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Wall St. Down Under

Issue #21 | Sunday, 27 September 2026

Wall St. Down Under

Wall St. Down Under

27 Sep 2026 — 7 min read
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The Beat Lifted the Index — The Bill Reversed It | Week Ending 23 October 2026

SpaceX’s Super Intelligence beat lifted the Nasdaq mid-week. Meta’s free-cash-flow outflow and Lam’s constrained outlook reversed it. The 10-year eased to 5.01%. The AI trade is now pricing the bill, not just the demand.

By Wall St. Down Under 24 Oct 2026

How to Track Your AUD Cost Base for the ATO — and Why Currency Gains Are Hiding in Your Portfolio

The ATO doesn’t care what happened in USD. Every gain and loss on your US stocks is calculated in AUD — and the exchange rate on the day you bought creates a number most investors have never checked.

By Wall St. Down Under 23 Oct 2026

Price-to-Earnings (P/E) Ratio: Basic Valuation Metrics

Diversification decides the weights. Order types decide the fill. The P/E ratio asks whether the price you just paid is justified by the earnings the company is actually producing. It is a ratio, not a verdict.

By Wall St. Down Under 21 Oct 2026
Editorial: The Proxy is Empty. The Musk Arbitrage Just Got Cheaper.

Editorial: The Proxy is Empty. The Musk Arbitrage Just Got Cheaper.

The 19 October proxy is empty of any SpaceX merger vote. The AGM on 3 December is defensive. For unhedged Australian holders the structural discount remains: if Musk unifies the empire, TSLA is still the cheaper entry than SPCX.

By Wall St. Down Under 21 Oct 2026

Wall St. Down Under

US market insights for Australian investors. Weekly analysis on stocks, currency, and tax — built for Aussies investing in America who want to keep more of what they earn.

Wall St. Down Under
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