The default answer used to be "PSA, always." The market has changed. BGS 9.5s trade above PSA 10s in some niches. SGC has reclaimed its vintage credibility. CGC has expanded into cards with a legitimate following. The right grading service depends on what you are submitting, who you are selling to, and what the pop report looks like.
This is a working comparison — not a theoretical one. All four services are used by serious collectors. Each has a case where it is the right call.
PSA (Professional Sports Authenticator)
PSA is the largest grading service by volume and the default market reference for most modern sports cards. A PSA grade is the most recognized across eBay, PWCC, and the major auction houses.
When PSA is the right call:
- Modern base cards and parallels where PSA 9/10 is the standard trading unit
- Any card where you plan to sell on eBay to the broadest possible audience
- High-population cards where PSA market data is deepest (more comps, less price ambiguity)
- Cards with a PSA-dominant population — if 90% of slabs are PSA, matching the market makes the comp cleaner
Turnaround: Highly variable by tier — economy tiers have run 6-18 months during high-demand periods. Express and above are faster but expensive.
Cost tiers: Economy (~$25-30/card depending on declared value), Value, Regular, Express, Super Express — scaling from weeks to days.
Resale premium: PSA 10 is the reference. On modern cards, a PSA 10 typically carries the highest raw premium of any service.
BGS (Beckett Grading Services)
BGS is the second-largest service and uses a subgrade system: centering, corners, edges, surface — each scored separately, composited into an overall grade. This specificity is why BGS 9.5 "Black Labels" (all subgrades at 9.5 or above) are among the most valuable slabs in the hobby.
When BGS is the right call:
- Near-perfect cards where the subgrade transparency confirms quality — BGS 9.5 with four 9.5 subgrades is more trusted than a PSA 10 because the detail is visible
- High-value vintage cards where BGS has strong market acceptance (especially baseball)
- Collector-focused pieces where the buyer cares about condition specifics more than brand recognition
- Cards in the BGS-dominant market segments — Prizm basketball, for instance, has strong BGS premium history
Turnaround: Similar tiered structure to PSA. Economy tiers have slowed during high-demand periods but generally faster than PSA economy.
Cost: Comparable to PSA across tiers.
Resale premium: BGS 9.5 trades above PSA 10 in specific niches. BGS 9 is typically below PSA 9. The subgrade system creates more price variance than PSA.
SGC (Sportscard Guaranty)
SGC went through a significant modernization in 2019-2020 and has re-established itself as the leading service for vintage cards. Its clean, display-friendly slab design has also attracted modern collectors who care about aesthetics. SGC uses a 100-point scale (SGC 100 = Mint) as well as the traditional 10-point scale.
When SGC is the right call:
- Vintage cards (pre-1980) where SGC has deep market history and collector trust
- Cards where turnaround speed matters more than maximum resale premium — SGC historically runs faster economy tiers than PSA/BGS
- Display-focused collectors who prefer the SGC slab aesthetic
- Niche modern markets where SGC is gaining ground (some vintage-style releases have shifted toward SGC)
Turnaround: Generally faster than PSA at comparable tiers during normal volume periods.
Cost: Slightly lower at entry tiers than PSA.
Resale premium: Strong for vintage; lower than PSA for modern cards in most categories. Check card-specific comps — the SGC premium is market-by-market.
CGC (Certified Guaranty Company)
CGC is best known for comics and has expanded into trading cards. Its card division (CGC Cards) has grown quickly, particularly among collectors who already trust the CGC ecosystem from comics.
When CGC is the right call:
- Crossover collectors who collect both comics and cards — the CGC brand trust transfers
- Specific markets where CGC has established credibility: TCG cards (Pokémon, Magic), some non-sport cards
- Experimental submissions where you want to test market reception outside the PSA/BGS duopoly
Turnaround: Variable; their card division is newer and volume spikes have affected turnaround unpredictably.
Cost: Competitive with other services at standard tiers.
Resale premium: Lower than PSA/BGS for mainstream sports cards; stronger in Pokémon and non-sport markets. Verify with sold comps before submitting.
Submission strategy: pop reports and tier selection
Before submitting any card, pull the pop report for that card on your target service. The pop report tells you:
- How many of the same card have been graded at each level
- Whether a PSA 10 is a common outcome (pop of 2,000) or rare (pop of 8)
- Whether the low-pop service (e.g., a vintage card submitted to SGC when most are PSA) creates a scarcity premium or just reduced liquidity
High-pop cards at PSA 10 (thousands of copies) have compressed premiums. If you have a near-perfect copy of a high-pop card, the ROI on grading may be negative. Check the math before you submit.
For the full pre-submission evaluation workflow — including bright-light inspection, centering measurement, and packing protocol — the grading prep system post covers it step by step.