Dark

BIS
ProShares UltraShort NASDAQ Biotechnology
stock NASDAQ ETF

At Close

Oct 2, 2026

11.71USD+0.640%(+0.07)4,507

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-11.64)0

After-hours

Oct 2, 2026 4:08:30 PM EDT

11.73USD0.000%(+11.73)460

OverviewOptionsHistoricalExchange VolumeShortsMore

BIS Volume Oct 2, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	63.42	2,852	42.82
Cboe EDGX	12.81	576	14.68
Nasdaq BX	6.67	300	1.55
Cboe BZX	6.56	295	3.80
Nasdaq GSM	5.65	254	17.50
NYSE National	4.45	200	1.95
NYSE Arca	0.29	13	6.82
MEMX	0.16	7	3.58
MIAX Pearl	0.00	0	0.13
24X National	0.00	0	0.04
Nasdaq PHLX	0.00	0	0.13
CHX	0.00	0	0.13
Cboe BYX	0.00	0	1.52
Texas Stock Exchange LLC	0.00	0	0.30
Cboe EDGA	0.00	0	1.17
NYSE	0.00	0	1.21
IEX	0.00	0	2.67
NYSE American	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.

BIS Nutrition Facts

0.56 servings per container

Serving size

8.05K

Calories

4.50K

% Day

% Avg

Off Exchange¹ 3K

63.42%

42.82%

Cboe EDGX 576

12.81%

14.68%

Nasdaq BX 300

6.67%

1.55%

Cboe BZX 295

6.56%

3.80%

Nasdaq GSM 254

5.65%

17.50%

NYSE National 200

4.45%

1.95%

NYSE Arca 13

0.29%

6.82%

MEMX 7

0.16%

3.58%

MIAX Pearl 0

0.00%

0.13%

24X National 0

0.00%

0.04%

Nasdaq PHLX 0

0.00%

0.13%

CHX 0

0.00%

0.13%

Cboe BYX 0

0.00%

1.52%

Texas Stock Exchange LLC 0

0.00%

0.30%

Cboe EDGA 0

0.00%

1.17%

NYSE 0

0.00%

1.21%

IEX 0

0.00%

2.67%

NYSE American 0

0.00%

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

chartexchange.com

BIS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 2,852, which is 63.42% of today's total volume.
Today's Lit volume is 1,645, which is 36.58%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.82%.
The average Lit volume has been 57.18%.

BIS Volume by Exchange

Off Exchange

Cboe EDGX

Nasdaq BX

Cboe BZX

Nasdaq GSM

NYSE National

NYSE Arca

MEMX

Cboe BYX

Cboe EDGA

IEX