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Advantest Corp (ADTTF) stock

ADTTFOTCSemiconductors & Related DevicesFiscal year ends December 31Also trades as ATEYY
Financials through fiscal 2014, year ended Mar 31, 2015Last filing: 20-F on Jun 25, 2015
$226.77+8.32 (+3.81%)

Close on Oct 19, 2026

Price history

Advantest share prices for every week, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 19, 2026
$226.77
+3.81% on the day
52-week range
$105.69 – $278.93
-18.7% from the high
Change over 52 weeks
+90.2%
From $119.20 on Oct 17, 2025
Average volume
2,384
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 19, 2026$229.24$229.24$209.89$226.77+3.81%81,128
Oct 12, 2026$258.50$264.91$205.20$218.45-15.98%8,882
Oct 5, 2026$264.73$278.93$246.51$260.00+2.10%1,999
Sep 28, 2026$215.77$263.58$205.18$254.66+12.23%8,167
Sep 21, 2026$212.00$226.91$200.16$226.91+7.09%1,910
Sep 14, 2026$201.63$211.88$189.01$211.88+2.30%552
Sep 8, 2026$231.14$231.14$207.11$207.11-7.43%419
Aug 31, 2026$219.73$223.73$199.74$223.73+0.81%2,912
Aug 24, 2026$221.95$233.33$207.68$221.94+3.22%20,579
Aug 17, 2026$235.25$248.99$211.16$215.01-8.31%889
Aug 10, 2026$204.19$235.21$204.19$234.50+9.36%1,804
Aug 3, 2026$202.67$223.49$189.58$214.42+9.96%1,151
Jul 27, 2026$177.97$203.20$147.28$195.00+6.49%4,883
Jul 20, 2026$174.30$192.15$174.30$183.11+5.05%574
Jul 13, 2026$185.00$185.00$170.75$174.30-5.78%675
Jul 6, 2026$209.00$209.00$174.00$185.00-11.48%70,549
Jun 29, 2026$201.74$209.00$201.74$209.00+3.60%6,753
Jun 22, 2026$150.42$201.74$150.42$201.74+34.12%723
Jun 15, 2026$150.42$150.42$150.42$150.420.00%0
Jun 8, 2026$166.88$166.88$150.42$150.42-9.86%156
Jun 1, 2026$166.88$166.88$166.88$166.88-1.84%9,915
May 26, 2026$171.00$171.00$170.00$170.00-0.58%233
May 18, 2026$163.25$171.00$163.25$171.00+4.75%158
May 11, 2026$180.71$180.71$163.25$163.25-13.47%627
May 4, 2026$189.95$189.95$184.47$188.66-0.68%251
Apr 27, 2026$174.84$189.95$174.84$189.95+8.64%183
Apr 20, 2026$174.84$174.84$174.84$174.840.00%0
Apr 13, 2026$155.23$174.84$152.33$174.84+30.56%8,407
Apr 6, 2026$133.92$133.92$133.92$133.920.00%0
Mar 30, 2026$133.92$133.92$133.92$133.920.00%0
Mar 23, 2026$153.88$153.88$133.92$133.92-12.97%806
Mar 16, 2026$150.50$155.92$150.50$153.88+2.24%968
Mar 9, 2026$157.04$162.18$150.50$150.50-4.16%7,883
Mar 2, 2026$155.10$165.09$155.10$157.04+1.25%966
Feb 23, 2026$155.10$155.10$155.10$155.100.00%0
Feb 17, 2026$180.00$180.00$155.10$155.10-13.83%936
Feb 9, 2026$171.10$185.00$171.10$180.00+5.20%1,374
Feb 2, 2026$167.89$172.00$156.10$171.10-9.95%28,309
Jan 26, 2026$149.70$190.00$149.70$190.00+26.92%1,000
Jan 20, 2026$138.00$152.59$137.74$149.70+1.44%2,900
Jan 12, 2026$126.47$147.58$126.47$147.58+16.69%743
Jan 5, 2026$126.47$126.47$126.47$126.470.00%0
Dec 29, 2025$129.83$129.83$126.47$126.47-2.59%4,050
Dec 22, 2025$129.83$129.83$129.83$129.830.00%0
Dec 15, 2025$125.08$130.84$125.08$129.83+3.80%292
Dec 8, 2025$117.88$125.08$117.88$125.08+6.11%291
Dec 1, 2025$117.88$117.88$117.88$117.880.00%0
Nov 24, 2025$121.32$122.00$117.88$117.88-2.84%5,655
Nov 17, 2025$122.49$133.21$121.32$121.32-3.18%3,243
Nov 10, 2025$130.74$135.08$123.49$125.30-4.16%2,259
Nov 3, 2025$150.00$150.00$130.74$130.74-12.84%7,477
Oct 27, 2025$110.00$154.38$110.00$150.00+36.36%8,715

Seasonality

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average18.3%-2.9%-1.0%23.2%6.2%9.9%1.5%1.2%-0.4%8.0%7.3%1.4%
Months up4 of 102 of 106 of 104 of 105 of 104 of 104 of 102 of 105 of 103 of 105 of 93 of 9
202650.2%-18.4%-13.7%41.8%-10.5%22.9%-6.7%10.2%7.2%-1.5%
2025-8.6%-4.5%-16.4%-7.6%14.0%48.9%-4.8%19.3%-1.3%87.6%-21.4%7.3%
202422.7%10.7%-6.0%-26.8%4.2%22.8%9.5%-4.5%9.0%28.2%5.8%0.0%
202311.6%3.6%22.7%-10.1%49.4%0.0%10.5%-10.8%-9.8%-11.5%32.8%5.2%
2022-7.9%-3.5%-1.8%-14.4%0.9%-19.2%4.7%-2.2%-11.7%6.7%27.4%-3.0%
20210.0%0.0%1.1%96.6%0.0%0.0%-12.2%0.0%0.5%-2.0%6.7%3.2%
2020114.9%-17.4%0.7%0.0%3.9%0.0%0.0%0.0%0.7%0.0%0.0%0.0%
20190.0%0.0%2.0%0.0%0.0%37.2%0.0%0.0%1.4%0.0%0.0%0.0%
20180.0%0.0%0.9%25.0%0.0%-13.3%14.2%0.0%0.0%-27.5%14.4%0.0%
20170.0%0.0%1.1%127.5%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%

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