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plainmoney — Market brief — Friday 21 Aug 2026 — 06:45 AEST

The straight answer

Wall Street closed lower overnight, with the S&P 500 down 0.9%, setting up a softer open for the ASX today. The Aussie dollar, however, gained 0.5% to 0.7116, while Bitcoin surged 6.2% to 102,305.

What's moving markets

US equities saw a broad sell-off, with the S&P 500 falling 0.9% to 7,641.2, the Nasdaq down 1.0% to 26,067.2, and the Dow losing 1.3% to 52,759.2. This risk-off sentiment was reflected in the VIX, which jumped 7.5% to 16.

For Australia: The ASX 200 is expected to open softer, following the lead from Wall Street. Iron ore held steady at US$95.2 a tonne, down just 0.1%, which is a minor relief for the big miners. The AUD gained 0.5% against the US dollar, trading at 0.7116, despite the broader risk-off mood. Bitcoin, in AUD terms, saw a significant jump of 6.2% to 102,305.

World & geopolitics

Geopolitical tensions are back on the radar, with headlines from EnergyNow and Canadian Cattlemen pointing to an "Iran War" and "economic warfare threat" pushing up crude oil prices. Brent crude rose 2.0% to US$93.4 a barrel, and WTI crude was up 0.8% to US$86.5. Gold also jumped 1.9% to 4,574, with Investors' Chronicle reporting a surge after "US intervention," suggesting a flight to safety.

What it means for your money

Your super will feel the global risk-off tone, with the ASX 200 expected to open softer.

Your cost of living could see petrol prices rise if crude oil continues its climb.

Your purchasing power got a small boost as the AUD gained 0.5% against the US dollar.

What to watch

The next major local catalyst is the AU Monthly CPI indicator, due next Wednesday (26 Aug) at 11:30am AEST. This is the one that moves the RBA.

Your call

The market is caught between global risk aversion and a surprisingly resilient Aussie dollar. If the CPI indicator comes in hotter than expected next week, it could put pressure on the RBA to consider further rate hikes, potentially pushing up bond yields and strengthening the AUD further. If it's softer, the reverse could happen. Keep an eye on the AUD/USD as a live indicator of how global sentiment and local data are balancing out.

Today's moves

S&P 500-0.9%Nasdaq-1.0%Aussie $+0.5%Gold+1.9%Oil (WTI)+0.8%Iron ore-0.1%Copper-0.1%BHP+3.2%Fortescue-0.6%Bitcoin+6.2%

The numbers

S&P/ASX 200
9,053.80
▼ -0.2%
AUD/USD
0.7116
▲ +0.5%
Iron ore 62% Fe
95.17
▼ -0.1%
RBA cash rate
4.35%
AU 10y bond
5.01%
AU–US 10y spread
+32 bp
S&P 500
7,641.16
▼ -0.9%
Nasdaq
26,067.17
▼ -1.0%
US 10y
4.70%
▲ +4 bp
Gold
4,574.00
▲ +1.9%
WTI crude
86.50
▲ +0.8%
BTC (AUD)
102,305.00
▲ +6.2%

What's coming up

What we're watching

RBA cash-rate path
Cash rate per latest RBA F1.1 (see today's numbers); market pricing for the next meeting tracked via OIS.
US Fed path
US 10y and Fed pricing set the global discount rate that flows into AUD and ASX valuations.
Iron ore & China demand
AU's #1 export; watch the big miners — BHP, Rio, Fortescue — as the live read on iron-ore demand.
China property & stimulus
Structural drag on AU commodity demand; watch PBoC/LPR and developer stress.
AU housing cycle
Mortgage cost = cash rate PLUS bank funding spreads; monthly Cotality + weekend auctions are the free read.
Yen carry & BoJ
AUD/JPY is a sensitive gauge of risk; a sharp yen rally can force global de-risking (cf. Aug-2024).
AI capex cycle
Drives global tech valuations and, via data-centre power/copper/uranium, several AU names.
Global risk regime
VIX + credit + equity-bond correlation define whether we're in a calm or stressed regime.

Sources

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