Daily trading records

Atrium Therapeutics Historical Stock Prices by Trading Day

Direct answer

Review 60 recent trading days for Atrium Therapeutics.

The verified trading-day record runs from June 26, 2026 through September 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.

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Review Atrium Therapeutics's price trend and period performance.

The chart connects verified session closes from June 25, 2026 through September 21, 2026.

Closing-price trend by trading session

Period performance is calculated from verified trading sessions.

5-session performance

-9.99%

From the September 14, 2026 close of $10.21 to $9.19 on September 21, 2026.

20-session performance

-30.38%

From the August 21, 2026 close of $13.20 to $9.19 on September 21, 2026.

60-session performance

-28.09%

From the June 25, 2026 close of $12.78 to $9.19 on September 21, 2026.

Atrium Therapeutics Historical prices
Historical pricesOpenHighLowCloseVolumePrior-close change
$8.97$9.34$8.9425$9.19481,267+$0.24 (+2.68%)
$9.57$9.665$8.66$8.951,036,991-$0.61 (-6.38%)
$9.65$9.695$9.435$9.56569,619+$0.06 (+0.63%)
$10.11$10.11$9.50$9.50356,436-$0.59 (-5.85%)
$10.21$10.21$9.62$10.09274,581-$0.12 (-1.18%)
$10.37$10.71$10.15$10.21255,715-$0.15 (-1.45%)
$10.37$10.41$10.0041$10.36247,500+$0.01 (+0.10%)
$10.44$10.74$10.28$10.35421,629-$0.16 (-1.52%)
$11.20$11.20$10.34$10.51690,444-$0.84 (-7.40%)
$14.08$14.19$10.75$11.351,722,578-$2.84 (-20.01%)
$14.51$14.65$14.01$14.19167,785-$0.41 (-2.81%)
$14.19$14.68$13.99$14.60164,906+$0.54 (+3.84%)
$13.77$14.098$13.76$14.06111,641+$0.29 (+2.11%)
$13.24$13.92$13.20$13.77178,706+$0.45 (+3.38%)
$13.53$13.55$13.10$13.3297,049-$0.32 (-2.35%)
$13.87$13.9508$13.51$13.64108,637-$0.34 (-2.43%)
$13.78$14.09$13.5916$13.98120,562+$0.13 (+0.94%)
$13.93$14.07$13.66$13.85179,350-$0.15 (-1.07%)
$13.72$14.05$13.41$14.00166,579+$0.38 (+2.79%)
$13.27$13.635$13.04$13.62140,556+$0.42 (+3.18%)
$13.53$13.59$12.96$13.20180,677-$0.28 (-2.08%)
$13.75$13.875$13.20$13.48218,806-$0.23 (-1.68%)
$13.00$13.72$12.85$13.71360,317+$0.87 (+6.78%)
$12.91$12.96$12.72$12.84107,918-$0.12 (-0.93%)
$12.78$13.345$12.78$12.96212,552+$0.12 (+0.93%)
$12.21$12.97$12.08$12.84176,080+$0.51 (+4.14%)
$12.21$12.46$12.0301$12.33127,137+$0.16 (+1.31%)
$12.27$12.35$12.06$12.1784,175-$0.10 (-0.81%)
$12.25$12.44$12.195$12.2784,252+$0.03 (+0.25%)
$12.25$12.44$12.20$12.24108,984-$0.10 (-0.81%)
$12.15$12.485$12.145$12.34103,286+$0.23 (+1.90%)
$11.96$12.31$11.875$12.11193,102+$0.37 (+3.15%)
$11.53$11.99$11.46$11.74171,864+$0.20 (+1.73%)
$11.40$11.74$11.35$11.54137,005+$0.21 (+1.85%)
$11.45$11.525$11.30$11.3391,505-$0.02 (-0.18%)
$11.44$11.54$11.20$11.35116,294-$0.11 (-0.96%)
$11.19$11.5475$11.19$11.4691,838+$0.28 (+2.50%)
$11.46$11.46$11.13$11.18119,407-$0.31 (-2.70%)
$11.59$11.625$11.355$11.4991,975-$0.08 (-0.69%)
$11.61$11.80$11.46$11.5782,817+$0.08 (+0.70%)
$11.98$11.98$11.48$11.49120,944-$0.42 (-3.53%)
$12.00$12.14$11.78$11.91101,292-$0.26 (-2.14%)
$12.28$12.35$12.09$12.1799,942-$0.12 (-0.98%)
$11.73$12.35$11.61$12.29181,993+$0.53 (+4.51%)
$12.14$12.15$11.75$11.76186,122-$0.39 (-3.21%)
$12.01$12.30$11.9675$12.15122,261-$0.01 (-0.08%)
$12.29$12.29$11.93$12.16182,681-$0.14 (-1.14%)
$12.26$12.40$12.05$12.3088,791+$0.08 (+0.65%)
$12.26$12.47$12.05$12.22205,804$0.00 (0.00%)
$12.40$12.59$12.21$12.22178,885-$0.24 (-1.93%)
$12.87$12.87$12.20$12.46319,921-$0.45 (-3.49%)
$13.40$13.44$12.75$12.91239,511-$0.46 (-3.44%)
$13.07$13.38$12.86$13.37203,176+$0.13 (+0.98%)
$13.14$13.36$12.95$13.24257,321+$0.23 (+1.77%)
$13.60$13.61$12.755$13.01206,744-$0.64 (-4.69%)
$13.40$13.715$13.20$13.65196,856+$0.35 (+2.63%)
$13.43$13.80$13.26$13.30150,363-$0.15 (-1.12%)
$13.67$13.80$13.22$13.45316,750-$0.20 (-1.47%)
$13.20$13.80$13.20$13.65382,171+$0.46 (+3.49%)
$12.78$13.20$12.72$13.19758,712+$0.41 (+3.21%)

Verified data

Trading days shown
60
Coverage start
June 26, 2026
Coverage end
September 21, 2026
Display currency
USD
Market data provider
Polygon

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Read the frequently asked questions.

What is Atrium Therapeutics's latest verified closing price?

Atrium Therapeutics closed at $9.19 on September 21, 2026.

What period does Atrium Therapeutics's price history cover?

The page shows 60 verified sessions from June 26, 2026 through September 21, 2026.

What data is included in Atrium Therapeutics's daily price history?

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

Does Atrium Therapeutics'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 Atrium Therapeutics's daily prices?

Daily aggregate prices are provided by Polygon.