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PubMatic (PUBM) Stock Chart & Stock Price History

PubMatic logo
$17.55 +0.22 (+1.27%)
Closing price 09/18/2026 04:00 PM Eastern
Extended Trading
$17.55 0.00 (0.00%)
As of 09/18/2026 07:30 PM 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 Massive. Learn more.

PubMatic Stock Price Performance

The PubMatic (PUBM) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 103.36%, with a year-to-date return of 97.86%. In the past month, the stock has increased 4.59%, reflecting recent market activity.

As of the latest close, PubMatic traded at $17.55 with a market cap of $799.40 million and volume of 1.15 million shares. Five years ago, the stock traded at $27.82, representing a 36.92% decrease over that period. At the time, it had a market cap of $1.40 billion and a volume of 1.49 million shares.

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5 Day
Performance
+5.79%
1 Month
Performance
+4.59%
3 Month
Performance
+55.31%
Year-To-Date
Performance
+97.86%
1 Year
Performance
+103.36%
5 Year
Performance
-36.92%

PUBM Stock Chart for Saturday, September, 19, 2026

PubMatic Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/18/2026$17.33$17.55
+1.27%
$17.67$17.091.15 million shs$799.40 million
09/17/2026$16.85$17.33
+2.85%
$19.19$17.201.14 million shs$789.38 million
09/16/2026$16.78$16.85
+0.42%
$16.92$16.67457,017 shs$767.52 million
09/15/2026$16.59$16.78
+1.15%
$16.93$16.37638,816 shs$764.33 million
09/14/2026$16.49$16.59
+0.61%
$16.94$16.50418,922 shs$755.67 million
09/11/2026$16.23$16.49
+1.60%
$16.63$16.12686,511 shs$751.12 million
09/10/2026$16.18$16.23
+0.31%
$16.33$16.09249,591 shs$739.28 million
09/09/2026$16.29$16.18
-0.68%
$16.38$15.93472,543 shs$737.00 million
09/08/2026$16.50$16.29
-1.27%
$16.70$16.06520,440 shs$742.01 million
09/07/2026$16.50$16.50$17.00$16.42345,742 shs$751.58 million
09/04/2026$16.96$16.50
-2.71%
$17.00$16.42345,742 shs$751.58 million
09/03/2026$17.38$16.96
-2.42%
$17.88$16.78782,675 shs$772.53 million
09/02/2026$16.27$17.38
+6.82%
$17.59$16.161.15 million shs$791.66 million
09/01/2026$16.63$16.27
-2.16%
$16.44$16.15514,444 shs$741.10 million
08/31/2026$16.82$16.63
-1.13%
$16.93$16.44473,830 shs$757.50 million
08/28/2026$16.35$16.82
+2.87%
$17.48$16.39746,021 shs$766.15 million
08/27/2026$16.25$16.35
+0.62%
$16.58$16.23487,963 shs$744.74 million
08/26/2026$16.55$16.25
-1.81%
$16.55$15.64583,078 shs$740.19 million
08/25/2026$16.36$16.55
+1.16%
$16.58$16.16467,140 shs$753.85 million
08/24/2026$16.41$16.36
-0.30%
$16.89$16.33415,278 shs$745.20 million
08/21/2026$16.39$16.41
+0.12%
$16.58$16.03527,677 shs$747.48 million
08/20/2026$16.78$16.39
-2.32%
$16.75$16.30786,425 shs$746.56 million
08/19/2026$17.36$16.78
-3.34%
$17.50$16.72622,326 shs$764.33 million
08/18/2026$17.27$17.36
+0.52%
$17.58$17.15920,949 shs$790.75 million

This page (NASDAQ:PUBM) was last updated on 9/18/2026 by MarketBeat.com Staff.
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