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REGN
Regeneron Pharmaceuticals Inc
stock NASDAQ

At Close

Feb 24, 2026 3:59:55 PM EST

771.93USD-1.920%(-15.11)628,622

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-787.04)0

After-hours

Feb 24, 2026 4:00:30 PM EST

772.19USD+0.034%(+0.26)14,385

OverviewOptionsHistoricalExchange VolumeShortsMore

REGN Volume Feb 24, 2026

[NF]

Exchange	Day%	Volume	30D%
Nasdaq GSM	43.17	271,305	35.29
Off Exchange¹	34.37	215,983	44.24
IEX	5.52	34,720	4.85
NYSE Arca	4.72	29,693	4.04
Cboe BZX	4.52	28,436	4.21
Cboe EDGX	2.46	15,476	2.06
MEMX	1.36	8,521	1.00
NYSE	1.27	7,958	1.47
Cboe EDGA	0.73	4,599	0.43
Cboe BYX	0.54	3,423	0.75
Nasdaq BX	0.36	2,234	0.51
Nasdaq PHLX	0.34	2,161	0.25
MIAX Pearl	0.29	1,797	0.23
NYSE National	0.23	1,469	0.24
NYSE American	0.10	632	0.09
CHX	0.01	76	0.33
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

0.74 servings per container

Serving size

843.64K

Calories

628.48K

% Day

% Avg

Nasdaq GSM 271K

43.17%

35.29%

Off Exchange¹ 216K

34.37%

44.24%

IEX 35K

5.52%

4.85%

NYSE Arca 30K

4.72%

4.04%

Cboe BZX 28K

4.52%

4.21%

Cboe EDGX 15K

2.46%

2.06%

MEMX 9K

1.36%

1.00%

NYSE 8K

1.27%

1.47%

Cboe EDGA 5K

0.73%

0.43%

Cboe BYX 3K

0.54%

0.75%

Nasdaq BX 2K

0.36%

0.51%

Nasdaq PHLX 2K

0.34%

0.25%

MIAX Pearl 2K

0.29%

0.23%

NYSE National 1K

0.23%

0.24%

NYSE American 632

0.10%

0.09%

CHX 76

0.01%

0.33%

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 215,983, which is 34.37% of today's total volume.
Today's Lit volume is 412,500, which is 65.63%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.24%.
The average Lit volume has been 55.76%.

REGN Volume by Exchange

Nasdaq GSM

Off Exchange

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

MEMX

NYSE

Cboe EDGA

Cboe BYX

Nasdaq BX