Pitch one stock to buy and one to sell from two invented paint makers: Keshvi at 45x growing 18% with a 30% return on capital, and Ornella at 50x growing 9% with an 18% return and stretching receivables. Build the case and say what would prove it wrong.

The pitch is long Keshvi, short Ornella, as a pair. Ornella costs more on earnings while growing half as fast, with a PEG of 5.6 against 2.5 and a weaker return on capital. Its receivables jumped by about Rs 150 crore, a hint that growth is being bought with dealer credit. The trade is wrong if Keshvi's growth falls below about 8% a year or Ornella's receivables prove a one-off.

A pair isolates the thing you actually know. Owning Keshvi and selling Ornella against it removes most of the paint cycle and the market, so the trade pays only if the gap between the two closes. It is like backing the better of two shops on one street: if the street empties, both suffer, but you only care which one keeps its customers. Interviewers ask for a buy and a sell precisely to see whether you can build a relative valueA view that one asset is cheap or dear compared with a close peer, rather than cheap or dear in absolute terms. case rather than two unrelated opinions.

Put the four lines side by side. Ornella costs more on earnings, grows half as fast and earns less on each rupee it reinvests, so it is dearer on every axis that drives value. Return on capital also tells you how growth is funded. Growth equals return on capital times the share of profit reinvested, so Keshvi reinvests 60% of profit to grow 18% while Ornella reinvests 50% to grow 9%. Ornella's 50x is paying for growth it does not have.

Make the growth gap concrete. Ten years of 18% growth multiplies earnings by 5.23; ten years of 9% by 2.37. Today's price is 8.6x Keshvi's year 10 earnings but 21.1x Ornella's. Even if Keshvi slows to 12%, you pay 14.5x. Keshvi only loses this comparison if it grows below about 7.9% a year for a decade, slower than Ornella itself.

The catalyst is Ornella's next two sets of results. Receivables up 15 days on Rs 3,650 crore of revenue is about Rs 150 crore of sales not yet collected, 38% of a year's profit. If dealers are being given longer credit to take stock, either growth slows when the scheme ends or cash flow lags profit, and the market notices either. Say the honest counterweight too: Ornella turns 50% of profit into free cash against Keshvi's 40%, so on today's free cash yield, 1.00% against 0.89%, Ornella is slightly cheaper.

Close with the exits. The pitch is wrong if Keshvi's volume growth slows towards single digits, if Ornella's receivable days fall back to 40 next quarter, or if a new entrant cuts prices for both. The first breaks the growth gap, the second removes the quality concern, and the third hits the long side harder because high growth is what Keshvi's multiple pays for. Naming the exit before the entry is what makes a pitch a trade rather than a hope.