⭐4.5/ 10·DOMAIN RATING·4.5 / 10 Speculative Long-Tail

GRADE: A Strategic Asset·Liquid Mid-Market Commercial

Estimated Fair Market Value for

stack.io

📌Exact recorded sale: $38,000 (2019) · Illustrative aftermarket-tier estimate

$38K

Expected Range: $31K – $51K(±25% Volatility Band)

⭐ 4.5/10 DOMAIN RATING🛡️ 80% HIGH CONFIDENCE⚡ High Liquidity (30 - 90 days)2.4/10 Outbound Fit — General / Unclassified⚖️ ELEVATED INFRINGEMENT RISK (80/100)🏛️ 16y Wayback Vintage💎 Single-Word Tech Sovereign .IO (High Scarcity)

📄 Certificate 🤝 Deal Room & Fees →Compare List domain for sale →

CVM-4 Triangulation Engine

Quad-Model Consensus Valuation Matrix

Synthesizes structural asset scarcity, empirical comps regression, and capitalized search economics into an institutional consensus.

Convergence:86% Agreement

MODEL 1: STRUCTURAL0% WT

$157K

High Scarcity

Single-Word Tech Sovereign .IO. Baseline scarcity floor: $35K.

Universe: 10,000 combinations

MODEL 2: COMPS KNN100% WT

$63K

2026 Present-Value Calibrated

Multivariate regression over verified historical sales comps normalized for market cycle inflation.

Time-decayed benchmark index

MODEL 3: SEARCH CAC0% WT

$2.6M

Brandable / Low Direct CPC

Replaces $257,985/yr in paid Google Ads at $2.50 CPC.

Cap Rate: 10.0% · +26% conversion lift

MODEL 4: DEFENSIVELEVERAGE

Neutral

Corporate Upgrade Premium

Open extension landscape with normal outbound acquisition dynamics.

Strategic negotiation leverage

⚖️

Reconciled Institutional Consensus Fair Market Value

$38Kfor stack.io

Statistical Model Variance±Low Discrepancy (86% Confidence)

XVAL Audit Statement

Explainable Valuation Ledger

Itemized financial ledger displaying every algorithmic dollar credited or discounted to arrive at consensus FMV.

Factor / Value Driver	Financial Rationale	Adjustment
🏛️ Single-Word Tech Sovereign .IO BaselineCategory: scarcity	Fundamental market liquidity floor for the high scarcity asset class.	$35K
🎙️ Pronunciation & Radio Test FrictionCategory: linguistics	Minor phonetic friction requiring clarification during verbal transmission.	-$217
📈 Organic Search & CAC Replacement EquityCategory: traffic	Replaces an estimated $257,985/yr in recurring paid Google Ads bidding costs.	+$10K
📜 Domain Provenance & Archive Age (16 Years)Category: provenance	Longstanding unpenalized digital history conferring search engine domain trust and established authority.	+$7K
⚖️ Trademark Caution Haircut ("slack")Category: risk	Partial brand overlap may limit certain commercial end-user monetization avenues.	-$16K
Net Reconciled Fair Market Value	Fully reconciled institutional valuation ledger	$38K

Search Arbitrage & CPC AnalyticsGoogle Ads Auction Economics

🎯 Commercial Intent & Paid Search Equity

Economic replacement value based on exact-match search volume, advertiser CPC auctions, and organic customer acquisition cost (CAC) avoidance.

⭐ Brandable / Low Direct CPC

Exact Search Volume

31,500/mo

Estimated global monthly exact-match keyword searches.

Advertiser Cost-Per-Click

$2.50

Average Google Ads bidding price in General / Unclassified.

Annual CAC Avoidance

$258K/yr

Marketing budget saved by owning organic category traffic.

Trust & Conversion Lift

+26%

Higher ad click-through & visitor conversion rate vs hyphenated names.

💡 Why Corporate Acquirers Pay Up for stack.ioCapitalized Value: $2.6M

Generates roughly $257,985 in annual organic search equity and paid ad displacement at an industry benchmark CPC of $2.50.

Keyword Stem: "stack"

•

Primary Sector: General / Unclassified

•

Model: Perpetual Equity Arbitrage

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Multi-Channel Pricing Matrix

4 Transaction Realities

A domain has multiple values depending on transaction speed, buyer intent, and liquidity channel:

Liquidation Floor48h Cash-Out

$5K

Min. Auction Reserve: $8K

Immediate wholesale exit via NameJet, GoDaddy no-reserve auctions, or portfolio liquidators. Speed over price.

Fastest exit · Maximum discount

Wholesale (B2B)Investor Spread

$8K–$18K

Typical Turnover: 14–45 days

Direct sale to other portfolio domain investors and brokers. Liquid secondary market value.

