Why these ASX shares are worth watching closely today

A group of ASX shares could look weaker than expected today.

Aaron Teboneras

Author bio Aaron Teboneras is an ASX investment writer with a background in business, marketing and finance. He has been a contributor to The Motley Fool since 2020, covering market news, company announcements, broker views and financial results. Aaron’s previous notable appointments include National Australia Bank, and Computershare where he discovered his passion for the Australian sharemarket. Aaron has been investing for almost 20 years, using both fundamental and technical analysis to find opportunities. Aaron completed a Technical Analysis course with Mint Analysis in 2022 and is currently studying Training and Assessment. Outside the market, he has travelled to more than 45 countries and enjoys trekking, meeting new people and seeing different parts of the world. Areas of expertise ASX growth shares Founder-led companies Company announcements and financial results Fundamental and technical analysis Education Bachelor of Business from RMIT University Social media LinkedIn Instagram Favorite investment quote “If you don't find a way to make money while you sleep, you will work until you die.” — Warren Buffett

Published September 2, 9:56 am AEST

A number of S&P/ASX 200 Index (ASX: XJO) shares could come under pressure on Wednesday.

A group of 12 ASX-listed companies are trading ex-dividend today, which means their share prices will no longer include the value of their latest payout.

That alone is expected to have a decent impact on the broader market.

According to The Australian, the combined ex-dividend moves could shave around 31 points from the ASX 200.

With futures already pointing lower, that could make market open look a little heavier than usual.

Here's the shares investors will want to keep an eye on.

Invest written on a notepad with Australian dollar notes and piggybank. — Image source: Getty Images

The ex-dividend moves to watch today

There are a few larger payouts sitting near the top of today's list.

Sonic Healthcare Ltd (ASX: SHL) closed Tuesday at $19.64 and is trading ex-dividend for 63 cents per share. The payment is 60% franked and is due on 17 September.

Monadelphous Group Ltd (ASX: MND) is not far behind. Its shares closed at $28.78 before going ex-dividend for a 59-cent fully-franked payout.

Origin Energy Ltd (ASX: ORG) and Seek Ltd (ASX: SEK) also have decent-sized dividends dropping off today.

Origin's 30-cent fully-franked dividend comes off an $11.70 closing share price, while Seek's 25-cent fully-franked payment comes off a $14.32 close.

Furthermore, Newmont Corporation (ASX: NEM) closed at $176.04 and is trading without its 25.95-cent unfranked dividend.

More ASX shares joining the list

There are also several smaller payouts coming off the board as well.

Downer EDI Ltd (ASX: DOW) closed Tuesday at $6.55 and is trading ex-dividend for 16.3 cents per share. Steadfast Group Ltd (ASX: SDF) closed at $5.84 and is going ex-dividend for 12.75 cents.

Medibank Private Ltd (ASX: MPL) is also on the list. The shares closed at $4.81 on Tuesday, with a 10.9-cent dividend going ex today.

Among the miners, Yancoal Australia Ltd (ASX: YAL) is trading ex-dividend for 7 cents per share, and Whitehaven Coal Ltd (ASX: WHC) is doing the same for 6 cents.

PLS Group Ltd (ASX: PLS) is trading ex-dividend for 5 cents, with Karoon Energy Ltd (ASX: KAR) rounding out the group with a 1.2-cent payout.

All of the 7 dividends are fully franked.

Why today's moves could be misleading

Keep in mind, trading ex-dividend does not automatically mean a stock will fall on the day. There's still plenty happening in the broader market that can push shares either way.

Nonetheless, the ASX 200 futures are expected to open at a fall of around 0.9%.

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