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QNTM
Quantum Biopharma Ltd. Class B Subordinate Voting Shares
stock NASDAQ

At Close

Sep 15, 2026 3:59:14 PM EDT

3.47USD+1.017%(+0.03)101,455

3.26Bid 4.02Ask 0.76Spread

Pre-market

Sep 14, 2026 8:33:30 AM EDT

3.21USD-1.231%(-0.04)0

After-hours

Sep 11, 2026 4:42:30 PM EDT

3.27USD+0.615%(+0.02)0

OverviewHistoricalExchange VolumeShortsTrends

QNTM Volume Sep 15, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	66.21	68,248	50.18
Nasdaq GSM	10.66	10,987	19.74
NYSE Arca	8.06	8,307	13.65
Cboe EDGX	6.79	7,001	8.03
MEMX	5.15	5,309	2.85
Cboe BZX	1.10	1,134	1.80
IEX	0.71	727	1.18
MIAX Pearl	0.39	406	0.52
NYSE	0.39	400	0.28
Cboe BYX	0.20	210	0.66
Nasdaq PHLX	0.19	200	0.13
Texas Stock Exchange LLC	0.10	100	0.08
Cboe EDGA	0.03	30	0.15
NYSE American	0.02	20	0.04
NYSE National	0.00	0	0.27
Nasdaq BX	0.00	0	0.26
24X National	0.00	0	0.17
LTSE	0.00	0	0.01
CHX	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.

QNTM Nutrition Facts

0.39 servings per container

Serving size

264.07K

Calories

103.08K

% Day

% Avg

Off Exchange¹ 68K

66.21%

50.18%

Nasdaq GSM 11K

10.66%

19.74%

NYSE Arca 8K

8.06%

13.65%

Cboe EDGX 7K

6.79%

8.03%

MEMX 5K

5.15%

2.85%

Cboe BZX 1K

1.10%

1.80%

IEX 727

0.71%

1.18%

MIAX Pearl 406

0.39%

0.52%

NYSE 400

0.39%

0.28%

Cboe BYX 210

0.20%

0.66%

Nasdaq PHLX 200

0.19%

0.13%

Texas Stock Exchange LLC 100

0.10%

0.08%

Cboe EDGA 30

0.03%

0.15%

NYSE American 20

0.02%

0.04%

NYSE National 0

0.00%

0.27%

Nasdaq BX 0

0.00%

0.26%

24X National 0

0.00%

0.17%

LTSE 0

0.00%

0.01%

CHX 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

QNTM Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 68,248, which is 66.21% of today's total volume.
Today's Lit volume is 34,831, which is 33.79%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 50.18%.
The average Lit volume has been 49.82%.

QNTM Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe EDGX

MEMX

Cboe BZX

IEX

MIAX Pearl

NYSE

Cboe BYX

Nasdaq PHLX