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Opportunity cost: what “Unit” does not decide

Every choice spends an alternative future — how to price the path you did not take without freezing decisions. Unit is a boundary — Same currency — not a winner and not a league table.

At a glance

The boundaryUnit: Same currency. That sentence limits the claim. It does not crown a…
HorizonHorizon adds a second limit: Decision-sized. If the two limits disagree, keep…
Leave it as a checkUse the published tool for Opportunity cost with this limit in view. Check 2…
Stop hereThese figures describe codes, history, or a teaching calculator. They are not…

Do not turn Unit (Same currency) into a ranking. For Opportunity cost it only sits next to Horizon: Decision-sized.

Weigh it for yourself

Mark each measure High, Any or Low for what you want. The fit number moves with every mark, and your marks follow you to the next page in this app.

MeasureOpportunity costPanic sellingYou want
Time sensitivity7888
Rate sensitivity7060
Contribution leverage6040
Behaviour risk6598
Tax & fee drag4520
Horizon fit7585

Mark at least one measure to see a fit number.

Scores are the atlas’s 0–100 teaching marks. They are not a live exchange rate or investment advice.

Reading checklist

Tick a point once you could explain it in your own words. Ticks stay on this device.

0 of 4 points done

The boundary

Unit: Same currency. That sentence limits the claim. It does not crown a person, a people, or a nation.

Horizon

Horizon adds a second limit: Decision-sized. If the two limits disagree, keep both and do not average them into a prize.

Leave it as a check

Use the published tool for Opportunity cost with this limit in view. Check 2 of 4 is whether the axis you care about even includes Unit.

Stop here

These figures describe codes, history, or a teaching calculator. They are not a live exchange rate or investment advice. Trap: Sunk cost mix.

These figures describe codes, history, or a teaching calculator. They are not a live exchange rate or investment advice.

Questions

What should I do with “Unit”?
Do not turn Unit (Same currency) into a ranking. For Opportunity cost it only sits next to Horizon: Decision-sized.
Does this page rank people or nations?
These figures describe codes, history, or a teaching calculator. They are not a live exchange rate or investment advice.
Where is the existing tool?
Use the two links below: the topic entry for Opportunity cost and the signature tool. The figure to carry is Same currency.

Open the topic: Opportunity cost · Open the tool

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