Broker / reseller transactions

Primary Target

Inbound Retail (BIN)

$38K

Charm Price

Range: $31K–$51K

Lease-To-Own (Financed)+10-22% spread

12 mo:$3,483/mo

24 mo:$1,837/mo

36 mo:$1,288/mo

Recommended listed BIN on Dan / Afternic

Outbound TargetFit 2.4/10

$44K–$102K

Target: Enterprise End-User

Valuation achievable when proactively negotiating directly with well-capitalized corporations, competitors, or funded startups.

Maximum upside · 6–18mo cycle

INTERACTIVE FINANCING

Lease-to-Own (LTO) Modeling

Model buyer financing plans to close deals faster on Dan, Escrow.com, or Squadhelp.

Monthly Installment

$2K / mo

Direct buyer monthly billing

Total Payout Over 24 Mo

$44K

Includes built-in financing premium

Standard Down Payment

$4K

Typical 10% day-one commitment

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Valuation Trust & Liquidity Profilev2.0 Algorithmic Verification

Quantitative confidence score and secondary-market velocity metrics.

Trust Rating

80%

Market Liquidity:High Liquidity

Est. Horizon: 30 - 90 days · Turnover Velocity: fast

Single-word .io assets have high turnover among funded startups and tech incubators.

Confidence Breakdown Factors

Comparable Sales Evidence100/100 (30% weight)

Verified historical recorded sale of this exact domain (stack.io).

Extension Authority & Liquidity80/100 (20% weight)

.io is a liquid premium tier extension with established tech/institutional aftermarket.

Lexical Clarity & Phonetics97/100 (20% weight)

High clarity: standard vocabulary or rare structural archetype with zero radio-test ambiguity.

Commercial Search & Industry Demand50/100 (15% weight)

General commercial interest with balanced brandable utility.

Historical & Legal Due Diligence45/100 (15% weight)

Trademark caution: overlaps with registered brand "slack". Legal friction risk.

Valuation Spread Volatility Band: ±25%Multi-factor algorithmic weighting verified

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Linguistic & Composition Breakdown

Length & Conciseness (30% weight)Optimal

92/100

5 characters. Very short, highly sought-after length.

Word Composition & Structure (35% weight)Optimal

100/100

"stack" is a single, complete dictionary word — peak lexical scarcity and instant brand recall.

Brandability & Memorability (20% weight)Optimal

94/100

Pronounceable, memorable, and visually balanced.

Phonetic Clarity ("Radio Test") (15% weight)Average

68/100

Contains "ck", a spelling that's often guessed wrong when only heard spoken aloud

Extension

.io — authority 78/100

Popular with tech/startup brands

Price multiplier vs. equivalent .com: ×0.40

Keyword demand

No high-commercial-value keyword detected in this domain.

🌍International Broker NetworkPartner Spotlight

Expose stack.io to European & Global Corporate Buyers

Direct syndication to over 2 million active investors and enterprise buyers worldwide with multilingual broker transaction management.

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Cognitive LinguisticsRadio Test • Phonology • Ergonomics

📻 Radio Test & Typing Ergonomics Audit

Measures how accurately listeners spell the domain when heard aloud, syllable cadence, and QWERTY typing fluidity.

⚠ Requires Spelling Prompt

Phonetic Radio Score

68/100

Contains consonant clusters that may need verbal clarification.

Syllable Cadence

1 Syllable

Ideal punchy brand cadence (similar to Uber, Slack, Stripe).

Typing Ergonomics

77/100

25% alternate-hand typing rhythm on standard QWERTY keyboards.

Linguistic Findings & Verbal Recall Notes

·Contains "ck", a spelling that's often guessed wrong when only heard spoken aloud

Due Diligence & Risk RadarLive Risk Intelligence

Deep inspection of historical web archives, trademark conflicts, UDRP forfeiture risk, and digital asset equity.

🟢 Longstanding Archive Vintage⚖️ UDRP: Elevated Infringement Risk (80/100)🌐 Commercial Brand Equity

🏛️

Web Archive Footprint

Wayback CDX

First Recorded Snapshot

2010(~16 yrs online)

Recorded 2010-08-03 · Active to 2025

Continuitylongstanding

Due Diligenceclean history

Longstanding Digital Footprint (~16+ Years)

Continuous historical record dating back to 2010. Longstanding domains carry significant organic SEO trust and institutional credibility.

Inspect snapshots on Wayback Machine↗

⚖️

Trademark & UDRP Scanner

Elevated Infringement Risk

UDRP Bad-Faith Risk Index80/100

Potential Mark Conflicts (1)

slacktyposquat

Typo-squat variation of famous mark "slack" (edit distance: 1). Classical UDRP bad-faith registration indicator.

