S&P/ASX 200 Index (ASX: XJO) coal stock Yancoal Australia Ltd (ASX: YAL) is slumping today.
Yancoal shares closed yesterday trading for $6.20. In morning trade on Friday, shares are changing hands for $5.94 apiece, down 4.2%.
This leaves the Yancoal share price up 29.1% since rebounding from its recent lows on 7 April.
Here's what's catching ASX investor interest today.
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ASX 200 coal stock slides amid lower prices
Investors are bidding down the Yancoal share price this morning following the miner's June quarter update (2Q 2025), released after market close on Thursday.
Over the three months to 30 June, the ASX 200 coal stock reported 17.0 million tonnes of run of mine (ROM) coal production on a 100% basis.
Management noted that total ROM coal production was aligned to their forecast and was up 12% from 1Q 2025.
Attributable saleable coal production came in at 9.4 million tonnes.
On the sales front, Yancoal reported 12.3 million tonnes of saleable coal production on a 100% basis. The miner said its saleable coal was in line with the prior quarter, noting that its mines "operated to plan" following some weather disruptions.
Attributable coal sales came in at 8.1 million tonnes.
Yancoal said that attributable sales were lower than production due to temporary port closures after inclement weather events, but the miner expects to reduce its accumulated inventory and fully recover its sales position by September.
The ASX 200 coal stock received an average realised coal price of AU$142 per tonne over the June quarter. Yancoal reported an 11% lower realised thermal coal price and a 10% lower realised metallurgical coal price compared to 1Q 2025.
The company had a $1.8 billion cash balance at 30 June after paying a fully franked final dividend of $687 million.
What did management say?
Commenting on the quarterly results that have as yet failed to boost the ASX 200 coal stock today, Yancoal acting CEO Ning Yue said, "We have delivered the best first half operational performance of the past five years."
Looking into the subdued global coal markets, Yue added:
International coal indices faced a soft pricing environment due to strong supply and subdued demand in both the thermal and metallurgical coal markets during 2Q 2025… During such conditions, we focus on maximising our operational efficiency and minimising costs to navigate the current cyclical low in coal prices…
We are beginning to see supply-side response to the lower coal prices, which aligns with our view that coal indices are well below marginal cost on the global cost curve. We anticipate further supply-side reductions from higher-cost producers, contributing to a potential recovery in coal price indices, as was the case with past coal price cycles.
Will the ASX 200 coal stock meet full-year guidance?
Yancoal's full-year 2025 attributable saleable production guidance is in the range of 35 million to 39 million tonnes. The miner noted that first-half output was ahead of the midpoint, with the full year now potentially coming in toward the upper end of the guidance range.
The ASX 200 coal stock also expects its first-half cash operating costs to be in the middle of its guidance range of $89 to $97 per tonne when it reports in August.
Attributable capital expenditure was said to be on track to fall within guidance of $750 million to $900 million.
