Is AROC or TGS the better stock?

"Better" depends on your goal, and these two are not alike. AROC is the larger company by market cap ($5.53B vs $4.26B). AROC has been more active on our scanner (56 vs 20 alerts in 30 days). AROC has the smaller float (170.8M vs 752.7M), which tends to mean sharper, more volatile moves. Those are the measured differences, not a recommendation, and nothing here is investment advice.

What is the difference between AROC and TGS?

The differences that matter: they are not in the same business - AROC is natural gas transmission and TGS is natural gas transmission; they are similar in size ($5.53B vs $4.26B); they trade at very different share prices ($31.47 vs $28.46); AROC sits at 44% of its 52-week range against 52% for TGS; only AROC pays a dividend; our scanner flagged AROC 56 times in the last 30 days against 20 for TGS. Everything above is measured from the latest completed session and SEC filings.

Which of AROC and TGS is more active right now?

Right now AROC is at about 2.3x its normal volume and TGS is at about 0.9x, so AROC is the one drawing unusual attention today. Relative volume (RVOL) compares a stock's volume to its own recent average, so it reads the same way for a megacap and a microcap and is the quickest way to tell which of two similar names is actually in play.

Is this comparison data live?

Prices and % changes are anchored to the latest completed session and split-adjusted, so a reverse split never shows as a fake move. Float is estimated from SEC filings and refreshed as new filings publish.

Compare

AROC vs TGS

TheDesperateTrader.com· Side-by-side stock comparison

$AROC vs $TGS head to head: price, market cap, valuation, dividend, free float, relative volume and how actively each trades. The bigger value in the size rows is bolded. Tap either ticker for its live chart, full ownership breakdown and real-time alerts.

$AROCArchrock Inc

$TGSTransportadora de Gas del Sur S.A. ADS

$31.47

Price

$28.46

-0.3%

Day change

+0.5%

$5.53B

Market cap

$4.26B

—

P/E ratio

—

2.92%

Dividend yield

—

170.8M

Free float

752.7M

99.9%

Institutional

2.66%

1.9M

Avg volume

234K

2.3x

Rel. volume

0.9x

44% of 52w

52-week range

52% of 52w

Scanner alerts 30d

NATURAL GAS TRANSMISSION

Sector

Natural Gas Transmission

AROC vs TGS: the quick read

·AROC is the larger company by market cap ($5.53B vs $4.26B).
·AROC has been more active on our scanner (56 vs 20 alerts in 30 days).
·AROC has the smaller float (170.8M vs 752.7M), which tends to mean sharper, more volatile moves.
·These sit in different industries (NATURAL GAS TRANSMISSION vs Natural Gas Transmission), so they answer to different catalysts and a move in one says little about the other.
·Both stay busy on our scanner, 56 and 20 unusual-volume alerts over 30 days, so neither is the quiet one here.
·They are closely matched in size, within 30% of each other on market cap, which makes the rest of this table the interesting part.
·AROC pays a dividend and TGS does not, which usually means one is being held for income and the other for the move.
·AROC is the one in play today, trading about 2.3x its normal volume, which is what puts a name on our scanner in the first place.

Objective differences only. Not investment advice.

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Frequently asked questions

Everything you need to know comparing AROC and TGS on TheDesperateTrader.

Is AROC or TGS the better stock?: "Better" depends on your goal, and these two are not alike. AROC is the larger company by market cap ($5.53B vs $4.26B). AROC has been more active on our scanner (56 vs 20 alerts in 30 days). AROC has the smaller float (170.8M vs 752.7M), which tends to mean sharper, more volatile moves. Those are the measured differences, not a recommendation, and nothing here is investment advice.
What is the difference between AROC and TGS?: The differences that matter: they are not in the same business - AROC is natural gas transmission and TGS is natural gas transmission; they are similar in size ($5.53B vs $4.26B); they trade at very different share prices ($31.47 vs $28.46); AROC sits at 44% of its 52-week range against 52% for TGS; only AROC pays a dividend; our scanner flagged AROC 56 times in the last 30 days against 20 for TGS. Everything above is measured from the latest completed session and SEC filings.
Which of AROC and TGS is more active right now?: Right now AROC is at about 2.3x its normal volume and TGS is at about 0.9x, so AROC is the one drawing unusual attention today. Relative volume (RVOL) compares a stock's volume to its own recent average, so it reads the same way for a megacap and a microcap and is the quickest way to tell which of two similar names is actually in play.
Is this comparison data live?: Prices and % changes are anchored to the latest completed session and split-adjusted, so a reverse split never shows as a fake move. Float is estimated from SEC filings and refreshed as new filings publish.

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