The Sharpe ratio explained: returns per unit of sleeplessness
Two funds, same return — one gave you grey hairs earning it. The Sharpe ratio prices that difference. Here is the formula, a worked example and its blind spots.
New investor-skills guides: moats, cyclical and defensive stocks, spinoffs, M&A, analyst reports, earnings briefings, paper trading, when to sell and keeping an investment journal. Educational content only, not financial advice. Continue with the previous page, the first market guides or the 44 Learn guides.
Two funds, same return — one gave you grey hairs earning it. The Sharpe ratio prices that difference. Here is the formula, a worked example and its blind spots.
Behind every analyst's 'required return' sits one famous equation linking risk to reward. Learn what CAPM says, how it is used on the PSX, and why critics push back.
One formula, five ratios, three zones: green, grey and distress. Learn how the Altman Z-score sniffs out failing companies years early — and its limits on the PSX.
Value investors demand a discount between price and worth before they buy. Learn where the margin of safety came from, how to size it, and how it works on the PSX.
Some companies defend high profits for decades; most watch rivals eat them. Learn the five classic moats, how to spot them in Pakistani businesses, and how they erode.
Cement, cars, steel and banks: their profits ride Pakistan's economic cycle up and crash it down. Learn to value cyclicals on mid-cycle earnings and survive the ride.
When the KSE-100 storms, some shares barely shiver. Meet the defensive stocks — food, pharma, fertiliser and utilities — and learn what their calm costs you.
Spinoffs nobody priced, merger spreads, buybacks and delistings: special situations pay investors for paperwork, patience and nerve. A field guide to PSX oddities.
How PSX spinoffs and demergers work: swap ratios, schemes of arrangement, splitting your cost base, and judging whether the two halves beat the whole.
Mergers, acquisitions and takeover offers on the PSX explained: control premiums, swap ratios, minority protections, and how to judge an offer for your shares.
Depreciation and amortisation explained for PSX investors: why a non-cash charge shapes profits, EBITDA, taxes and valuations — and how to read it properly.
How to read Pakistani brokerage research critically: ratings, target prices, forecasts, risk sections and disclosures — and what to check before you act on them.
Earnings calls and analyst briefings on the PSX: how to prepare, what to listen for, the guidance vocabulary decoded, and how to keep notes that compound in value.
Paper trading explained: how to practise investing on the PSX with real prices, full costs and honest rules — and graduate to real money the right way in the end.
The annual portfolio review for PSX investors: a step-by-step checklist to measure returns, test every thesis, fix drift, rebalance cheaply and reset your goals.
When to sell a stock: the three legitimate reasons, the traps that feel like reasons, stop-loss rules and a post-sale audit — a framework for PSX investors.
Averaging down explained: the maths, the value case, the falling-knife risk, and the five rules that separate disciplined adding from feeding a costly mistake.
Reading your brokerage and CDC statements line by line: trades, charges, cash, quantities and cost base — plus the ten-minute reconciliation that protects you.
An IPO prospectus runs to hundreds of pages, but a handful of sections carry almost all the signal. Here is how to read one like an underwriter, not a fan.
Before a new share trades on the PSX, an unofficial market may already be quoting it at a premium. What that number measures, and why it so often misleads.
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