Domain Valuation
sigma.io
$400 – $2,300
Estimated market value · Midpoint $1,000
Comparables used
1,000
TLD
.io
Length
5 chars
Percentile (this TLD)
Top 0%
How we estimated this
We pulled real historical sales matching .io • 4-6 chars • clean from our database of 398,000+ domain transactions (NameBio, 1999–2026). The estimate represents the 25th–75th percentile of those 1,000 comparable sales — no AI guessing, just real market data.
Recent comparable sales
| Domain | Price | Date |
|---|---|---|
| sigma.io | $100,000 | 2025-09-21 |
| signac.io | $1,125 | 2025-09-11 |
| cosign.io | $360 | 2017-09-09 |
| omail.io | $3,038 | 2026-04-10 |
| tight.io | $2,026 | 2026-01-31 |
Want a deeper valuation?
Our AI-powered Pro Report adds keyword demand, brandability scoring, trademark risk, and pricing strategy — built for serious domain investors.
- 11-dimension valuation rubric
- Real-time keyword search volume (DataForSEO)
- USPTO trademark check
- Pricing recommendations (asking, reserve, auction start)