I’m just saying whether you can use EBITDA or not depends on a lot of factors. I’m not saying I’ve never used it to value a company. I just don’t use it blindly like most of the rest of the market does.
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“I seemed to be able to answer the CFA questions that involed working capital, but I never really felt that I had a good intuitive understanding - I felt more like I was just cranking the formula and had done enough problems not to make too many mistakes.”
Welcome to the entire CFA program… OHHHH SNAP. I distinctly recall getting flamed out repeatedly on this forum for saying the CFA program is practically worthless – well guess what, it’s kind of a joke that someone could be a charterholder of the “gold standard” in the investment world and still not really understand working capital. I’m not picking on you bchad (because the program failed you), just saying the program is deeply, deeply flawed (but don’t worry, you know how to calculate a triple reverse upside down butterfly options spread, because that totally comes up all the time). Doin’ it for the lulz CFAI.
Anyway, to answer your question, this is how you should think about working capital from the perspective of an operating company (which is what most businesses are):
A company purchases fixed assets using various capital sources (debt, equity, preferred) and files these fixed assets under long-term on the balance sheet. There are also short-term assets such as receivables, inventory and pre-paid expenses. These represent cash outlays (you have to purchase inventory, you pre-paid the expense, and you have receivables for which you’ve provided some product or service but have not received the cash yet (this gets into accrual accounting which is a longer discussion)). You also have current liabilities like accounts payable where you owe people money (effectively someone else’s receivables).
By this definition, working capital represents the net cash invested in short-term assets in the business, which is typically abbreviated AR + Inv - AP but may include other items. If you have $5 of AR, $10 of inventory and $4 of AP, you effectively have $11 of cash “tied up” in operating the company on a day-to-day basis (tied up because the company isn’t going to run itself, you had to invest this cash, otherwise known as capital). It’s “working” capital because it’s distinct from “fixed” capital or fixed assets that don’t get “processed” (AR is collected, inventory is sold, whereas PP&E is effectively stagnant on the balance sheet except that it depreciates over time (AR and inventory don’t “depreciate”)).
If you want to look at a retailer (very simple business model) they essentially spend a bunch of cash on operating leases, buildings (PPE) and inventory (very low AR and AP for most). The buildings are fixed regardless of whether there is any inventory or customers are even allowed inside the building. The inventory however is the life blood of a retailer – they buy stuff, mark it up, and resell it with the difference effectively represented by their gross margin on the P&L (there can be some other non-product costs in here too). The “mark up” represents their cash gain on the cash invested in the inventory before accounting for other operating expenses. The retailer stays in business by consistently earning a reasonable cash / cash return on its inventory investments.
This is why a high gross margin retailer that is not moving its inventory and has to mark down its products can lead to some brutal earnings misses (and cash burn) and terrible stock blow ups (and is also one of the reasons that I religiously avoid most fashion apparel stocks).
So I guess if you wanted to look at it from a biology perspective, the working capital is the blood and the fixed assets are the body. The body doesn’t work unless it has something flowing through it, and that’s what working capital is.
The corp fin definition is different (note that everything in finance has at least 3 names and is designed to confuse you).