Speculator or trader

Of the three kinds of derivatives market participant, the speculator — also called a trader — is the one with nothing to protect. A hedger already carries risk from a real business exposure; an arbitrager carries none and takes no view either. A speculator or trader carries none to start with, but takes on risk deliberately, betting on which way prices will move.

The workbook is specific about why speculators use derivatives rather than trading the underlying asset directly (Chapter 13, section 13.4, repeated in Chapter 19, section 19.4). Derivatives are preferred over the underlying for three reasons:

• They offer leverage — a trader controls a much larger position than the capital put down would buy in the underlying.
• They are less expensive — the cost of transacting is generally lower than trading the underlying itself.
• They are faster to execute in size — derivatives markets are typically higher-volume, so large positions can be built or unwound more quickly.

In the specific case of interest rate derivatives, a trader "takes speculative positions based on its views on interest rate" — buying or selling futures, or buying calls or puts, according to whether they expect rates to rise or fall, with no offsetting exposure of their own to hedge.

Speculators are not incidental to the market — the workbook notes elsewhere that hedging "would not be possible without the participation of speculators," since someone has to take the other side of every hedger's trade.

A trader believes the Reserve Bank of India will cut rates at its next policy review, which would push GOI bond prices up. She has no bond portfolio to hedge and no borrowing plan to protect — she simply holds a view.

Rather than buy Rs 50 lakh of GOI bonds outright in the cash market, she buys 25 lots of GOI bond futures at Rs 99.50, putting down only the initial margin rather than the full face value — the leverage the derivative gives her. If rates fall as expected and the futures rise to Rs 100.50, her gain is:

(100.50 − 99.50) × 25 × 2,000 = Rs 50,000

on a fraction of the capital that buying the bonds outright would have required, executed in seconds on the exchange rather than through a slower cash-market purchase. If her view is wrong and rates rise instead, the loss is equally magnified — the same leverage that inflates her potential gain inflates her potential loss.

Chapter 13 (Basics of Derivatives), section 13.4, introduces speculators/traders as one of three market participant types and gives the leverage, cost and execution-speed rationale for preferring derivatives; Chapter 19 (Interest Rate Derivatives), section 19.4, repeats the same classification specifically for interest rate derivatives. Expect a question asking why a trader would use a derivative rather than the underlying — the answer is leverage, cost and speed, together.

• A speculator has no real exposure to hedge — that is what separates a speculator from a hedger using the identical instrument.
• The reasons for preferring derivatives are leverage, lower cost, and faster execution in size — all three together, not any single one alone.
• Speculation is not the same as arbitrage. A speculator takes a view and bears price risk; an arbitrager takes no view and locks in a riskless profit.
• Leverage cuts both ways. The same feature that magnifies a speculator's gains magnifies losses just as much.