Dark

BIOY
GraniteShares YieldBOOST Biotech ETF
stock NASDAQ ETF

At Close

0.00USD0.000%(0.00)738

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD0.000%(0.00)0

After-hours

0.00USD0.000%(0.00)0

Overview HistoricalDark Pool LevelsShortsTrends

BIOY Volume Oct 2, 2026

[NF]

Exchange	Day%	Volume	30D%
Nasdaq GSM	80.14	589	17.48
Off Exchange¹	19.86	146	73.25
NYSE Arca	0.00	0	4.45
Cboe EDGX	0.00	0	3.17
MEMX	0.00	0	0.79
MIAX Pearl	0.00	0	0.37
Cboe BZX	0.00	0	0.16
NYSE	0.00	0	0.16
IEX	0.00	0	0.08
NYSE National	0.00	0	0.08
Cboe BYX	0.00	0	0.01

chartexchange.com

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

BIOY Nutrition Facts

0.35 servings per container

Serving size

2.13K

Calories

735.00

% Day

% Avg

Nasdaq GSM 589

80.14%

17.48%

Off Exchange¹ 146

19.86%

73.25%

NYSE Arca 0

0.00%

4.45%

Cboe EDGX 0

0.00%

3.17%

MEMX 0

0.00%

0.79%

MIAX Pearl 0

0.00%

0.37%

Cboe BZX 0

0.00%

0.16%

NYSE 0

0.00%

0.16%

IEX 0

0.00%

0.08%

NYSE National 0

0.00%

0.08%

Cboe BYX 0

0.00%

0.01%

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

chartexchange.com

BIOY Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 146, which is 19.86% of today's total volume.
Today's Lit volume is 589, which is 80.14%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 73.25%.
The average Lit volume has been 26.75%.

BIOY Volume by Exchange

Nasdaq GSM

Off Exchange

NYSE Arca

MEMX

Cboe EDGX

IEX

Cboe BZX

Cboe BYX

NYSE National

MIAX Pearl

NYSE