Chrome Spot Lab reads the price of a break spot against a modeled fair proxy and gives you a calm one-word band — Strong, Fair, Pricey, or Review. It is a value-screening read, not a promise: the model tells you where a listed price sits relative to comparable breaks, and you make the call.
Orientation
What you are actually doing
- Pick a set or a team. Start from Market to screen everything at once, or a player or set page if you arrived from a search.
- Read the band. Each spot carries a colour band for how its listed price compares to our fair proxy — a quick read for whether the ask and the modeled value line up.
- Open the break, or screen the table. On Live Breaks, open a specific break happening now. On Market, sort and filter the full table to build your own short list.
- Get the feel risk-free. New to breaks? The Break Game lets you pick team spots with paper money and see how it plays out — no real money, just practice.
- Cross-check reality. Player tiers, hype, and live comps still live outside this tool. The band is a starting read, not the last word.
Buyers screen spots before buying in; breakers audit their own room-level pricing against the market. Both work off the same captured data — same read, sliced for the job.
The four bands
A band summarises the value signal — our fair proxy divided by the listed price. It is a read on price-vs-value tension, not a pull rate or a guarantee.
- Strong
- The fair proxy sits well above the listed price. Worth a closer look.
- Fair
- Listed price and fair proxy roughly agree. Priced about where the model expects.
- Pricey
- The listed price sits above the fair proxy. Appears pricey against our current read.
- Review
- Not enough modeled coverage to band this spot yet — read it as "we are still gathering data," not "good" or "bad."
Where to find each read
- Market
- Screen the whole market — every team spot, across rooms and formats, with the cross-room average beside our fair proxy. Start here to compare.
- Live Breaks
- Act on a specific live break tonight. Each card joins an active break to the model and flags the best-value team in it.
- Players
- A per-player read: the team's fair proxy, where that player shows up in breaks, and the best room for them right now.
- Set Trends
- How long a set holds its primary-market strength after release. A verdict is withheld until a set has at least 30 days of tracked history.
- Break Game
- Practice the feel of picking team spots with paper money — no real money, no account required to try.
Model in the open
How a read is built
One completed break spot, with the full math — and what actually happened.
- The spot
- SlabStox · 2026 Bowman Baseball · Hobby Jumbo PYT · Atlanta Braves. Listed at $115 against a modeled fair proxy of $212.67 — banded Strong.
- The comps that anchored it
- Atlanta Braves Hobby Jumbo spots that cleared the same week: Throne Sports Cards $129, Dave & Adam's $135, BBCE $125, Jaspy's $119.
- The format adjustment
- Hobby Jumbo boxes carry roughly 7× the chrome prospect autograph exposure of a standard Hobby box, per published pack odds. The model scales the checklist-weighted exposure by that format multiplier before deriving the per-team fair proxy.
- The honest outcome
- Across four other Hobby Jumbo rooms that week, Braves spots moved at $119–$135 — all below the proxy, all gone quickly. The directional call was correct: the spot looked attractively priced, and the market agreed. The proxy did not predict the exact clearing price, and it does not try to.
What the model cannot see
- Bands are not odds. They summarise price-vs-value tension, not pull rates.
- The exact card you will pull. The proxy values a team spot's modeled exposure, not the specific hit.
- Live hype and condition. A breaking-news prospect or a chase parallel can move a room faster than any daily snapshot.
- Every room. We read the rooms we capture. A "Review" band usually means thin coverage, not a verdict.
Want the formulas? What each column calculates spells out every metric in plain language.