To interpret an Asian-market headline, identify the market, index, session and currency before considering the explanation for the move. “Asian shares rose” can summarize several different baskets measured at different times.
Use this as a reading method, with selected Asian and Asia-Pacific benchmarks as examples. It is not a live market report or a recommendation to buy any market or fund.
Know which basket the headline measures
Two indexes for the same country can hold different companies and assign different weights. Nikkei describes the Nikkei 225 as a price-weighted index of 225 stocks. Japan Exchange Group describes TOPIX as a broad Japanese benchmark weighted by free-float-adjusted market capitalization. Their percentage changes answer related but distinct questions.
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| Market | Example | What to check |
|---|---|---|
| Japan | Nikkei 225 or TOPIX | Which basket and weighting method does the story use? |
| Hong Kong | Hang Seng Index | Which Hong Kong-listed exposures dominate its current weights? |
| Taiwan | TAIEX | Which TWSE-listed shares and return version are included? |
| Australia | S&P/ASX 200 | Is the report using the price or accumulation/total-return series? |
The Hang Seng index overview, TWSE index descriptions and ASX index guide provide starting points for their respective markets. Open the precise factsheet or methodology named in the report. A broad regional label should not substitute for a list of markets and their weights.
Check the date of the constituent file. A sector-heavy index can move with a small set of influential companies while many other shares move differently. The number of stocks rising and falling describes breadth; the weighted index return describes the specified basket.
Align the observation windows
Record the starting and ending local dates, timestamps and time zones. Determine whether the figure is an official close, a delayed intraday observation or a futures price. A market holiday can leave a screen displaying the previous session's close while another market is trading.
Use the relevant exchange's calendar rather than assuming a Monday-to-Friday pattern is sufficient. HKEX's calendar is one example of an official source for Hong Kong arrangements. Product calendars can differ even within an exchange.
Fictional timing mismatch
A report compares Market A's completed Tuesday close with Market B's Tuesday morning level. A news release arrives after A closes but while B is trading. Their reported moves incorporate different information windows. Label the mismatch, then compare a consistent close-to-close period if the purpose requires it.
A point change also needs a denominator. An index rising 200 points from 10,000 gains 2%; another rising 200 from 40,000 gains 0.5%. Calculate (ending level ÷ starting level − 1) × 100 before comparing magnitudes.
Separate the local return from the currency effect
For an unhedged holding with no cash flows, use home-currency return = (1 + local return) × (1 + currency return) − 1. Here currency return means the change in the home-currency value of one unit of local currency. State that quote direction explicitly; reversing it changes the calculation.
Fictional example: an 8% gain becomes 2.6%
An investor starts with $10,000 when one local currency unit is worth $0.01. That buys 1,000,000 local units of a hypothetical holding. An 8% local gain makes it worth 1,080,000 units. If the local currency then ends the period at $0.0095, its dollar value is $10,260.
The dollar return is 2.6%: 1.08 × 0.95 − 1 = 0.026. Simply subtracting 5% from 8% would miss the interaction. The example excludes dividends, taxes, fees, dealing spreads and hedging, and uses invented exchange rates.
Published reference rates may differ from executable conversion prices. The ECB labels its reference rates as informational. For an actual investment record, use the relevant transaction evidence and include costs. Download the market-reading worksheet and currency example to document the assumptions.
Build a short, repeatable reading routine
- Write the exact index name, provider, return variant and currency.
- Save the two observations and their timestamps; check calendars and data delays.
- Calculate the percentage move and separate any currency conversion.
- Find the original company or policy announcement behind a causal claim.
- Record whether the evidence establishes timing, a plausible mechanism or a measured contribution.
News released before a move can be relevant without explaining every part of it. Check other markets, major constituents and the broader period before accepting a single-cause story. If information is missing, state what cannot yet be compared and locate the required series.
Continue with European benchmarks and dividend treatment or choosing among FTSE China indexes.