Dark

REGN
Regeneron Pharmaceuticals Inc
stock NASDAQ

Market Open

Jul 27, 2026 1:30:35 PM EDT

672.11USD+2.454%(+16.10)315,701

640.15Bid 672.32Ask 32.17Spread

Pre-market

Jul 27, 2026 8:57:30 AM EDT

661.71USD+0.869%(+5.70)28,538

After-hours

Jul 24, 2026 4:50:30 PM EDT

656.01USD+0.030%(+0.19)0

OverviewOptionsHistoricalDark Pool LevelsShortsMore

REGN Volume Jul 27, 2026 1:04:59 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	52.82	160,319	37.17
Nasdaq GSM	17.65	53,563	42.76
IEX	10.60	32,183	7.33
NYSE Arca	6.88	20,875	4.55
Cboe BZX	6.20	18,824	3.47
NYSE	2.09	6,353	1.02
Cboe EDGX	1.84	5,589	1.33
MEMX	0.94	2,865	0.58
Cboe BYX	0.53	1,602	0.49
Nasdaq BX	0.11	344	0.26
Cboe EDGA	0.08	233	0.24
NYSE American	0.07	217	0.10
NYSE National	0.06	193	0.20
MIAX Pearl	0.06	174	0.13
Nasdaq PHLX	0.03	81	0.11
CHX	0.03	81	0.23
24X National	0.00	0	0.01
LTSE	0.00	0	0.00

chartexchange.com

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

REGN Nutrition Facts

0.33 servings per container

Serving size

911.31K

Calories

303.50K

% Day

% Avg

Off Exchange¹ 160K

52.82%

37.17%

Nasdaq GSM 54K

17.65%

42.76%

IEX 32K

10.60%

7.33%

NYSE Arca 21K

6.88%

4.55%

Cboe BZX 19K

6.20%

3.47%

NYSE 6K

2.09%

1.02%

Cboe EDGX 6K

1.84%

1.33%

MEMX 3K

0.94%

0.58%

Cboe BYX 2K

0.53%

0.49%

Nasdaq BX 344

0.11%

0.26%

Cboe EDGA 233

0.08%

0.24%

NYSE American 217

0.07%

0.10%

NYSE National 193

0.06%

0.20%

MIAX Pearl 174

0.06%

0.13%

Nasdaq PHLX 81

0.03%

0.11%

CHX 81

0.03%

0.23%

24X National 0

0.00%

0.01%

LTSE 0

0.00%

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

chartexchange.com

REGN Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 160,319, which is 52.82% of today's total volume.
Today's Lit volume is 143,177, which is 47.18%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 37.17%.
The average Lit volume has been 62.83%.

REGN Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

NYSE

Cboe EDGX

MEMX

Cboe BYX

Nasdaq BX

Cboe EDGA