Kelly Services Inc vs Insperity Inc

Kelly Services Inc (KELYA) is overvalued and Insperity Inc (NSP) is undervalued.

Against our estimates of intrinsic value, NSP trades at the wider discount: a margin of safety of +29%, against -163% for KELYA.

Values as of the 22 Sept 2026 close.

Kelly Services Inc (KELYA)

Its through-the-cycle earnings (0.7% median margin), capitalised at 9.0% with no growth, values the shares at $6.34; the price of $16.66 is 163% above that value.

Leak Score 24/100 on 6 of 12 signals

Insperity Inc (NSP)

Its through-the-cycle earnings (3.8% median margin), capitalised at 7.9% with no growth, values the shares at $70.34; the price of $50.26 is 29% below that value.

Leak Score 55/100 on 7 of 12 signals

MetricKELYANSP
VerdictOvervaluedUndervalued
Price$16.66$50.26
Intrinsic value$6.34$70.34
Margin of safety-163%+29%
Leak Score24/100 (6/12)55/100 (7/12)
Market cap$599M$1.9B
Revenue growth, 5 years-1.2%9.7%
Operating margin0.8%-0.0%
Net margin-6.7%-0.2%
Return on equity-24.4%-18.5%
Debt to equity0.137.84
Forward P/E9.2x18.6x
P/B0.6x30.5x
Dividend yield1.8%4.8%

All stocks in Staffing & Employment Services