Dark

RIO
Rio Tinto plc
stock NYSE ADR

At Close

Sep 25, 2026 3:59:51 PM EDT

94.54USD+0.079%(+0.07)2,132,498

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 25, 2026 9:27:30 AM EDT

93.88USD-0.625%(-0.59)21,390

After-hours

Sep 25, 2026 4:10:30 PM EDT

94.56USD+0.016%(+0.02)1

OverviewOptionsHistoricalExchange VolumeShortsMore

RIO Volume Sep 25, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	45.45	968,675	44.53
Nasdaq GSM	19.19	408,948	17.13
NYSE	13.85	295,112	16.67
NYSE Arca	8.05	171,566	6.82
Cboe BZX	4.46	95,003	4.25
IEX	3.87	82,413	4.96
Cboe EDGX	2.14	45,649	2.25
MEMX	0.77	16,308	1.18
Cboe BYX	0.70	14,847	0.56
Cboe EDGA	0.48	10,198	0.45
MIAX Pearl	0.27	5,742	0.26
Nasdaq BX	0.19	3,967	0.18
NYSE National	0.16	3,395	0.18
NYSE American	0.15	3,204	0.18
CHX	0.13	2,716	0.22
Nasdaq PHLX	0.10	2,171	0.14
Texas Stock Exchange LLC	0.04	835	0.02
24X National	0.02	413	0.01

chartexchange.com

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

RIO Nutrition Facts

1.08 servings per container

Serving size

1.98M

Calories

2.13M

% Day

% Avg

Off Exchange¹ 969K

45.45%

44.53%

Nasdaq GSM 409K

19.19%

17.13%

NYSE 295K

13.85%

16.67%

NYSE Arca 172K

8.05%

6.82%

Cboe BZX 95K

4.46%

4.25%

IEX 82K

3.87%

4.96%

Cboe EDGX 46K

2.14%

2.25%

MEMX 16K

0.77%

1.18%

Cboe BYX 15K

0.70%

0.56%

Cboe EDGA 10K

0.48%

0.45%

MIAX Pearl 6K

0.27%

0.26%

Nasdaq BX 4K

0.19%

0.18%

NYSE National 3K

0.16%

0.18%

NYSE American 3K

0.15%

0.18%

CHX 3K

0.13%

0.22%

Nasdaq PHLX 2K

0.10%

0.14%

Texas Stock Exchange LLC 835

0.04%

0.02%

24X National 413

0.02%

0.01%

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

chartexchange.com

RIO Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 968,675, which is 45.45% of today's total volume.
Today's Lit volume is 1,162,487, which is 54.55%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.53%.
The average Lit volume has been 55.47%.

RIO Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE

NYSE Arca

Cboe BZX

IEX

Cboe EDGX

MEMX

Cboe BYX

Cboe EDGA

MIAX Pearl