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DCF valuation

What is Newmarket Corp worth?

With the base-case assumptions below, a discounted cash flow model on Newmarket Corp's reported free cash flow gives $965.15 per share. The share price was $695.40 on November 10, 2026, 28% below that value.

Inputs from the filings

Free cash flow, fiscal 2025
$491.3M
Average free cash flow, last 5 years
$324.2M
Cash
$77.3M
balance sheet of September 30, 2026
Debt
$830.1M
balance sheet of September 30, 2026
Diluted shares, fiscal 2025
9,386,000
Revenue growth per year, last 5 years
6.3%

Three sets of assumptions

CaseGrowth yrs 1-5Growth yrs 6-10After year 10Discount rateValue per shareValue vs price
Bear1.5%2.0%2.0%10.0%$573.21-18%
Base6.5%4.5%2.5%9.0%$965.15+39%
Bull11.5%7.5%3.0%8.0%$1,746.63+151%

Sensitivity: base case value per share

Discount rate down the side, growth after year 10 across the top. Everything else as in the base case.

1.5%2.0%2.5%3.0%3.5%
7.0%$1,254.67$1,343.06$1,451.09$1,586.13$1,759.75
8.0%$1,038.62$1,095.94$1,163.68$1,244.97$1,344.33
9.0%$880.74$919.93$965.15$1,017.91$1,080.26
10.0%$760.47$788.34$819.93$856.03$897.68
11.0%$665.90$686.33$709.17$734.86$763.98

Where the presets come from

Base: years 1 to 5 grow at Newmarket Corp's revenue growth rate over the last 5 fiscal years (6.3% a year), held between -5% and 15%. Years 6 to 10 grow halfway between that and the long-run rate of 2.5%. Future cash is discounted at 9% a year.

Bear: 5 points less growth, 2% long-run growth, 10% discount rate. Bull: 5 points more growth (at most 25%), 3% long-run growth, 8% discount rate.

Value per share = (present value of 10 years of free cash flow + present value of everything after + cash - debt) / diluted shares.

This is a model run on assumptions, not a recommendation or a price target. Small changes in the discount rate or growth move the result a lot, as the table above shows. Change them yourself in the calculator.

Adjust the assumptions

Move the sliders for growth, long-run growth and discount rate, or switch to average free cash flow, and see the value per share change.

Adjust the assumptions

Newmarket Corp company page