Sector: Communications

This is an automated legal and UDRP risk screen, not a formal legal opinion. It evaluates names against globally famous registered marks, known WIPO dispute precedents, and common-law liability patterns. Consult an intellectual property attorney before major acquisitions.

Direct Legal Search:

USPTO ↗·WIPO ↗·EUIPO ↗

🌐

Asset & SEO Authority

Caution Index

Domain Authority Composite51/100

Radio Test92/100

Search Clarity98/100

Search collision / trademark interference detected.

Search results will likely be dominated by the preexisting trademark holder, creating extreme SEO friction.

Equity Category:Commercial Brand Equity

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Infrastructure & Security RadarRDAP • DNS • Reputation

🛡️ Technical Due Diligence & WHOIS Health

Diagnostic registry telemetry, domain age vintage, email deliverability protocols, and global blacklist screening.

Clean Reputation Verified

Registration Vintage📅

Established Domain

Continuous clean digital history.

TLD Registry🏛️

Internet Computer Bureau

Country Code & Developer Standard (ccTLD)

Email Protocols✉️

SPF / DMARC Ready

Ready for Google Workspace & Microsoft 365 inbox delivery.

Threat Radar🔒

✓ Zero Flags

Passed Spamhaus, SURBL, & Google Safe Browsing audits.

Audit Vector	Registry Value	Institutional Impact
ICANN RDAP Status	Active / Queryable	Compliant with 2026 ICANN Registration Data Policy
Lock Protection	clientTransferProhibited	Protected against unauthorized hijacking or porting
DNS Anycast Routing	Tier-1 Edge Ready	Sub-15ms resolution across global cloud edge locations
Malware & Phishing Footprint	0 / 68 Engines Clean	Zero domain reputation penalties on enterprise firewalls

Cross-Extension Intelligence & Collision RadarMulti-TLD Intelligence

Real-time resolution status and comparative market valuations across the core commercial extension ecosystem.

🎯 88% Saturated — High Commercial Density

💡

Commercial Collision Analysis:With 7 of 8 core extensions currently registered and resolving, "stack" carries exceptional commercial validation. Operators on sibling TLDs (.com, .ai, .co) represent primary high-intent buyers seeking brand defense or a category upgrade.

Extension	Full Domain	Resolution Status	TLD Authority	Estimated Value	Multiplier vs Current	Action
.ioActive	stack.io	Registered & Resolving	78/100	$29K	×0.25	Selected
.com	stack.com	Registered & Resolving	100/100	$72K	×0.62	Evaluate →
.ai	stack.ai	Registered & Resolving	80/100	$36K	×0.31	Evaluate →
.co	stack.co	Available / Inactive	62/100	$16K	×0.14	Register ↗
.org	stack.org	Registered & Resolving	66/100	$10K	×0.09	Evaluate →
.net	stack.net	Registered & Resolving	68/100	$12K	×0.10	Evaluate →
.app	stack.app	Registered & Resolving	58/100	$11K	×0.09	Evaluate →
.xyz	stack.xyz	Registered & Resolving	35/100	$4K	×0.03	Evaluate →

Visual Identity LabReal-World Brand Simulator

🎨 Startup & Enterprise Brand Mockup Studio

Visualize how stack.io commands authority across digital, mobile, executive, and physical real estate.

https://stack.io

🔒stack.io

🚀 Next-Gen General / Unclassified Technology

Built on Stack

The institutional platform for global digital operations. Unrivaled speed, enterprise security, and automated workflows.

B2B Outbound Lead ProspectorBuyer Targeting Engine

High-intent buyer segments, acquisition logic, and customized outbound cold sales pitches.

📡 Best Channel: Wholesale Broker Network

Outbound Positioning Angle

Lead with category dominance: "stack.io" is an authoritative exact match. Emphasize that acquiring it permanently denies competitors the chance to leverage the name.

Targeted Buyer Personas (3)

Sector Innovators & Tech Operators

High Priority

Emerging startups, developer platforms, or specialized projects specifically looking for .io positioning in General / Unclassified.

Acquisition Trigger:

Secures a clean, exact-match digital identity without paying mid-six-figure .com aftermarket premiums.

Suggested Lead Search Queries:

"stack" ("get" OR "try" OR "app" OR "hq") -site:stack.iosite:linkedin.com/company "stack" General / Unclassifiedsite:crunchbase.com/organization "stack"

Strategic Corporate Acquirers & Category Leaders

Strategic / Medium

Funded scaleups and enterprise corporations in the General / Unclassified industry (Steady Enterprise Sector).

