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Aetherion Technologies Inc. logo

Aetherion Technologies Inc. (AETR) stock

AETRNasdaqEngines & TurbinesFiscal year ends December 31Also trades as WPRT
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 20-F on Apr 23, 2026Score 4/30
$1.89−0.01 (-0.53%)

Close on Oct 30, 2026Market cap $32.84MP/E –Yield –

Price history

Aetherion Technologies share prices for every month, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$1.89
-0.53% on the day
52-week range
$1.54 – $2.55
-25.9% from the high
Change over 52 weeks
-5.0%
From $1.99 on Oct 30, 2025
Average volume
98,265
Shares a day, last 90 sessions
MonthOpenHighLowCloseChangeVolume
Oct 2026$1.97$2.31$1.73$1.89-3.57%3,029,079
Sep 2026$1.85$2.07$1.76$1.96+5.95%1,252,998
Aug 2026$1.82$1.96$1.69$1.85+4.82%1,472,045
Jul 2026$2.22$2.25$1.67$1.77-21.90%1,659,303
Jun 2026$1.94$2.55$1.74$2.26+13.57%62,361,964
May 2026$2.04$2.11$1.86$1.99-1.97%560,833
Apr 2026$1.81$2.18$1.71$2.03+11.54%984,262
Mar 2026$1.99$2.18$1.79$1.82-8.08%747,640
Feb 2026$1.93$2.14$1.85$1.98+1.54%932,015
Jan 2026$1.59$2.31$1.56$1.95+24.20%1,876,332
Dec 2025$1.77$1.86$1.57$1.57-11.80%2,166,079
Nov 2025$2.00$2.12$1.54$1.78-11.00%1,392,806
Oct 2025$2.28$2.41$1.97$2.00-11.89%1,934,170
Sep 2025$2.78$2.80$2.21$2.27-18.64%1,044,297
Aug 2025$3.66$3.88$2.75$2.79-25.00%703,375
Jul 2025$3.10$4.15$3.06$3.72+19.61%618,069
Jun 2025$2.97$3.17$2.75$3.11+6.87%336,430
May 2025$2.91$3.09$2.65$2.91-0.34%311,183
Apr 2025$3.66$3.77$2.50$2.92-21.29%689,861
Mar 2025$4.20$4.25$3.36$3.71-12.50%723,688
Feb 2025$4.25$4.77$4.03$4.24-2.97%545,138
Jan 2025$3.59$4.78$3.58$4.37+22.07%1,198,585
Dec 2024$4.75$4.77$3.26$3.58-24.63%2,029,787
Nov 2024$4.14$4.81$3.91$4.75+15.29%1,462,136
Oct 2024$4.62$4.63$4.02$4.12-10.24%1,126,765
Sep 2024$5.70$5.72$4.42$4.59-19.61%1,271,050
Aug 2024$5.99$6.20$5.50$5.71-4.52%443,675
Jul 2024$5.60$6.50$5.40$5.98+7.36%528,769
Jun 2024$5.39$6.60$5.39$5.57+3.34%676,024
May 2024$5.45$6.35$5.21$5.39-1.10%1,009,298
Apr 2024$6.74$6.74$5.45$5.45-19.14%947,164
Mar 2024$6.22$7.41$5.43$6.74+8.71%1,613,303
Feb 2024$6.37$6.85$5.55$6.20-1.74%703,427
Jan 2024$6.62$6.70$5.51$6.31-4.68%819,012
Dec 2023$7.12$7.86$6.50$6.62-8.18%912,748
Nov 2023$5.19$7.68$5.04$7.21+41.65%1,071,408
Oct 2023$5.92$6.08$4.90$5.09-16.01%854,103
Sep 2023$7.19$7.44$5.97$6.06-15.24%689,389
Aug 2023$10.93$11.38$6.87$7.15-34.88%1,421,167
Jul 2023$7.70$12.00$7.40$10.98+43.16%1,887,674
Jun 2023$7.08$9.15$6.40$7.67+8.69%1,420,106
May 2023$7.20$8.06$6.53$7.06-4.64%754,717
Apr 2023$9.50$9.80$7.00$7.40-22.11%1,011,368
Mar 2023$11.70$13.40$8.00$9.50-18.10%1,294,728
Feb 2023$10.20$13.40$9.90$11.60+13.73%1,051,187
Jan 2023$7.99$10.30$7.70$10.20+32.47%721,294
Dec 2022$9.50$10.20$7.50$7.70-19.78%1,306,989
Nov 2022$9.17$9.80$7.50$9.60+6.66%1,487,232
Oct 2022$8.98$9.69$8.02$9.00+3.26%762,778
Sep 2022$10.60$11.90$8.72$8.72-20.04%1,425,885
Aug 2022$12.10$16.00$10.50$10.90-8.40%2,250,867
Jul 2022$10.10$12.11$9.63$11.90+16.67%1,624,770
Jun 2022$12.10$13.85$10.00$10.20-15.00%1,494,515
May 2022$11.80$13.30$9.48$12.00+0.84%2,733,271
Apr 2022$16.00$17.70$11.40$11.90-24.68%2,740,659
Mar 2022$16.00$27.30$13.30$15.80-0.63%8,097,245
Feb 2022$19.60$20.60$13.60$15.90-17.62%3,722,121
Jan 2022$24.00$24.77$16.60$19.30-18.57%3,360,952
Dec 2021$24.60$25.20$20.30$23.70-1.25%4,419,703
Nov 2021$33.50$39.65$22.80$24.00-27.05%6,075,178

Seasonality

AETR return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average10.5%-4.3%-11.5%-0.8%9.5%4.1%5.0%2.7%-8.2%-4.5%12.0%-4.1%
Months up7 of 103 of 102 of 105 of 105 of 105 of 107 of 104 of 103 of 104 of 104 of 92 of 9
202624.2%1.5%-8.1%11.5%-2.0%13.6%-21.9%4.8%5.9%-3.6%
202522.1%-3.0%-12.5%-21.3%-0.3%6.9%19.6%-25.0%-18.6%-11.9%-11.0%-11.8%
2024-4.7%-1.7%8.7%-19.1%-1.1%3.3%7.4%-4.5%-19.6%-10.2%15.3%-24.6%
202332.5%13.7%-18.1%-22.1%-4.6%8.7%43.2%-34.9%-15.2%-16.0%41.7%-8.2%
2022-18.6%-17.6%-0.6%-24.7%0.8%-15.0%16.7%-8.4%-20.0%3.3%6.7%-19.8%
202139.6%25.9%-23.3%-5.0%-8.3%-15.2%-24.5%-1.2%-16.9%0.0%-27.1%-1.3%
20208.4%-27.6%-49.4%11.1%25.4%-5.3%25.0%9.7%-4.1%8.6%122.6%35.3%
201914.3%-11.2%14.8%12.3%57.5%-1.1%9.6%-10.4%2.3%1.1%-11.3%-2.9%
2018-24.2%-6.3%-18.0%7.3%11.9%-3.8%1.2%42.2%-17.6%-21.7%-10.6%-36.7%
201711.5%-16.7%-8.6%41.7%16.2%48.7%-26.4%54.9%22.0%5.8%-18.5%33.3%