Daily trading records
Keystone Acquisition Historical Stock Prices by Trading Day
Direct answer
Review 44 recent trading days for Keystone Acquisition.
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Review Keystone Acquisition's price trend and period performance.
The chart connects verified session closes from June 22, 2026 through September 14, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+0.15%
From the August 31, 2026 close of $9.895 to $9.91 on September 14, 2026.
20-session performance
+0.30%
From the July 30, 2026 close of $9.88 to $9.91 on September 14, 2026.
Verified data
- Trading days shown
- 44
- Coverage start
- June 22, 2026
- Coverage end
- September 14, 2026
- Display currency
- USD
- Market data provider
- Polygon
Explore related company data
Read the frequently asked questions.
What is Keystone Acquisition's latest verified closing price?
Keystone Acquisition closed at $9.91 on September 14, 2026.
What period does Keystone Acquisition's price history cover?
The page shows 44 verified sessions from June 22, 2026 through September 14, 2026.
What data is included in Keystone Acquisition's daily price history?
Each row includes the open, high, low, close, volume and change from the prior close.
Does Keystone Acquisition'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 Keystone Acquisition's daily prices?
Daily aggregate prices are provided by Polygon.