Valuation Cap
The maximum company valuation at which a SAFE or convertible note will convert into equity.
A valuation cap sets a ceiling on the price at which a SAFE or note converts into shares, protecting early investors from being diluted down to a tiny stake if the company's valuation rises sharply before the next priced round. If the actual round is priced above the cap, the SAFE still converts at the (lower) cap price, giving early investors a better price per share than new investors in that round.
The cap is the single most negotiated number on an early-stage SAFE, because it directly determines how much of the company an investor ends up owning; founders and investors often go back and forth on cap level far more than on any other term in a seed deal.
The cap is how early investors get paid for early risk. Set it too high and early investors convert near the next round's price, earning little for backing you first — which can make the round harder to fill. Set it too low and you give away more of the company than the market requires.
Post-money and pre-money caps behave differently. On a post-money SAFE, ownership is simply the amount invested divided by the cap, fixed at signing; Y Combinator says the post-money SAFE has been its standard since 2018. On a pre-money SAFE, other convertible instruments aren't accounted for, so stacking SAFEs dilutes earlier holders in ways founders consistently underestimate.
SAFE conversion price = valuation cap / fully diluted shares outstanding (capped-side conversion)An investor puts $200,000 into a SAFE with a $8M cap. If the next round prices the company at $8M or lower, the SAFE converts at the round price; if the round prices at $20M, the SAFE still converts as if the company were worth $8M, giving the investor roughly 2.5x more shares than a new investor buying in at $20M.
Set your cap deliberately, not aspirationally — a cap set far above what you can credibly support at the next round invites a painful conversion-price renegotiation or an awkward down-round optics problem later.
What happens if the priced round comes in below the SAFE's cap?
The SAFE converts at the actual round price, which is more favorable to the company (and less favorable to the SAFE holder) than converting at the cap.
What's the difference between a pre-money and post-money valuation cap?
A post-money cap fixes the investor's ownership as amount invested divided by the cap, regardless of other SAFEs. A pre-money cap doesn't account for other convertible instruments, so each new SAFE dilutes earlier ones. Y Combinator has used the post-money SAFE as its standard since 2018.
Can a valuation cap be too high?
Yes. A cap far above what the next round will support gives early investors almost no reward for their risk, which can make the seed harder to fill and invite renegotiation later.
How does a cap compare with a discount in practice?
In most real rounds the cap does the work. Hypothetically, a $10M post-money cap against a $30M round lets the holder in at about a third of the new investors' price, while a 20% discount alone would only take it to 80%. The Discount Rate entry covers when the discount wins instead.
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Related terms
Run the numbers yourself: dilution, SAFE conversion, and fund-returner calculators.