GISI Securities Course Professional Level common mistakes
GISI Securities Course Professional Level · Understand the traps and how to avoid them.
Mixing up the roles of the regulator, the exchange, and the clearing house when answering questions about who authorises a firm, who admits a security to trading, and who guarantees settlement - treating 'the regulator' as the answer to every supervisory question.
Candidates memorise a single list of 'regulators' and never build a functional map, so under time pressure they default to the most familiar body regardless of which function the question describes. The exam deliberately tests the separation between prudential authorisation, market operation, and post-trade infrastructure.
What to do instead
Build a three-column table (authorise/supervise firms, operate/admit to market, clear/settle/guarantee) and place each named body in it. For every practice question, first identify which function is being asked about, then name the body. Rehearse the listing- versus authorisation- versus settlement-decision distinctions until each is automatic.
Calculating an order's execution price or priority using the wrong market structure assumption - for example applying a pro-rata allocation model on a price-time priority venue, or assuming a quote-driven dealer market when the scenario describes a central limit order book.
Candidates learn one textbook microstructure model and apply it everywhere. They also skim the scenario setup, missing the sentence that states the venue type, so the arithmetic is correct but the model is wrong.
What to do instead
Before any calculation, underline the venue description in the stem and write the matching model (price-time, pro-rata, quote-driven, auction) in the margin. Practise a small set of allocation examples under each model so the mechanics - tie-breaking, time priority, allocation rounding - become routine rather than recalled.
Confusing cum-dividend and ex-dividend treatment, or mis-dating the record date, when computing the buyer's entitlement or the theoretical ex-price adjustment in an equity settlement question.
The convention differs by market and by settlement cycle, and candidates rely on a half-remembered rule of thumb instead of working from the settlement date forward. The question usually embeds a settlement-cycle detail that changes the answer.
What to do instead
Always work the timeline explicitly: trade date, settlement date, record date, ex date. State the market's convention in one line before computing. Practise adjusting a price for a dividend or rights issue using the ex-date convention you have just written down, and check the answer against the direction of the adjustment (price should fall by the dividend on the ex date).
Reporting a bond's yield without specifying the convention, or mixing clean and dirty prices when computing accrued interest, yield to maturity, or the settlement amount.
Candidates treat 'yield' as a single number and 'price' as a single number. In fixed income both depend on day-count, compounding frequency, and whether accrued interest is included, and the exam supplies these details precisely to see whether they are used.
What to do instead
Adopt a fixed working order for every bond question: identify day-count convention, compounding frequency, coupon frequency, and settlement date; compute accrued interest first; convert clean to dirty before discounting cash flows; then state the yield convention alongside the number. Do ten accrued-interest drills across different conventions until the sequence is automatic.
Treating duration as a complete measure of interest-rate risk - quoting modified duration as the expected percentage price change for a large yield move, or ignoring convexity, spread duration, and key-rate exposure when the scenario involves a non-parallel shift.
Duration is the most memorable fixed-income formula, so it becomes the default answer. Candidates forget that it is a first-order, small-change approximation and that it says nothing about credit spread or curve-shape risk.
What to do instead
For every duration question, ask three things: how large is the yield change, is the shift parallel, and is the risk rate risk or spread risk? Use duration plus the convexity adjustment for large moves, and name spread duration or key-rate duration when the scenario is non-parallel or credit-driven. Keep a one-page risk-measure map and consult it before answering.
Confusing the payoff, obligation, and risk profile of forwards, futures, options, and swaps - for example describing a futures contract as having no counterparty risk, or computing an option payoff without subtracting the premium to get profit.
Candidates memorise payoff diagrams as shapes rather than deriving them from the contractual obligation. The distinction between payoff and profit, and between linear and non-linear exposure, is exactly what the exam probes.
What to do instead
For each instrument write one sentence on the obligation (right versus obligation, exchange-traded versus OTC, margined versus not) and then sketch the payoff from first principles. Always label whether the question asks for payoff at expiry or net profit, and subtract or add the premium accordingly. Do a side-by-side table of the four instruments and redraw it from memory weekly.
