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REGN
Regeneron Pharmaceuticals Inc
stock NASDAQ

Market Open

Jul 27, 2026 11:29:03 AM EDT

675.99USD+3.046%(+19.98)224,692

640.15Bid 703.96Ask 63.81Spread

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 11:05:00 AM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	56.27	109,645	37.13
Nasdaq GSM	16.71	32,566	42.85
IEX	9.19	17,910	7.31
NYSE Arca	6.50	12,672	4.54
Cboe BZX	5.29	10,310	3.45
Cboe EDGX	2.13	4,159	1.33
NYSE	1.97	3,829	1.02
MEMX	0.84	1,646	0.57
Cboe BYX	0.59	1,143	0.49
Nasdaq BX	0.14	276	0.26
NYSE American	0.10	202	0.11
NYSE National	0.07	135	0.20
MIAX Pearl	0.06	116	0.13
Cboe EDGA	0.06	112	0.24
Nasdaq PHLX	0.04	75	0.11
CHX	0.02	43	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

0.21 servings per container

Serving size

911.31K

Calories

194.84K

% Day

% Avg

Off Exchange¹ 110K

56.27%

37.13%

Nasdaq GSM 33K

16.71%

42.85%

IEX 18K

9.19%

7.31%

NYSE Arca 13K

6.50%

4.54%

Cboe BZX 10K

5.29%

3.45%

Cboe EDGX 4K

2.13%

1.33%

NYSE 4K

1.97%

1.02%

MEMX 2K

0.84%

0.57%

Cboe BYX 1K

0.59%

0.49%

Nasdaq BX 276

0.14%

0.26%

NYSE American 202

0.10%

0.11%

NYSE National 135

0.07%

0.20%

MIAX Pearl 116

0.06%

0.13%

Cboe EDGA 112

0.06%

0.24%

Nasdaq PHLX 75

0.04%

0.11%

CHX 43

0.02%

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 109,645, which is 56.27% of today's total volume.
Today's Lit volume is 85,194, which is 43.73%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 37.13%.
The average Lit volume has been 62.87%.

REGN Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe BYX

Nasdaq BX

NYSE American