NCFM Derivatives Market (Dealers) common mistakes
NCFM Derivatives Market (Dealers) · Understand the traps and how to avoid them.
Confusing a futures contract's mark-to-market daily settlement with its final settlement price, and answering questions about variation margin as if it were the initial margin deposit.
Candidates memorise 'margin' as one concept and never separate initial margin (performance deposit collected at trade initiation) from daily variation margin (cash flow to restore the margin balance to the maintenance level after mark-to-market). The exam tests this distinction indirectly through settlement and P&L questions.
What to do instead
Build a two-column table: Initial margin vs Variation margin, covering who pays, when, how computed, and what happens on a margin call. Then work through a three-day price path and compute the daily cash flows by hand until the mechanics are automatic.
Treating an option buyer's maximum loss and an option writer's maximum loss as symmetric, or stating that the buyer must post margin.
The asymmetry of options (buyer pays premium, has limited loss, unlimited gain potential on calls; writer receives premium, has unlimited loss potential on naked calls) is stated once in study material and then assumed rather than derived, so it collapses under pressure in applied questions.
What to do instead
For each of the four basic positions (long call, short call, long put, short put), draw the payoff diagram from memory and state maximum profit, maximum loss, and margin obligation. Redo this weekly until all twelve facts are instant.
Mixing up the roles and obligations of a clearing member, a trading member, and a client, especially on who bears counterparty default risk and who posts collateral to the clearing corporation.
The clearing chain is learned as a list of names rather than as a flow of obligations. Candidates then answer 'who guarantees the trade' or 'who faces the clearing corporation' by guessing.
What to do instead
Draw the chain client to trading member to clearing member to clearing corporation, and annotate each arrow with the obligation it carries (order flow, trade confirmation, margin, default fund contribution, novation). Reproduce the diagram from blank paper before each mock test.
Applying cash-market intuition to derivatives regulation, for example assuming a derivative position must be reported only at settlement, or that position limits apply per client rather than per trading member and client combined.
Candidates with equity-market background carry over T+2 settlement thinking and ignore that derivative positions are monitored intraday and that limits are layered across client, member, and proprietary levels.
What to do instead
Make a one-page regulatory map: disclosure of beneficial ownership, position limits by contract and by entity level, reporting timelines, and the consequences of breach. Test yourself by writing the limit structure for one index futures contract from memory.
Answering risk-management questions using only notional exposure and ignoring delta-equivalent or margin-based exposure when the question involves options or offsetting positions.
Notional is the easiest number to compute, so it becomes the default. Candidates do not internalise that an option's market risk is its delta-adjusted exposure, and that a hedged book can have near-zero net exposure despite a large gross notional.
What to do instead
Practise converting a mixed portfolio (futures plus options) into delta-equivalent exposure and comparing it with notional. Learn when each measure is appropriate: notional for gross size reporting, delta-equivalent for directional risk, margin for funding and default risk.
Confusing hedging with speculation and failing to identify which leg of a strategy is the hedge, particularly in spread and arbitrage questions.
Exam questions describe a position without labelling intent, and candidates classify by instrument type rather than by purpose and risk offset. They then misidentify the risk being transferred.
What to do instead
For every strategy you study (calendar spread, basis trade, covered call, protective put), write one sentence naming the exposure being reduced and the exposure being created. Practise classifying positions from a description alone, without instrument names.
Ignoring the distinction between the spot price, the futures price, and the cost-of-carry components when answering pricing questions, and forgetting that convenience yield and storage cost enter with opposite signs.
Candidates memorise the cost-of-carry formula as a single string without understanding each term, so they cannot adapt when a question asks for the implied repo rate, the fair value given a dividend yield, or the effect of a shortage.
What to do instead
Derive the fair futures price from first principles for three cases: a financial asset with dividend yield, a storable commodity with storage cost and convenience yield, and a currency. Then solve backwards for the implied rate in each case.
Mishandling client onboarding and suitability questions by focusing on KYC documentation completeness and skipping the risk-profile-to-product-match step, or recommending an unsuitable product because the client requested it.
Candidates treat onboarding as a paperwork exercise. They miss that suitability is a substantive judgement, that a client's instruction does not remove the dealer's obligation, and that the appropriateness of derivatives for a retail client must be actively assessed.
What to do instead
Study suitability as a three-step test: assess the client's knowledge, experience, financial situation and objectives; match the product's risk and complexity to that profile; document the rationale. Practise with short scenarios where the client demands a product that does not fit.
Confusing the treatment of client funds and securities with the firm's own funds, or failing to identify commingling and unauthorised use of client collateral as a serious regulatory breach.
The segregation principle is known as a slogan but not as an operational rule, so candidates cannot spot the specific behaviour that constitutes a violation in a scenario question.
What to do instead
Learn the segregation rule as a set of concrete prohibitions: no commingling of client and proprietary assets, no use of client collateral for the firm's own obligations without explicit authorisation, daily reconciliation, and separate bank accounts. Then classify five short scenarios as compliant or not.
Misreading questions that ask for the exposure or obligation 'at expiry' versus 'during the life of the contract', and choosing the answer that is correct for the wrong time horizon.
Under time pressure, candidates pattern-match keywords and skip the temporal qualifier. This is especially costly in settlement, margin, and option payoff questions where the answer changes completely at expiry.
What to do instead
Adopt a fixed reading routine for every quantitative question: underline the time reference, the position direction (long or short), and the unit requested. Answer in two passes, first classifying the question type, then computing.