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XBI
State Street SPDR S&P Biotech ETF
stock NYSE ETF

At Close

Oct 1, 2026 3:59:59 PM EDT

154.57USD-1.972%(-3.11)11,548,679

0.00Bid 0.00Ask 0.00Spread

Pre-market

Oct 1, 2026 9:20:30 AM EDT

157.34USD-0.216%(-0.34)31,227

After-hours

Oct 1, 2026 4:59:30 PM EDT

154.90USD+0.213%(+0.33)22,206

OverviewOptionsHistoricalExchange VolumeShortsMore

XBI Volume Oct 1, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	36.20	4,189,314	36.41
NYSE Arca	24.01	2,778,443	22.60
Nasdaq GSM	18.36	2,124,948	16.67
Cboe BZX	6.19	716,628	7.06
IEX	5.24	606,292	5.42
NYSE	3.35	387,503	3.57
Cboe EDGX	2.57	297,763	3.19
MEMX	0.85	98,509	1.61
Cboe BYX	0.82	95,306	0.56
Cboe EDGA	0.61	70,344	0.66
Nasdaq BX	0.46	53,386	0.48
MIAX Pearl	0.34	39,630	0.34
CHX	0.28	32,836	0.64
Nasdaq PHLX	0.26	30,549	0.24
NYSE National	0.19	22,052	0.27
Texas Stock Exchange LLC	0.19	21,952	0.13
NYSE American	0.04	4,531	0.09
24X National	0.03	3,605	0.08
LTSE	0.00	0	0.00

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

XBI Nutrition Facts

1.30 servings per container

Serving size

8.87M

Calories

11.57M

% Day

% Avg

Off Exchange¹ 4M

36.20%

36.41%

NYSE Arca 3M

24.01%

22.60%

Nasdaq GSM 2M

18.36%

16.67%

Cboe BZX 717K

6.19%

7.06%

IEX 606K

5.24%

5.42%

NYSE 388K

3.35%

3.57%

Cboe EDGX 298K

2.57%

3.19%

MEMX 99K

0.85%

1.61%

Cboe BYX 95K

0.82%

0.56%

Cboe EDGA 70K

0.61%

0.66%

Nasdaq BX 53K

0.46%

0.48%

MIAX Pearl 40K

0.34%

CHX 33K

0.28%

0.64%

Nasdaq PHLX 31K

0.26%

0.24%

NYSE National 22K

0.19%

0.27%

Texas Stock Exchange LLC 22K

0.19%

0.13%

NYSE American 5K

0.04%

0.09%

24X National 4K

0.03%

0.08%

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

XBI Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 4,189,314, which is 36.20% of today's total volume.
Today's Lit volume is 7,384,277, which is 63.80%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 36.41%.
The average Lit volume has been 63.59%.

XBI Volume by Exchange

Off Exchange

NYSE Arca

Nasdaq GSM

Cboe BZX

IEX

NYSE

Cboe EDGX

MEMX

Cboe BYX

Cboe EDGA

Nasdaq BX