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Flotation cost is the total expense a company pays to issue new securities to the public. It covers underwriting fees, legal and accounting costs, SEC registration fees, printing, and marketing. When you sell new stock or bonds, you do not keep every dollar investors pay. The gap between what investors pay and what your company actually receives is the flotation cost. It reduces the net capital raised and raises the effective cost of that capital above whatever rate you quoted.
If your stock sells at $25 per share and flotation costs consume $1.25, you net only $23.75. Your cost of equity calculation has to reflect the actual proceeds, not the offer price.
Costs vary based on security type, issuer size, and market conditions. Larger, better-known issuers pay less proportionally because fixed expenses are spread across more shares or a larger principal.
Two approaches exist for incorporating flotation costs into your weighted average cost of capital. Both are conceptually valid. The choice affects how you allocate the cost across projects.
The first approach adjusts the cost of equity directly by dividing the expected dividend by the net price after flotation rather than the full market price. A stock expected to pay a $2 dividend growing at 5% annually and priced at $40 with 5% flotation costs uses a net price of $38. The cost of equity becomes $2 divided by $38 plus 5%, rather than $2 divided by $40 plus 5%.
The second approach treats flotation costs as an upfront cash outflow that you subtract from the net present value of the investment directly. Most corporate finance professionals favor this approach because it treats flotation costs as a project-level expense rather than a permanent change to the firm's baseline cost of capital.
High flotation costs widen the gap between your cost of retained earnings and your cost of new equity. Projects that cleared the hurdle rate using internally generated funds may no longer be economically viable when funded with new shares, because the one-time flotation cost must also be recovered.
This is one concrete reason mature companies prefer retained earnings over new equity for capital investment. Internal funds carry no flotation cost. New equity always does.
With deep roots in traditional finance and the digital asset industry, Acquire.Fi operates as a specialist M&A advisory firm. Coverage spans M&A, secondaries, OTC, and capital markets advisory across digital assets and frontier tech. Decades of combined experience across every stage of the deal lifecycle.
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