Answering collective-investment questions by fund name or reputation rather than by legal structure and fee mechanics - for example ignoring the difference between open-ended and closed-ended vehicles, or missing the effect of entry, exit, and performance fees on the investor's net return.
Candidates learn fund categories as marketing labels and skip the structural detail (pricing frequency, dealing terms, valuation point, fee basis). Fee questions then fail on arithmetic because the wrong base is used.
What to do instead
Classify every fund scenario on four axes: open or closed-ended, pricing and dealing frequency, fee basis (gross versus net assets, high-water mark), and valuation point. When a fee is quoted, write the base and the timing before computing. Practise a net-return calculation that stacks entry, annual management, and performance fees in the correct order.
Constructing a portfolio answer that ignores the client's constraints - recommending a high-return allocation without checking liquidity needs, time horizon, tax position, or the stated risk tolerance - or confusing strategic asset allocation with tactical deviation.
Candidates default to the highest-Sharpe portfolio because it looks technically correct, treating the IPS as background rather than as binding constraints. They also conflate the long-run policy mix with short-term tilts.
What to do instead
Before recommending anything, extract and restate the constraints from the scenario in a short list (return objective, risk tolerance, liquidity, horizon, tax, legal/regulatory, unique). Then check the recommendation against each line. Explicitly label which part of the answer is strategic policy and which is tactical, and justify any deviation against the policy range.
Applying a valuation multiple or a DCF without checking that the inputs are consistent - comparing a price-to-earnings multiple across firms with different accounting policies, or discounting nominal cash flows at a real discount rate and reporting the result as fair value.
Candidates focus on the arithmetic and the final number, not on input consistency. The exam builds in mismatches (currency, nominal versus real, enterprise versus equity, trailing versus forward) that a consistency check would catch.
What to do instead
Run a fixed consistency checklist before computing: nominal with nominal, real with real, enterprise value with enterprise cash flow, equity value with equity cash flow, same currency, same period, comparable accounting. State the basis of each input in one line. For multiples, name the comparability criteria you applied and reject peers that fail them rather than averaging them in.
Answering risk-management questions with a single risk measure - quoting value at risk as a maximum loss, or treating a VaR number as sufficient without its confidence level, horizon, and the fact that it says nothing about the size of losses beyond the threshold.
VaR is the headline metric in most study material, so candidates reach for it as a complete answer. They omit the parameters and the tail limitation, which are precisely what the exam tests.
What to do instead
Whenever VaR appears, state confidence level, horizon, and method, then add the limitation: it is not a worst-case loss and gives no information beyond the threshold. Pair it with expected shortfall or stress testing where the scenario involves tail risk. Keep a risk-measure comparison sheet (VaR, expected shortfall, stress test, scenario analysis, sensitivity) and cite the right one for each question type.
Handling conflicts of interest and client-conduct questions by choosing the option that maximises client outcome or firm revenue rather than the one that follows the disclosure, priority-of-interest, and suitability sequence - for example executing a personal trade ahead of a client order or accepting a gift without checking the firm's policy threshold.
Candidates answer ethics questions on intuition and general fairness rather than on the prescribed sequence of steps. They also skip the 'escalate and disclose' step because it feels like an admission of wrongdoing.
What to do instead
Memorise and apply a fixed sequence for every conduct scenario: identify the conflict, determine whose interest ranks first (client before firm before personal), check whether disclosure or consent is required, decide whether to act or decline, and document and escalate. For gifts and inducements, recall the firm's threshold rather than judging materiality by feel. Rehearse the sequence on short scenarios until it is the first thing you write in the margin.
Losing marks on question format rather than content - leaving calculation questions unanswered because the arithmetic is long, or selecting a 'true' option in a 'which is NOT correct' stem because the negative was not registered.
Under timed conditions candidates read stems quickly, miss the negation, and abandon multi-step calculations partway. The exam rewards completing the mechanical steps and reading the question precisely as much as it rewards knowledge.
What to do instead
Underline negation words (NOT, EXCEPT, LEAST likely) before reading the options. For calculations, write the formula first and complete the steps even if unsure, since partial working often still yields the right option. Practise full-length timed sets so pacing and stem-reading become habits rather than intentions.