Here are the 3 most heavily traded ASX 200 shares on Tuesday

The latest RBA interest rate hike has had a big impact on ASX trading volumes today.

The S&P/ASX 200 Index (ASX: XJO) has taken a bit of a nasty dive today, thanks in part to yet another interest rate hike from the Reserve Bank of Australia (RBA) this afternoon. After surging more than 1% yesterday, the ASX 200 has given back all of those gains, with the index currently down by a nasty 0.99% at just over 7,140 points. Ouch.

But let's not dwell too long on those sobering numbers. Instead, it's now time to check the shares currently at the top of the ASX 200's share trading volume charts, according to investing.com.

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The 3 most traded ASX 200 shares by volume this Tuesday

Pilbara Minerals Ltd (ASX: PLS)

First up this Tuesday, we have the ASX 200 lithium share Pilbara Minerals. A decent 10.75 million Pilbara shares have been bought and sold on the ASX boards so far this session. With no news out from Pilbara itself, it looks as though these volume figures could be a result of movements in the company's shares.

Indeed, Pilbara is moving today. The company dipped to $4.50 a share this morning but is now defying the market's gloom with a pleasing gain of 1.1%, lifting the company up to $4.61 a share.

South32 Ltd (ASX: S32)

Our next ASX 200 share worth a gander is the mining company South32. A notable 15.04 million South32 share shave changed hands on the share market thus far. This high volume also looks like a consequence of some notable market moves.

Unfortunately for South32 investors though, the company is joining in the ASX 200 pity party. The South32 share price is currently nursing a depressing 2% loss, putting it at $3.90. It's this sizeable sell-off that has probably resulted in the high volume numbers we are seeing here.

Paladin Energy Ltd (ASX: PDN)

Paladin Energy is our most traded share today. This ASX 200 uranium share has seen a hefty 20.4 million shares zip across the share market so far this Tuesday. Paladin has had a shaky day today as well. The company had spent most of today trading in the green, reaching as high as 71 cents a share. But the Paladin share price slipped into the red when the RBA decision was made public.

Paladin Energy shares are currently down 1.94% at 65.7 cents each. Despite some recent love from ASX brokers, it seems this volatility may be the cause of these elevated numbers on display here.

Motley Fool contributor Sebastian Bowen has no position in any of the stocks mentioned. The Motley Fool Australia's parent company Motley Fool Holdings Inc. has no position in any of the stocks mentioned. The Motley Fool Australia has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy. This article contains general investment advice only (under AFSL 400691). Authorised by Scott Phillips.

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