Sector Pulse BlogJapanese and US market sectors, read side by side.

How to Build a Sector Watchlist You'll Actually Check Every Week

· sectors, method, workflow

Watchlists die from size. Thirty rows means you skim, skimming means you learn nothing, and after a month you stop opening it. A watchlist that survives is small, fixed, and has a written reason for every row. Educational only, not investment advice.

Rule 1: fix the rows

Do not add a sector because it moved. The whole point of a fixed list is that you see the same rows every week, so your sense of what is normal for each one accumulates. A rotating list resets that every time.

A workable default is eight rows: four US, four Japan.

  • US: Technology, Financials, Energy, Health Care.
  • Japan: Electric Appliances & Precision Instruments, Banks, Automobiles & Transportation Equipment, Foods.

That gives you a growth proxy, a rate proxy, a commodity proxy and a defensive proxy in each market — enough to place the week without drowning in rows.

Rule 2: fix the columns

Four columns, no more.

  1. This week's return.
  2. Trailing four-week return. This is what stops you reacting to noise.
  3. Rank within its market this week (1 to 11, or 1 to 17).
  4. Your note from last week, so you can see whether what you expected happened.

The fourth column is the one people skip and it is the one that produces learning. Without it, you have a data table. With it, you have a record of your own calibration.

For the Japanese rows, sector returns provide the figures for the weekly-return column.

Rule 3: write a trigger for each row

Each row gets one sentence, written in advance, describing what would make you act. Not a price target — a condition.

Japanese Banks: if they lead for three consecutive weeks while the ten-year JGB yield is rising, that is a policy-driven re-rating rather than noise, and worth reading into properly.

US Energy: ignore any move that tracks crude within a couple of percent. Only investigate when the sector and the commodity disagree.

Writing the trigger in advance is what converts watching into a process. Without it you will rationalise whatever happened after the fact.

Rule 4: cap the time

Fifteen minutes, once a week, same day. If it takes longer, the list is too big. If you find yourself checking daily, you have built a source of anxiety rather than a source of information — weekly sector data does not update meaningfully faster than weekly.

Rule 5: review the notes monthly, not the returns

Once a month, read your own notes from four weeks ago against what actually happened. You are not scoring the market; you are scoring your reading of it. The pattern in your own errors — always too early, always over-weighting the top mover, always ignoring the currency — is worth more than any individual call.

What automation should and should not do

Let a tool collect the returns and the ranks; that part is mechanical and there is no value in doing it by hand. Sector Pulse (below) pulls both markets daily and is free to use.

Do not automate the notes or the triggers. Those are the parts that make the list yours, and they are the only parts that compound.

The short version

Eight fixed rows, four fixed columns, one written trigger each, fifteen minutes a week, and a monthly review of your notes rather than the market's returns.

Sector Pulse
Weekly sector performance for Japan (TOPIX-17) and the US (SPDR), in English — what led, what lagged, and where the two markets disagreed. Data only; not investment advice.
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