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DYN
Dyne Therapeutics, Inc. Common Stock
stock NASDAQ

At Close

Dec 31, 2025 3:59:57 PM EST

19.55USD+1.823%(+0.35)1,433,842

0.00Bid 0.00Ask 0.00Spread

Pre-market

Dec 30, 2025 9:19:30 AM EST

19.69USD+2.552%(+0.49)0

After-hours

Dec 31, 2025 4:04:30 PM EST

19.56USD+0.051%(+0.01)8,322

OverviewOptionsHistoricalExchange VolumeShortsMore

DYN Volume Dec 31, 1969

[NF]

Exchange	Day%	Volume	30D%
Nasdaq GSM	45.29	649,338	36.05
Off Exchange¹	31.18	447,048	41.19
NYSE Arca	5.75	82,426	6.05
IEX	4.97	71,217	5.24
Cboe EDGX	3.97	56,942	2.73
Cboe BZX	3.54	50,735	3.49
NYSE	1.96	28,126	1.41
Cboe EDGA	1.16	16,652	0.73
Nasdaq BX	0.65	9,335	0.40
Cboe BYX	0.56	7,960	0.92
MEMX	0.53	7,561	0.94
NYSE National	0.13	1,887	0.30
MIAX Pearl	0.10	1,470	0.29
CHX	0.10	1,441	0.04
Nasdaq PHLX	0.08	1,078	0.16
NYSE American	0.04	626	0.09

chartexchange.com

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

DYN Nutrition Facts

0.50 servings per container

Serving size

2.89M

Calories

1.43M

% Day

% Avg

Nasdaq GSM 649K

45.29%

36.05%

Off Exchange¹ 447K

31.18%

41.19%

NYSE Arca 82K

5.75%

6.05%

IEX 71K

4.97%

5.24%

Cboe EDGX 57K

3.97%

2.73%

Cboe BZX 51K

3.54%

3.49%

NYSE 28K

1.96%

1.41%

Cboe EDGA 17K

1.16%

0.73%

Nasdaq BX 9K

0.65%

0.40%

Cboe BYX 8K

0.56%

0.92%

MEMX 8K

0.53%

0.94%

NYSE National 2K

0.13%

0.30%

MIAX Pearl 1K

0.10%

0.29%

CHX 1K

0.10%

0.04%

Nasdaq PHLX 1K

0.08%

0.16%

NYSE American 626

0.04%

0.09%

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 447,048, which is 31.18% of today's total volume.
Today's Lit volume is 986,794, which is 68.82%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 41.19%.
The average Lit volume has been 58.81%.

DYN Volume by Exchange

Nasdaq GSM

Off Exchange

NYSE Arca

IEX

Cboe EDGX

Cboe BZX

NYSE

Cboe EDGA

Nasdaq BX

Cboe BYX

MEMX