Dark

RARE
Ultragenyx Pharmaceutical Inc.
stock NASDAQ

At Close

Aug 20, 2026 3:59:56 PM EDT

25.33USD-3.487%(-0.91)3,831,319

21.80Bid 28.78Ask 6.98Spread

Pre-market

Aug 20, 2026 9:27:49 AM EDT

28.67USD+9.261%(+2.43)64,829

After-hours

Aug 20, 2026 4:32:30 PM EDT

25.46USD+0.552%(+0.14)565,605

OverviewOptionsHistoricalExchange VolumeShortsMore

RARE Volume Aug 20, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	47.23	1,809,186	40.28
Nasdaq GSM	28.46	1,090,219	38.96
NYSE Arca	8.04	308,140	5.84
Cboe EDGX	3.90	149,398	2.32
IEX	3.68	141,042	5.47
Cboe BZX	3.27	125,089	3.04
MEMX	1.53	58,764	0.80
NYSE	1.04	39,966	1.27
Cboe EDGA	0.85	32,689	0.42
Cboe BYX	0.65	25,014	0.55
MIAX Pearl	0.33	12,667	0.22
Nasdaq BX	0.23	8,904	0.18
Nasdaq PHLX	0.18	6,856	0.12
NYSE American	0.17	6,381	0.12
LTSE	0.15	5,887	0.15
NYSE National	0.15	5,816	0.13
CHX	0.09	3,491	0.09
24X National	0.03	1,260	0.02
Texas Stock Exchange LLC	0.00	0	0.03

chartexchange.com

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

RARE Nutrition Facts

2.06 servings per container

Serving size

1.86M

Calories

3.83M

% Day

% Avg

Off Exchange¹ 2M

47.23%

40.28%

Nasdaq GSM 1M

28.46%

38.96%

NYSE Arca 308K

8.04%

5.84%

Cboe EDGX 149K

3.90%

2.32%

IEX 141K

3.68%

5.47%

Cboe BZX 125K

3.27%

3.04%

MEMX 59K

1.53%

0.80%

NYSE 40K

1.04%

1.27%

Cboe EDGA 33K

0.85%

0.42%

Cboe BYX 25K

0.65%

0.55%

MIAX Pearl 13K

0.33%

0.22%

Nasdaq BX 9K

0.23%

0.18%

Nasdaq PHLX 7K

0.18%

0.12%

NYSE American 6K

0.17%

0.12%

LTSE 6K

0.15%

NYSE National 6K

0.15%

0.13%

CHX 3K

0.09%

24X National 1K

0.03%

0.02%

Texas Stock Exchange LLC 0

0.00%

0.03%

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

chartexchange.com

RARE Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 1,809,186, which is 47.23% of today's total volume.
Today's Lit volume is 2,021,583, which is 52.77%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.28%.
The average Lit volume has been 59.72%.

RARE Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe EDGX

IEX

Cboe BZX

MEMX

NYSE

Cboe EDGA

Cboe BYX

MIAX Pearl