CSG SYSTEMS INTERNATIONAL, INC. (CSGS): what the price requires

At today's price, CSG SYSTEMS INTERNATIONAL, INC. (CSGS) is priced for +6.5% growth. boothcheck doesn't publish a fair value or a price target; it shows what the price assumes, so you can judge whether that bar is too high.

Generated: 2026-07-19 · Source: https://boothcheck.com/report/CSGS

Headline

FieldValue
TickerCSGS
CompanyCSG SYSTEMS INTERNATIONAL, INC.
Current price$80.70/sh
CompositionSaaS and related solutions 90% / Software and services 6% / Maintenance 4%

What The Price Requires (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

FieldValue
Inversion basiswhole-company
Operating margin needed6.0%
Operating margin today10.3%
Margin compression implied-4.3pp
Implied growth6.5%
Multiple paid22x operating income

The operating-margin requirement is derived from the framework's value band at year 12, a separately labeled basis from the headline growth/duration solve.

Solve inputs: computed at a 7.5% cost of capital with 4% terminal growth over a 5-year stage; each 1pp of cost of capital moves the implied operating-profit growth ~7.8pp.

Reconcile: at the x-ray's 9.3% required return this reads ~19.2%/yr; the models below use their own rates.

How unusual the bet is: within-range

ReferenceValue
vs own history+0.08σ
cohort percentile (of 178 peers)40
implied end-window share0%

Valuation X-Ray

The price is justified by relative-multiple and growth-DCF; asset-based/earnings-power land below the price.

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

FamilyMedian price/FVModelsReads
Asset3.39x5expensive
Earnings3.33x4expensive
Relative0.83x3justifies
Growth1.17x4expensive

Families that justify the price: Relative, Growth Families that call it expensive: Asset, Earnings

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 8.2%); the inversion above states its own rate.

Per-Model Detail (n=16)

ModelFamilyFVPrice/FVApplicableMethodology
DCF Perpetual GrowthGrowth$78.191.03xyesFCF base $0.1B, growth 3% (input: historical growth), terminal g 3.0%, WACC 8.2%, 5yr projection
DCF Exit MultipleGrowth$81.730.99xyesExit EV/EBITDA: 19.4x / 21.4x / 23.4x (bear / base = today's held flat / bull), 5yr
Relative ValuationRelative$88.070.92xyesP/E 35x (static sector reference · 2026-04), scenarios: 29.4x / 35.0x / 40.6x (bear / base = reference held flat / bull), EV/EBITDA 25x
Simple DDMGrowthno
Two-Stage DDMGrowth$26.893.00xyesStage 1: -8% for 5yr, Stage 2: 3.5% perpetual
Simple Excess ReturnAsset$23.823.39xyesBV/sh $10.18, ROE (TTM) 21.7%, ke 9.3%
Two-Stage Excess ReturnAsset$36.212.23xyes5yr excess ROE then converge to ke=9.3%
Discounted Future Market CapGrowth$61.691.31xyesRev $1.2B, growth 3% (input: historical growth; tapered), Terminal P/S: 1.6x / 1.9x / 2.2x (bear / base = today's held flat / bull, cap 8x)
Growth-Adjusted P/ERelativeno
Margin TrajectoryGrowthno
Earnings Power ValueEarnings$24.323.32xyesNormalized EBIT (5y avg op income, one-time charges added back) $0.12B × (1−26%) / WACC 8.2% → EPV (no growth)
Residual IncomeAsset$34.172.36xyesBV $10.18 + 5yr PV of (ROE (TTM) 21.7% − Kₑ 9.3%) × BV; BV grows 8.8%/yr
Graham NumberAsset$22.653.56xyes√(22.5 × EPS $2.24 × BVPS $10.18) — Graham's conservative floor
EV/EBITDA RelativeRelative$96.680.83xyesEBITDA $0.13B × sector EV/EBITDA 25.0x
FCF YieldEarnings$34.702.33xyesFCF $131.4M / Kₑ 9.3% — zero-growth perpetuity
SBC-Adj FCF YieldEarnings$18.364.40xyesSBC-adj FCF $0.09B (FCF $0.13B − SBC $0.04B) capitalized at Kₑ
Ben Graham FormulaEarnings$1.8842.93xyesEPS $2.24 × (8.5 + 2×-5.0%) × (4.4 / 5.3%) (excluded from median)
ROIC-Justified P/BAsset$4.5417.78xyesBV $10.18 × (ROIC 3.6% / WACC 8.2%)
P/Sales SectorRelative$342.750.24xyesRevenue $1.24B × sector P/S 8.0x
PEG Fair ValueRelativeno
Earnings YieldEarnings$24.223.33xyesEPS $2.24 / required return 9.3% (Rf 4.3% + ERP 5.0%)
Funds From Operations MultipleRelativeno
Clinical Phase NPVGrowthno
MertonAssetno
V5 Mechanicalno

Solvency

FieldValue
Net debt$404.6m
Net debt / NOPAT (after-tax)4.38x
Net debt / operating income (pre-tax)3.24x
Share count CAGR (buyback)-2.4%
Burning cashno

Interest expense is not separately reported in the latest filings, so interest coverage cannot be computed.

Bullet Takeaways

Bull Case

CSG sells something its customers cannot easily switch off. Its software sits at the center of how communications operators bill and manage their subscribers, the system that generates the invoice, processes the payment, and tracks the account, and once it is embedded in an operator's operations it tends to stay there for decades. The 10-K describes a customer roster of "leading CSPs like Charter, Comcast, MTN, Airtel Africa, DISH, Mobily, Verizon, AT&T, American Movil, and Telstra," the kind of mission-critical relationships that produce recurring, predictable revenue. A substantial share of that revenue runs through the company's private cloud billing platform, which the filing identifies as its Advanced Convergent Platform, exactly the recurring SaaS base that the market prizes.

