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DYN
Dyne Therapeutics, Inc. Common Stock
stock NASDAQ

At Close

Sep 29, 2026 3:59:58 PM EDT

16.22USD-0.734%(-0.12)2,286,887

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 28, 2026 9:28:30 AM EDT

15.95USD-2.387%(-0.39)0

After-hours

Sep 29, 2026 4:49:30 PM EDT

16.55USD+2.035%(+0.33)40,821

OverviewOptionsHistoricalDark Pool LevelsShortsMore

DYN Volume Sep 29, 2026

[NF]

Exchange	Day%	Volume	30D%
Nasdaq GSM	40.16	919,416	32.72
Off Exchange¹	37.93	868,299	44.91
IEX	7.09	162,353	6.12
NYSE Arca	6.09	139,471	6.19
Cboe BZX	3.13	71,644	3.30
NYSE	1.88	42,938	1.32
Cboe EDGX	1.45	33,137	2.07
Cboe BYX	0.75	17,160	0.77
MEMX	0.38	8,758	0.66
Cboe EDGA	0.33	7,625	0.58
Texas Stock Exchange LLC	0.24	5,518	0.22
Nasdaq BX	0.19	4,240	0.25
NYSE National	0.17	3,834	0.30
MIAX Pearl	0.08	1,901	0.16
CHX	0.05	1,133	0.12
NYSE American	0.04	1,002	0.14
Nasdaq PHLX	0.03	732	0.12
LTSE	0.00	0	0.02
24X National	0.00	0	0.01

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

DYN Nutrition Facts

0.79 servings per container

Serving size

2.88M

Calories

2.29M

% Day

% Avg

Nasdaq GSM 919K

40.16%

32.72%

Off Exchange¹ 868K

37.93%

44.91%

IEX 162K

7.09%

6.12%

NYSE Arca 139K

6.09%

6.19%

Cboe BZX 72K

3.13%

3.30%

NYSE 43K

1.88%

1.32%

Cboe EDGX 33K

1.45%

2.07%

Cboe BYX 17K

0.75%

0.77%

MEMX 9K

0.38%

0.66%

Cboe EDGA 8K

0.33%

0.58%

Texas Stock Exchange LLC 6K

0.24%

0.22%

Nasdaq BX 4K

0.19%

0.25%

NYSE National 4K

0.17%

0.30%

MIAX Pearl 2K

0.08%

0.16%

CHX 1K

0.05%

0.12%

NYSE American 1K

0.04%

0.14%

Nasdaq PHLX 732

0.03%

0.12%

LTSE 0

0.00%

0.02%

24X National 0

0.00%

0.01%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

DYN Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 868,299, which is 37.93% of today's total volume.
Today's Lit volume is 1,420,862, which is 62.07%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.91%.
The average Lit volume has been 55.09%.

DYN Volume by Exchange

Nasdaq GSM

Off Exchange

IEX

NYSE Arca

Cboe BZX

NYSE

Cboe EDGX

Cboe BYX

MEMX

Cboe EDGA

Texas Stock Exchange LLC