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

Medibank's resumption of trading has seen record volumes today.

Sebastian Bowen

Author Bio Sebastian Bowen has been a Motley Fool contributor since late 2018. Sebastian found his passion for writing and educating others about shares and all things finance after completing his studies in political, economic and social science and enjoys bringing this passion to life at the Fool. His investment philosophy is a simple one – buying high-quality companies at prices that make sense. When he’s not researching his next investment at all hours of the morning, Sebastian enjoys classic movies and likes to unwind with a good book, newspaper or record. Areas of Expertise Dividend investing ETFs Education Bachelor of Political, Economic, and Social Sciences (Government and International Relations), University of Sydney Social Media X/Twitter Favorite Investment Quote "In the short run, the market is a voting machine, but in the long run, it is a weighing machine." – Benjamin Graham

Published October 26, 2022 3:22 pm AEDT

It's been another day of green ink for the S&P/ASX 200 Index (ASX: XJO) this Wednesday in what is turning out to be a fairly pleasing week thus far.

At the time of writing, the ASX 200 has gained a tenuous 0.06% up to around 6,800 points. It was even better earlier in the session, but the latest inflation figures seem to have dented investors' optimism.

But let's now delve deeper into these gains by taking stock of the shares currently topping the ASX 200's trading volume charts, according to investing.com.

top written ion silver and 3 in gold. — Image source: Getty Images

The 3 most traded ASX 200 shares by volume this Wednesday

Core Lithium Ltd (ASX: CXO)

First up again today is ASX 200 lithium share Core Lithium. This Wednesday has seen a notable 25.66 million Core Lithium shares slide across to a new owner so far. We haven't seen any fresh news or announcements from the company today.

As such, we can probably put these volumes down to the movements of the Core Lithium share price itself. This lithium producer initially had a strong start this morning, rising as high as $1.53 a share. But investors have taken their feet off the accelerator this afternoon, and Core Lithium is now up by just 1.16% at $1.49 a share.

Medibank Private Ltd (ASX: MPL)

Next up is an ASX 200 share that we rarely see on this list. Medibank Private has seen a significant 65.57 million of its shares find a new home thus far. After a trading halt was imposed last week due to the publicised cyberattacks the company has been dealing with, Medibank shares returned to trading today.

And it was a dramatic event. As my Fool colleague Brooke covered earlier, Medibank has plunged by 15% upon its return to trade. No wonder so many shares are flying around.

Sayona Mining Ltd (ASX: SYA)

Another ASX 200 lithium stock rounds out our list for today. Sayona Mining is currently topping the ASX 200's trading volumes with a whopping 67.85 million shares bought and sold during today's session so far. Sayona looks to be experiencing a similar situation to Core Lithium.

There's been no news from the company. But we have seen the Sayona share price go on a very bumpy rise today. The company has played jump rope with the brake even line all day, with big rises and falls. At present, Sayona shares are up 1.92% at 26 cents each.

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