Daily trading records

Allegro MicroSystems Historical Stock Prices by Trading Day

Allegro MicroSystems daily open, high, low, close, volume and prior-session pri…

Direct answer

Review 60 recent trading days for Allegro MicroSystems.

The verified trading-day record runs from May 28, 2026 through August 21, 2026.
Select a date to review its open, high, low, close, volume and change from the prior session.
Daily aggregate prices are provided by Polygon.

Get free Allegro MicroSystems email updates.

Bullstory sends one daily email when new analysis or important company news is available.

Review Allegro MicroSystems's price trend and period performance.

The chart connects verified session closes from May 27, 2026 through August 21, 2026.

Closing-price trend by trading session

Period performance is calculated from verified trading sessions.

5-session performance

-16.29%

From the August 14, 2026 close of $44.39 to $37.16 on August 21, 2026.

20-session performance

-19.27%

From the July 24, 2026 close of $46.03 to $37.16 on August 21, 2026.

60-session performance

-24.16%

From the May 27, 2026 close of $49.00 to $37.16 on August 21, 2026.

Allegro MicroSystems Historical prices
Historical pricesOpenHighLowCloseVolumePrior-close change
$37.625$37.975$36.49$37.162,342,463-$0.03 (-0.08%)
$38.21$38.79$36.61$37.192,220,606-$1.16 (-3.02%)
$40.00$40.30$37.49$38.352,503,498-$1.04 (-2.64%)
$42.54$43.05$39.335$39.392,581,559-$4.86 (-10.98%)
$45.32$46.58$44.025$44.251,537,993-$0.14 (-0.32%)
$44.06$45.01$43.53$44.39982,467+$0.26 (+0.59%)
$42.78$45.67$42.59$44.132,164,637+$1.66 (+3.91%)
$44.57$44.57$42.36$42.471,088,604-$0.05 (-0.12%)
$43.47$44.05$42.31$42.521,126,756+$0.06 (+0.14%)
$44.39$44.87$42.37$42.461,733,189-$1.31 (-2.99%)
$43.80$44.50$42.72$43.771,607,411+$1.315 (+3.10%)
$40.84$44.0499$40.20$42.4551,828,389+$0.655 (+1.57%)
$42.02$43.56$41.61$41.801,727,281-$1.05 (-2.45%)
$44.00$44.49$42.19$42.852,726,509+$1.33 (+3.20%)
$39.69$42.095$38.60$41.522,506,157+$0.02 (+0.05%)
$42.27$43.35$40.755$41.503,763,889+$0.05 (+0.12%)
$42.31$42.92$38.15$41.456,154,389-$0.76 (-1.80%)
$43.70$44.94$41.77$42.213,310,101-$2.31 (-5.19%)
$43.50$44.725$42.005$44.522,323,152-$2.28 (-4.87%)
$46.96$47.62$44.01$46.802,383,742+$0.77 (+1.67%)
$50.00$50.00$45.565$46.031,574,231-$4.04 (-8.07%)
$49.12$51.88$49.02$50.073,114,452+$0.20 (+0.40%)
$47.84$50.645$47.84$49.871,190,183+$0.52 (+1.05%)
$49.25$49.96$47.70$49.351,292,635+$2.99 (+6.45%)
$46.29$48.50$46.00$46.361,928,359-$0.12 (-0.26%)
$44.28$48.07$44.13$46.481,588,969-$0.64 (-1.36%)
$48.00$48.86$46.46$47.121,994,670-$2.91 (-5.82%)
$53.10$53.35$47.96$50.032,018,135-$2.29 (-4.38%)
$54.21$54.40$51.19$52.321,817,740+$1.465 (+2.88%)
$52.21$52.625$50.155$50.8551,561,218-$4.015 (-7.32%)
$55.99$56.00$53.4836$54.872,326,645-$2.51 (-4.37%)
$54.40$58.48$54.40$57.384,709,880+$5.915 (+11.49%)
$51.06$52.515$49.605$51.4653,470,378-$0.085 (-0.16%)
$52.97$53.76$50.47$51.553,846,176-$5.01 (-8.86%)
$57.07$61.9999$56.00$56.564,571,608+$1.075 (+1.94%)
$63.38$63.775$52.88$55.4854,702,925-$7.715 (-12.21%)
$66.845$67.90$63.16$63.203,843,551-$6.42 (-9.22%)
$66.10$71.77$64.8009$69.624,379,517+$3.25 (+4.90%)
$58.02$67.41$57.30$66.376,986,540+$8.48 (+14.65%)
$57.344$60.385$56.50$57.8912,165,473-$2.27 (-3.77%)
$58.41$60.80$55.65$60.163,606,004+$4.74 (+8.55%)
$55.73$56.79$54.18$55.422,614,880-$0.10 (-0.18%)
$56.80$58.46$55.49$55.523,406,712-$6.06 (-9.84%)
$61.675$61.675$58.13$61.583,463,978+$2.58 (+4.37%)
$57.20$59.555$56.2901$59.004,705,453+$5.02 (+9.30%)
$55.44$57.88$53.25$53.984,039,725+$0.69 (+1.29%)
$54.91$58.13$53.255$53.293,534,583-$1.71 (-3.11%)
$52.805$55.45$52.53$55.002,663,057+$4.595 (+9.12%)
$47.96$50.46$47.47$50.4051,621,894+$2.445 (+5.10%)
$45.88$47.98$45.45$47.961,424,765+$3.42 (+7.68%)
$45.68$47.05$44.00$44.541,598,880-$2.09 (-4.48%)
$49.22$50.00$43.27$46.631,810,984-$1.56 (-3.24%)
$47.87$48.24$46.43$48.192,070,514+$1.80 (+3.88%)
$51.50$51.75$46.10$46.392,137,387-$7.23 (-13.48%)
$51.02$54.40$50.00$53.622,090,763+$0.51 (+0.96%)
$50.33$54.10$49.02$53.112,881,801+$2.78 (+5.52%)
$48.64$50.74$48.40$50.332,339,429+$3.20 (+6.79%)
$47.225$47.59$46.01$47.132,144,397-$0.74 (-1.55%)
$51.26$52.80$47.36$47.873,650,882-$3.23 (-6.32%)
$49.57$51.225$47.78$51.102,037,038+$2.10 (+4.29%)

Verified data

Trading days shown
60
Coverage start
May 28, 2026
Coverage end
August 21, 2026
Display currency
USD
Market data provider
Polygon

Explore related company data

Return to the Allegro MicroSystems company profile.Review Allegro MicroSystems valuation and profitability metrics.Review Allegro MicroSystems analyst price targets.

Read the frequently asked questions.

What is Allegro MicroSystems's latest verified closing price?

Allegro MicroSystems closed at $37.16 on August 21, 2026.

What period does Allegro MicroSystems's price history cover?

The page shows 60 verified sessions from May 28, 2026 through August 21, 2026.

What data is included in Allegro MicroSystems's daily price history?

Each row includes the open, high, low, close, volume and change from the prior close.

Does Allegro MicroSystems's price history include market holidays?

The table contains only verified trading sessions and does not create prices for market holidays.

What is the source for Allegro MicroSystems's daily prices?

Daily aggregate prices are provided by Polygon.