The company has spent years reducing its dependence on cable and telecom, and it is working. Revenue grew 4.8% in the first quarter of 2026, with the growth attributed to its SaaS and related solutions, and management has steadily diversified the customer base into financial services, retail, and other industries, working outside the communications space with customers it names including "JP Morgan Chase, Walgreens, and Formula 1, and approximately 163,000 active merchants." A billing-and-payments platform that started in cable is becoming a broader transaction-management business, which is the more durable version of the company.

Capital return has been the steady reward for owning it. CSG has raised its dividend for thirteen consecutive years and buys back its stock, repurchasing shares under a publicly announced program. But the bull case now has a simpler and harder floor under it: NEC Corporation agreed to acquire the company, shareholders approved the transaction, and the share price reflects the agreed deal terms. For a current holder, the upside is no longer about how fast the SaaS business compounds; it is that a signed, shareholder-approved acquisition is carrying the stock toward a defined value, with the operating business performing well underneath it.

Bear Case

The central risk now is the deal itself. With the share price sitting at the agreed acquisition consideration, the dominant question for a holder is binary: does the NEC transaction close as planned, or does it slip or break. A cross-border acquisition of a U.S. software company that holds the billing data of major American communications carriers can draw regulatory and national-security review, and any deal carries timing risk and conditions that must be satisfied before it closes. If the transaction were to fall through, the stock would no longer have the deal price holding it up and would re-rate to whatever the standalone business is worth, which the standard methods place across a wide range, some of them well below the current price.

Underneath the deal, the standalone business has real concentration risk. CSG states plainly that "A large percentage of our revenue is generated from a limited number of customers in the global communications" industry, and its two largest, Charter and Comcast, are cable operators in a maturing, slow-growth end market that is itself losing video subscribers. When a handful of customers in a shrinking industry drive much of the revenue, a single contract renegotiation or loss is material, and the diversification into non-telecom industries, while real, is still the minority of the business rather than the majority.

The growth profile is modest, which is the tension that made an acquisition the logical outcome. Single-digit revenue growth and operating margins around 11% describe a healthy, mature software-services company, not a fast compounder, and the methods that capitalize its trailing earnings or value it on its asset base land well below the price. The balance sheet is sound rather than fortress-like, with roughly $359 million more debt than cash, a manageable load against the company's cash generation but not the net-cash cushion of a richer software name. The bear case is straightforward: if the deal closes, the operating risks are NEC's problem; if it does not, a holder is left owning a slow-growth, customer-concentrated billing company at a price the standalone fundamentals do not fully support.

Valuation

The honest way to read CSG's price is that the market is not valuing the business right now; it is pricing a pending acquisition. NEC agreed to buy the company, shareholders approved the deal, and the share price sits at the agreed consideration while the transaction proceeds toward an expected close by the end of 2026. Whatever the underlying business is worth, the quote is anchored to the deal terms, and the usual question of what growth the price assumes is largely replaced by the question of whether the deal closes.

Set against the standalone business, the methods are unusually consistent with a mature, cash-generative software-services company. The forward cash-flow methods and the peer-multiple lens land at or above the current price, which is to say the deal price is broadly in the range those frames support for a steady compounder; the methods that value the company on its book value or capitalize its trailing earnings land below, which is what one expects for a business whose worth is in its recurring cash generation rather than its balance sheet. The pattern is not the stretched premium of a richly valued growth stock; it is a price that the cash-flow and relative methods can reach, which is part of why a strategic acquirer was willing to pay it.

What a current holder is underwriting, then, is deal completion more than business performance. The solvency picture supports the standalone company comfortably either way: CSG generates around $250 million of free cash flow, carries about $359 million of net debt against that cash generation, is not burning cash, and has been retiring its own shares while raising its dividend for over a decade. None of that is the binding constraint here. The single assumption the price rests on is the one the merger introduced: that the NEC acquisition closes on the agreed terms. If it does, the standalone valuation debate is moot; if it does not, the methods that sit below the current price describe where a standalone CSG would likely trade.

Catalysts

The defining event is the acquisition. CSG entered a merger agreement with NEC Corporation in late October 2025, stockholders approved the transaction at the end of January 2026, and the deal is expected to close by the end of 2026. That timeline, and the regulatory clearances along the way, is the single most important thing for the stock, because the price already reflects the agreed terms.

Operationally, the business kept performing into the deal. First-quarter 2026 revenue rose 4.8% to $313.7 million, with GAAP earnings per share climbing to $0.83 from $0.57 a year earlier and the GAAP operating margin widening to 11.2% from 9.8%, the improvement driven by growth in the SaaS platform. The company also continued to broaden its base, extending a decades-long partnership with Mediacom and signing multi-year contracts with operators including Liberty Latin America and PLDT.

Capital return continued on its established cadence. CSG declared its dividend for what is now a thirteen-year streak of annual increases and kept repurchasing shares under its buyback program. For a stock trading on deal-close mechanics, these are confirmations that the underlying business remains healthy while the acquisition proceeds, rather than independent catalysts likely to move the price away from the agreed consideration.

Peer Cohorts (Per Segment, With Filing Citations)

CSG Systems (single reportable segment) (reported)

Methodology Note

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.

View the full interactive CSGS report on boothcheck