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Align Technology Inc (ALGN) stock

ALGNNasdaqOrthopedic, Prosthetic & Surgical Appliances & SuppliesFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 5, 2026Score 15/3026% below fair value
$149.89−3.82 (-2.49%)

Close on Oct 30, 2026Market cap $10.65BP/E 26.1Yield –

Price history

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

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Close, Oct 30, 2026
$149.89
-2.49% on the day
52-week range
$130.23 – $200.44
-25.2% from the high
Change over 52 weeks
+8.3%
From $138.43 on Oct 30, 2025
Average volume
954,816
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$153.49$156.50$147.52$149.89-2.99%6,052,528
Oct 19, 2026$147.36$155.94$145.40$154.51+4.89%4,661,498
Oct 12, 2026$143.23$152.27$139.81$147.31+3.22%4,660,007
Oct 5, 2026$140.07$143.64$138.05$142.71-0.72%5,804,360
Sep 28, 2026$145.00$147.09$142.24$143.74-2.07%3,911,393
Sep 21, 2026$147.97$154.10$144.20$146.78-0.56%4,885,260
Sep 14, 2026$151.29$153.86$146.20$147.61-2.13%4,984,668
Sep 8, 2026$156.13$156.13$148.50$150.82-4.93%3,370,427
Aug 31, 2026$155.36$162.92$153.98$158.64+0.67%4,236,557
Aug 24, 2026$162.25$162.80$157.21$157.58-3.06%3,983,284
Aug 17, 2026$179.05$181.33$157.34$162.55-10.35%4,502,619
Aug 10, 2026$173.02$182.20$169.46$181.31+4.41%3,353,909
Aug 3, 2026$171.41$175.54$165.00$173.66+2.66%4,661,073
Jul 27, 2026$165.43$187.96$164.74$169.16+1.28%6,748,398
Jul 20, 2026$177.08$179.30$165.67$167.02-5.51%3,922,214
Jul 13, 2026$180.14$184.62$174.93$176.76-1.50%3,716,220
Jul 6, 2026$183.72$190.97$173.70$179.45-2.75%4,753,759
Jun 29, 2026$177.62$186.52$166.27$184.52+3.41%5,206,092
Jun 22, 2026$178.50$180.55$165.50$178.43-2.00%6,412,267
Jun 15, 2026$177.88$185.00$172.16$182.08+4.14%4,520,608
Jun 8, 2026$167.55$179.85$167.08$174.84+4.23%4,814,735
Jun 1, 2026$172.40$173.47$160.70$167.74-4.12%4,302,148
May 26, 2026$164.97$177.66$160.33$174.95+6.93%5,174,453
May 18, 2026$158.02$165.48$151.58$163.61+4.04%5,912,875
May 11, 2026$168.88$169.66$156.99$157.25-6.83%3,953,804
May 4, 2026$175.73$178.12$163.29$168.78-5.66%3,812,379
Apr 27, 2026$189.71$192.45$167.46$178.91-5.64%7,342,454
Apr 20, 2026$187.35$200.44$187.01$189.61-0.24%5,515,848
Apr 13, 2026$171.74$194.67$170.18$190.07+9.78%4,367,936
Apr 6, 2026$170.07$185.00$165.40$173.14+1.49%4,118,569
Mar 30, 2026$168.25$178.17$164.00$170.60+2.54%3,801,433
Mar 23, 2026$178.00$183.34$163.78$166.38-3.93%5,121,316
Mar 16, 2026$166.60$180.62$164.05$173.18+5.45%9,015,736
Mar 9, 2026$170.60$177.45$162.27$164.23-5.61%8,634,513
Mar 2, 2026$184.59$189.35$168.01$174.00-8.47%5,816,497
Feb 23, 2026$186.27$190.93$175.35$190.10+0.04%6,134,447
Feb 17, 2026$185.91$192.69$185.51$190.02+1.74%4,181,095
Feb 9, 2026$188.00$199.06$181.09$186.77-0.44%8,541,199
Feb 2, 2026$162.83$188.67$154.83$187.60+15.07%9,869,912
Jan 26, 2026$168.80$168.80$160.66$163.03-3.38%3,734,719
Jan 20, 2026$167.28$172.36$164.44$168.73-1.61%3,219,801
Jan 12, 2026$173.36$174.67$167.40$171.49-0.75%4,892,708
Jan 5, 2026$155.08$173.04$154.79$172.79+10.74%4,860,987
Dec 29, 2025$157.95$159.16$154.62$156.03-1.48%2,718,851
Dec 22, 2025$158.69$160.11$154.98$158.37+0.43%2,943,992
Dec 15, 2025$166.49$167.02$156.47$157.69-4.68%7,351,542
Dec 8, 2025$157.34$166.83$156.66$165.43+5.23%6,793,287
Dec 1, 2025$145.10$159.50$144.00$157.21+6.81%8,133,262
Nov 24, 2025$142.00$152.99$139.13$147.19+3.25%11,137,361
Nov 17, 2025$135.52$143.46$130.23$142.56+3.96%6,284,687
Nov 10, 2025$136.47$145.25$134.02$137.13+1.70%5,350,012
Nov 3, 2025$137.58$138.69$131.90$134.84-2.20%5,411,440

Seasonality

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average3.3%4.2%-3.1%2.6%1.9%2.3%0.3%-0.4%-3.7%-0.4%7.9%2.9%
Months up5 of 108 of 104 of 106 of 104 of 106 of 107 of 106 of 104 of 105 of 108 of 96 of 9
20264.4%16.6%-9.8%2.7%-0.6%-3.6%0.3%-5.5%-9.0%3.1%
20255.1%-14.6%-15.1%9.1%4.4%4.6%-31.9%10.0%-11.8%10.1%6.8%6.1%
2024-2.4%13.1%8.4%-13.9%-8.9%-6.1%-4.0%2.3%7.2%-19.4%13.5%-10.4%
202327.9%14.7%8.0%-2.6%-13.1%25.1%6.9%-2.1%-17.5%-39.5%15.8%28.2%
2022-24.7%3.3%-14.8%-33.5%-4.2%-14.8%18.7%-13.3%-15.0%-6.2%1.2%7.2%
2021-1.7%7.9%-4.5%10.0%-0.9%3.5%13.9%1.9%-6.1%-6.2%-2.1%7.5%
2020-7.9%-15.1%-20.3%23.5%14.3%11.7%7.1%1.1%10.2%30.2%13.0%11.0%
201918.9%4.0%9.8%14.2%-12.4%-3.7%-23.6%-12.4%-1.2%39.4%9.9%0.6%
201817.9%0.2%-4.3%-0.5%32.9%3.1%4.2%8.4%1.2%-43.5%3.9%-8.9%
2017-4.6%12.1%11.6%17.4%7.9%3.4%11.4%5.7%5.4%28.3%9.2%-14.8%