Premium domain name.
Several key factors that matter (and would for DTV.com):
Memorability / Acronym Value
“DTV” is already a known acronym (“Digital TV”) so it’s more valuable than random letters.
Brandability
It’s short, clean, easy to pronounce, type, remember.
History / Age
Registered since 1997 helps with credibility, possibly some SEO age, maybe backlinks, which can add value.
Market & Demand
How many companies want “DTV” as a brand/acronym? Probably many in media/tech. Also international interest (non-English speaking companies sometimes value short acronyms highly).
Comparable Letter Quality
Letters used matters: vowels vs consonants, certain letters are more “premium” in different markets, etc.
Negotiation & Use Case
If you have a buyer who can make good use of it (e.g. a streaming company, a TV brand, etc.), they may pay more.
Based on the above and comparing to recent similar domain sales:
Low end (if buyer interest is modest, or letters seen as “just generic / less premium”): USD $100,000 – $300,000
Mid range (good demand, good pitch / use case): USD $300,000 – $800,000
High end (strong brand interest, international buyer, strategic use, maybe tied to a big company): USD $800,000 – $2,000,000+
It would be unusual for a 3-letter .com of decent acronym recognition like DTV to sell for very low amounts.