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Quantum-Si (QSI) Stock Chart & Stock Price History

Quantum-Si logo
$1.16 +0.02 (+1.75%)
Closing price 05/1/2025 04:00 PM Eastern
Extended Trading
$1.18 +0.02 (+1.29%)
As of 05:02 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

Quantum-Si Stock Price Performance

5 Day
Performance
-5.69%
1 Month
Performance
-5.69%
3 Month
Performance
-41.41%
6 Month
Performance
+51.00%
Year-To-Date
Performance
-57.04%
1 Year
Performance
-34.09%
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QSI Stock Chart for Friday, May, 2, 2025

Quantum-Si Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
05/01/2025$1.14$1.16
+1.75%
$1.17$1.122.09 million shs$212.44 million
04/30/2025$1.18$1.14
-3.39%
$1.15$1.102.87 million shs$208.78 million
04/29/2025$1.21$1.18
-2.48%
$1.23$1.182.56 million shs$216.11 million
04/28/2025$1.23$1.21
-1.63%
$1.27$1.172.64 million shs$221.60 million
04/25/2025$1.22$1.23
+0.82%
$1.25$1.193.20 million shs$225.26 million
04/24/2025$1.17$1.22
+4.27%
$1.24$1.182.80 million shs$223.43 million
04/23/2025$1.13$1.17
+3.54%
$1.24$1.153.39 million shs$214.27 million
04/22/2025$1.09$1.13
+3.67%
$1.15$1.101.83 million shs$206.95 million
04/21/2025$1.15$1.09
-5.22%
$1.13$1.081.71 million shs$199.62 million
04/18/2025$1.15$1.15$1.18$1.121.63 million shs$210.61 million
04/17/2025$1.16$1.15
-0.86%
$1.18$1.121.63 million shs$210.61 million
04/16/2025$1.23$1.16
-5.69%
$1.22$1.112.14 million shs$212.44 million
04/15/2025$1.23$1.23$1.26$1.211.74 million shs$225.26 million
04/14/2025$1.25$1.23
-1.60%
$1.31$1.213.07 million shs$225.26 million
04/11/2025$1.17$1.25
+6.84%
$1.25$1.162.25 million shs$228.93 million
04/10/2025$1.23$1.17
-4.88%
$1.21$1.132.94 million shs$214.27 million
04/09/2025$1.08$1.23
+13.89%
$1.27$1.055.54 million shs$225.26 million
04/09/2025$1.08$1.23
+13.89%
$1.27$1.055.54 million shs$225.26 million
04/08/2025$1.14$1.08
-5.26%
$1.22$1.064.48 million shs$197.79 million
04/08/2025$1.14$1.08
-5.26%
$1.22$1.064.48 million shs$197.79 million
04/07/2025$1.13$1.14
+0.88%
$1.18$1.024.22 million shs$208.78 million
04/04/2025$1.16$1.13
-2.59%
$1.13$1.034.90 million shs$206.95 million
04/03/2025$1.23$1.16
-5.69%
$1.19$1.153.26 million shs$212.44 million
04/02/2025$1.20$1.23
+2.50%
$1.25$1.162.88 million shs$225.26 million
04/01/2025$1.20$1.20$1.22$1.153.25 million shs$219.77 million

This page (NASDAQ:QSI) was last updated on 5/2/2025 by MarketBeat.com Staff
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