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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 trading day, 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
DateOpenHighLowCloseChangeVolume
Oct 30, 2026$1.89$1.99$1.85$1.89-0.53%55,791
Oct 29, 2026$1.91$2.04$1.81$1.90-4.52%86,473
Oct 28, 2026$2.05$2.08$1.92$1.99-2.93%53,004
Oct 27, 2026$2.13$2.18$2.05$2.05-5.96%106,610
Oct 26, 2026$2.16$2.27$1.95$2.18-1.80%1,718,063
Oct 23, 2026$2.26$2.31$2.03$2.22-0.89%170,837
Oct 22, 2026$2.00$2.24$1.98$2.24+14.29%204,521
Oct 21, 2026$1.86$2.01$1.86$1.96+4.26%36,383
Oct 20, 2026$1.87$1.89$1.80$1.88+2.17%6,258
Oct 19, 2026$1.78$1.85$1.78$1.84+2.22%45,348
Oct 16, 2026$1.83$1.91$1.80$1.80-1.10%34,839
Oct 15, 2026$1.76$1.88$1.76$1.82+1.68%69,345
Oct 14, 2026$1.76$1.82$1.73$1.79+0.85%63,106
Oct 13, 2026$1.77$1.89$1.75$1.78+0.85%77,114
Oct 12, 2026$1.78$1.79$1.76$1.76-3.30%43,259
Oct 9, 2026$1.87$1.89$1.80$1.82-2.15%88,574
Oct 8, 2026$1.81$1.88$1.81$1.86+2.20%22,925
Oct 7, 2026$1.82$1.85$1.82$1.82-1.09%8,723
Oct 6, 2026$1.87$1.91$1.83$1.84-1.87%74,032
Oct 5, 2026$1.85$1.92$1.85$1.88-0.27%25,036
Oct 2, 2026$1.93$1.93$1.85$1.88-3.09%19,468
Oct 1, 2026$1.97$1.97$1.93$1.94-1.02%19,370
Sep 30, 2026$1.96$2.03$1.96$1.96-0.76%68,514
Sep 29, 2026$2.05$2.05$1.95$1.98-3.66%40,279
Sep 28, 2026$2.03$2.05$1.99$2.05+0.99%15,560
Sep 25, 2026$2.01$2.07$1.98$2.03-0.49%57,276
Sep 24, 2026$1.96$2.04$1.96$2.04+3.03%24,646
Sep 23, 2026$1.97$2.02$1.94$1.980.00%79,952
Sep 22, 2026$1.92$1.99$1.92$1.98+2.59%29,699
Sep 21, 2026$1.92$2.00$1.91$1.93-0.52%59,975

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%