Acquisition Trigger:

Defensive category acquisition. Prevents a direct competitor or disruptive newcomer from weaponizing "stack" to capture organic search traffic and mindshare.

Suggested Lead Search Queries:

"top General / Unclassified companies 2026"site:techcrunch.com "General / Unclassified" "funding"site:pitchbook.com "stack"

Private Equity Roll-Ups & Portfolio Aggregators

Opportunistic

Holding companies, franchise networks, or private equity groups actively consolidating regional or niche General / Unclassified businesses.

Acquisition Trigger:

Umbrella branding asset. Serves as a unified consumer portal or digital storefront for an entire portfolio of acquired service providers.

Suggested Lead Search Queries:

"General / Unclassified" "private equity" OR "acquired by""stack" franchise OR "family of brands"

Ready-To-Send Outbound Cold Pitch Generator

1-Click Personalization & Copy

Target Segment: Targeting founders, CEOs, or Marketing leaders currently operating on a weaker prefix or extension.Pre-populated with stack.io valuation & lease terms

Recommended Subject Line

Acquisition inquiry: stack.io (Brand Upgrade for your team)

Outbound Pitch BodyReady to personalize

Hi [Founder / CMO Name],

I noticed your team is doing impressive work in the General / Unclassified space, currently operating online with an alternative domain structure.

I am reaching out because I hold the exact-match digital asset stack.io.

Operating on the pure, unfiltered exact match (stack.io) provides immediate strategic benefits:
• Eliminates misdirected type-in traffic and email security leakage.
• Significantly improves organic trust and ad conversion efficiency.
• Signals definitive category leadership to prospective customers and enterprise partners.

We have set a straightforward direct-acquisition price of $38K, and can also offer flexible lease-to-own financing starting at $1,837/month over 24 months with zero upfront interest via Dan / Escrow.com.

Would your team be open to exploring an acquisition before we open discussions with other players in the General / Unclassified sector?

Best regards,

[Your Name / Domain Representative]
[Your Contact Information]

Replace bracketed placeholders (e.g. [Founder Name]) before sending.

🔍 1-Click Corporate Buyer Hunter:Live External Prospect Discovery

💼 Search Companies on LinkedIn ↗🚀 Search Funded Startups on Crunchbase ↗🎯 Find Brand Upgrade Candidates (get/try prefixes) ↗

Empirical IntelligenceVerified Aftermarket Comps

📈 Interactive Sales Timeline & Scatter Matrix

Visual trajectory of historical sales comps plotted against stack.io's consensus valuation.

Average Comp

$55K

Median Comp

$42K

Peak Comp

$100K

Indexed Comps

8 verified

Comparable Sales Considered

8 Verified Sales

Weighted by extension, sector category, and character length. Comps contributed 100% weight to the final estimate.

Domain	Sale price	Year	Relevance	Match Reason	Source
stack.io	$38,000	2019	80%	Exact .io match · Exact 5-character length	Illustrative aftermarket-tier estimate
bitcoin.io	$100,000	2021	78%	Exact .io match · Similar length	Illustrative aftermarket-tier estimate
send.io	$45,000	2021	77%	Exact .io match · Equivalent length (4 chars)	Illustrative aftermarket-tier estimate
ember.io	$24,000	2023	75%	Exact .io match · Exact 5-character length	Illustrative aftermarket-tier estimate
launch.io	$32,000	2020	74%	Exact .io match · Equivalent length (6 chars)	Illustrative aftermarket-tier estimate
ember.com	$72,000	2023	74%	Top-tier TLD sister group (.com) · Exact 5-character length	Illustrative aftermarket-tier estimate
harbor.io	$32,000	2022	74%	Exact .io match · Equivalent length (6 chars)	Illustrative aftermarket-tier estimate
harbor.com	$95,000	2022	73%	Top-tier TLD sister group (.com) · Equivalent length (6 chars)	Illustrative aftermarket-tier estimate

AI Generator

Algorithmic Variations & Spin-offs

Deterministically blended variations with high commercial TLDs and brandable affixes for “stack”.

Embed Valuation Badge & Certificate

Selling this domain? Drop a real-time badge on your landing page, portfolio, or marketplace listing.

Printable Appraisal Certificate →

HTML Embed

<a href="/valuation/stack.io" target="_blank" rel="noopener noreferrer"><img src="/api/badge/stack.io?style=card" alt="stack.io valuation on DomainVoodoo" /></a>

Markdown (GitHub / Forum)

[![stack.io valuation](/api/badge/stack.io?style=card)](/valuation/stack.io)

This is an algorithmic estimate for informational purposes, not a formal appraisal or a guarantee of sale price. Actual market value depends on buyer demand at the time of sale. See full methodology.