A currency pair is a price of money

A currency pair is the price of one money in terms of another. This chapter reads that price without turning it into a personality contest between two countries, and it explains why an Indian trader meets the dollar more often than the textbook suggests.

How to say the price out loud

USD/INR at 84.20 means one US dollar costs 84.20 rupees. If the number becomes 85, the dollar costs more rupees. The rupee has weakened against the dollar. If the number becomes 83, the dollar costs fewer rupees. The rupee has strengthened. People say ‘the dollar fell’ and ‘the rupee fell’ in the same conversation and mean opposite things. Say which currency bought less of the other.

The pair is always a ratio. Nothing in it tells you whether the dollar ‘did well’ in the abstract. The dollar can rise against the rupee and fall against the euro on the same afternoon. A person who is paid in rupees and must pay a supplier in dollars cares about USD/INR. A person who must pay a supplier in euros cares about a different ratio, even if both people feel that they are ‘watching the dollar’.

Why a company cares

An exporter who will receive dollars in three months is helped, in rupee terms, if the dollar costs more rupees by then, and hurt if it costs fewer. An importer who must pay dollars is in the mirror position. A company that borrowed in dollars and earns in rupees can report a loss when the rupee weakens, without having sold one less product. None of these is a trading signal. They are the reason a currency future exists: the company may want to freeze a rate it can live with, and someone else may be willing to take the other side.

An invoice, with the rate left open

A manufacturer will pay a supplier 50,000 dollars in two months. At 84.20 the bill is ₹42,10,000. If the rate is 86 when the bill is paid, the bill is ₹43,00,000. The product did not change. The manufacturer is ₹90,000 poorer because the ratio moved. If, instead, the manufacturer buys a dollar future or a forward that roughly matches the date and the amount, the extra rupees paid to the supplier are offset by the hedge, minus basis and charges. If the rupee strengthens, the supplier’s bill is cheaper and the hedge loses. The manufacturer gave up the pleasant surprise in order not to meet the unpleasant one. That is the same bargain as any hedge.

What the quoted market is, and is not

Exchange-traded currency futures in India are a specific list of pairs, lot sizes, and expiries, available to the participants the rules allow, within position limits. They are not an invitation to treat every global move as something you should express with a leveraged contract. The macroeconomic reasons — interest-rate gaps, inflation, capital flows, the central bank’s actions — are slow, argued over, and frequently overwhelmed for months by flows you will read about only afterwards. If you do not have a foreign-currency bill or receipt, you are the speculator in the pair. Size it as a speculation.

What to remember

• Read a pair as a price: how many units of the second currency buy one unit of the first.
• A rise in USD/INR is a weaker rupee against the dollar, not a vague ‘dollar is strong everywhere’.
• Exporters and importers sit on opposite sides of the same move.
• A hedge freezes a rate. It also cancels the move that would have helped you.
• Without a bill or a receipt in the foreign currency, a currency future is a speculation. Position limits and lot sizes are part of the contract, not a detail.