	16,340
08/24/2026	37.76	37.76	37.71	37.71	-0.21%	9,388
08/21/2026	38.58	38.58	37.79	37.79	-2.26%	73,647
08/20/2026	38.66	38.66	38.66	38.66	+0.71%	36,308
08/19/2026	38.66	38.66	38.39	38.39	-0.98%	63,591
08/18/2026	38.70	38.77	38.70	38.77	+1.23%	2,479
08/14/2026	38.62	38.62	38.30	38.30	+0.71%	5,325
08/13/2026	38.03	38.03	38.03	38.03	+0.26%	87,200
08/12/2026	37.93	37.93	37.93	37.93	-0.73%	67,190
08/11/2026	38.21	38.21	38.21	38.21	+1.40%	79,145
08/10/2026	38.12	38.12	37.48	37.68	-1.15%	170,039
08/07/2026	38.12	38.12	38.12	38.12	+0.05%	81,990
08/06/2026	38.10	38.10	38.10	38.10	-0.10%	84,327
08/05/2026	38.54	38.60	38.13	38.14	-3.39%	151,676
08/04/2026	39.04	39.48	38.99	39.48	-0.18%	25,070
08/03/2026	40.08	40.08	39.45	39.55	-1.32%	1,201
07/31/2026	40.35	40.56	40.04	40.08	+1.75%	60,744
07/30/2026	40.57	40.61	39.39	39.39	-0.51%	62,766
07/30/2026	$0.22 Earnings
07/29/2026	39.48	39.59	39.20	39.59	+0.61%	47,635
07/28/2026	39.93	39.93	39.35	39.35	-0.91%	22,130
07/27/2026	40.44	40.44	39.71	39.71	-2.24%	49,799
07/24/2026	40.30	40.62	40.30	40.62	+0.53%	47,735
07/23/2026	40.13	40.41	40.13	40.41	+1.34%	68,968
07/22/2026	39.59	40.00	39.59	39.87	+2.23%	21,314
07/21/2026	39.00	39.00	39.00	39.00	-1.17%	27,852
07/20/2026	39.85	39.85	39.46	39.46	+1.14%	56,606
07/15/2026	39.00	39.02	38.83	39.02	+1.42%	9,174
07/13/2026	38.32	38.47	38.32	38.47	+1.53%	9,326
07/10/2026	38.17	38.17	37.89	37.89	-0.80%	34,070
07/09/2026	38.20	38.20	38.20	38.20	+0.13%	41,610
07/08/2026	38.36	38.36	38.15	38.15	+0.89%	12,392
07/07/2026	37.25	37.81	37.24	37.81	+2.44%	42,909
07/06/2026	37.32	37.32	36.91	36.91	+0.74%	681,552
07/02/2026	36.44	36.71	36.36	36.64	+0.52%	43,218
07/01/2026	36.57	36.57	36.45	36.45	-1.38%	506
06/30/2026	37.41	37.46	36.96	36.96	-1.41%	125,689
06/29/2026	37.49	37.49	37.49	37.49	-1.78%	66,482
06/26/2026	38.17	38.17	38.17	38.17	-0.60%	170,101
06/25/2026	38.12	38.40	38.12	38.40	+0.44%	112,548
06/24/2026	37.98	38.23	37.98	38.23	+0.62%	73,022
06/23/2026	38.20	38.20	38.00	38.00	+1.13%	15,527
06/18/2026	37.57	37.57	37.57	37.57	-1.60%	94,467
06/17/2026	38.35	38.35	38.18	38.18	-1.52%	53,191
06/16/2026	38.77	38.77	38.77	38.77	-1.00%	36,556
06/16/2026	$0.24 Dividend
06/15/2026	38.59	39.16	38.59	39.16	-1.33%	12,301
06/11/2026	39.91	39.91	39.69	39.69	-0.60%	156,061
06/10/2026	39.60	39.93	39.60	39.93	+1.90%	146,876
06/09/2026	38.65	39.18	38.65	39.18	-1.40%	16,834
06/05/2026	39.88	39.92	39.74	39.74	+0.38%	38,308
06/04/2026	39.28	39.69	39.28	39.59	+0.73%	30,580
06/03/2026	39.10	39.45	39.01	39.30	+1.05%	605,937
06/02/2026	38.98	38.98	38.89	38.89	+0.10%	19,711
06/01/2026	38.71	38.85	38.71	38.85	+0.46%	235,808
05/29/2026	38.75	38.75	38.50	38.67	-1.09%	411,328
05/28/2026	38.92	39.35	38.82	39.10	+0.82%	177,383
05/27/2026	38.64	38.78	38.64	38.78	-0.23%	54,979
05/26/2026	38.48	38.91	38.48	38.87	-0.46%	79,117
05/22/2026	39.06	39.06	39.05	39.05	+1.21%	518
05/21/2026	38.63	38.86	38.58	38.58	+0.49%	3,274
05/20/2026	38.76	38.76	38.40	38.40	-1.55%	4,703
05/19/2026	38.67	39.00	38.60	39.00	+1.45%	738
05/18/2026	38.35	38.45	38.35	38.45	-0.008%	699
05/15/2026	38.49	38.55	38.45	38.45	+0.68%	812
05/14/2026	38.19	38.19	38.19	38.19	+1.24%	136
05/12/2026	37.84	37.84	37.72	37.72	+2.25%	16,307
05/08/2026	37.08	37.08	36.88	36.89	+0.91%	16,240
05/07/2026	36.78	36.78	36.56	36.56	-1.31%	17,406
05/06/2026	37.40	37.40	37.04	37.04	-3.19%	17,916
05/05/2026	38.55	38.55	38.26	38.26	-0.40%	38,216
05/04/2026	38.01	38.43	38.01	38.42	+0.20%	7,795
05/01/2026	38.03	38.34	38.01	38.34	+3.00%	166,827
04/30/2026	37.83	37.83	37.22	37.22	+0.21%	245,470
04/30/2026	$0.97 Earnings
04/29/2026	36.72	37.14	36.72	37.14	+1.19%	53,195
04/28/2026	36.71	36.71	36.71	36.71	-0.14%	29,558
04/27/2026	36.66	36.76	36.66	36.76	+1.82%	26,518
04/24/2026	36.07	36.10	35.93	36.10	-0.33%	49,005
04/23/2026	35.40	36.22	35.40	36.22	+1.84%	74,180
04/22/2026	35.52	35.61	35.52	35.56	+0.11%	43,198
04/21/2026	35.36	35.55	35.36	35.52	+0.06%	72,310
04/17/2026	35.79	35.79	35.50	35.50	-0.92%	21,022
04/16/2026	35.49	35.83	35.29	35.83	+2.71%	206,919
04/15/2026	34.48	34.89	34.48	34.89	+0.57%	136,413
04/14/2026	34.65	34.69	34.65	34.69	-1.11%	73,704
04/10/2026	35.39	35.39	35.03	35.08	-1.38%	26,600
04/09/2026	35.51	35.57	35.51	35.57	+2.77%	12,614
04/08/2026	35.07	35.07	34.46	34.61	-1.78%	22,357
04/07/2026	35.70	35.70	35.24	35.24	+0.40%	6,097