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Smart Investors Daily
DY

NASDAQ · DYN

Dyne Therapeutics, Inc.

Healthcare · Biotechnology

$17.11

Up+$0.34 (+1.96%)

Updated Sep 21, 2026, 2:51 PM

SID Score

4.0/10

Composite research score

Smart Money

58/100

Neutral

Market cap
2.77B
P/E ratio
-5.35
Dividend yield
0.00%
52-week range
$14.96 – $27.31
Volume
4.85M
Avg. volume
2.94M

Price performance

DYN price history

1M range · 19 trading sessions · Daily adjusted prices

DYN closed at $17.11 after 19 trading sessions, down 34.17% for the selected period.

Last close
$17.11
Period change
-34.17%
Period low
$17.11
Period high
$26.36
Daily close
View OHLC price history
DYN OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Sep 18, 2026$18.07$18.15$16.96$17.114.85M
Sep 17, 2026$17.90$18.105$17.62$18.062.85M
Sep 16, 2026$18.37$18.37$17.09$17.3052.16M
Sep 15, 2026$18.52$18.62$17.87$17.903.03M
Sep 14, 2026$18.40$19.145$18.265$18.523.2M
Sep 11, 2026$18.59$18.74$17.94$18.213.77M
Sep 10, 2026$19.025$19.025$17.93$18.424.71M
Sep 9, 2026$19.38$20.16$18.97$19.195.14M
Sep 8, 2026$17.08$20.91$17.002$20.3117.17M
Sep 4, 2026$24.59$24.70$24.14$24.281.59M
Sep 3, 2026$25.26$25.39$24.60$24.951.45M
Sep 2, 2026$25.55$26.18$24.92$25.142.18M
Sep 1, 2026$24.99$25.40$24.72$25.101.63M
Aug 31, 2026$24.92$25.65$24.58$25.432.77M
Aug 28, 2026$25.82$25.98$24.83$25.071.19M
Aug 27, 2026$26.29$26.49$25.975$26.091.02M
Aug 26, 2026$26.32$26.474$25.78$26.361.53M
Aug 25, 2026$26.28$26.69$25.965$26.341.46M
Aug 24, 2026$26.13$26.135$25.14$25.991.37M

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