> For the complete documentation index, see [llms.txt](https://docs.tachyo.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tachyo.ai/concepts/wallet-tiers.md).

# Wallet tiers: S, A, B, C

Every wallet Tachyo has enough history on carries a tier. The tier is the platform's whole vocabulary: it colours the holder list, filters the feed, ranks the leaderboard and decides which wallets are worth an alert.

| Tier        | Name in the product | What it means                                                                                     |
| ----------- | ------------------- | ------------------------------------------------------------------------------------------------- |
| **S**       | Most Profitable     | The top band. Rare, consistently profitable wallets, surfaced by a model that recomputes nightly. |
| **A**       | Highly Profitable   | Strong, repeatable results, below S but still clearly on the right side.                          |
| **B**       | Profitable          | Positive track record without the consistency of A.                                               |
| **C**       | Weakest             | The crowd. Statistically the wallets that buy the local top.                                      |
| **unrated** | Not yet rated       | Not enough closed trading history to make a claim.                                                |

## Tiers are earned, not assigned

Nobody types these letters in. They come out of the track record: closed trades, realized results, behaviour over time, recomputed every night across hundreds of thousands of wallets, with the model behind the top of the ladder retrained weekly.

That also means a tier is a **statement about the past that is being kept current**, not a permanent title. Wallets move. A wallet that stops performing drifts down at the next recompute.

<figure><img src="/files/xQQLj7BPHgQwKVSXFkpR" alt=""><figcaption></figcaption></figure>

## "unrated" is a real answer

The most important letter is the one that is missing.

A wallet needs a meaningful number of **closed** trades before Tachyo will rate it at all: roughly five is the floor, and confidence keeps climbing until about twenty-five. Below that it stays **unrated** rather than getting a flattering guess.

One big win next to four nothing trades is not skill. It is a small sample wearing a costume. The score means something precisely because we refuse to pretend when the data is thin.

{% hint style="info" %}
**unrated ≠ bad.** It means unmeasured. A brand-new wallet, a wallet that only ever received tokens, and a wallet that trades somewhere we do not have history all land in the same bucket for different reasons. Read it as "no claim", not as a low score.
{% endhint %}

You will also see two neighbouring states in the product, and they are not the same thing:

* **"Outside the hourly scan, not yet rated"**: the wallet has not come up for rating yet.
* **"Rating service did not answer. Unknown, not unrated."**: a component failed. Unknown is a failure to measure, and the product says so rather than showing you a zero.

## Thin data cannot produce an S

The scoring cascade is deliberately asymmetric. Wallets with full history can reach any tier. Wallets whose evidence is shallower are **capped below S**: they can be rated A, B or C, but the top band is reserved for wallets we can actually stand behind.

This is why an S-tier holder count is worth reading closely, and why a token can have plenty of "smart" activity without a single S wallet in it.

## Where tiers show up

* [Leaderboard](/platform/leaderboard.md): filter and rank by tier.
* [The token page](/platform/token-page.md): the tier mix of the holder base, which is the fastest read on who is on the other side of your trade.
* [Live Feed](/platform/feed.md): filter events down to S and A when it gets loud.
* [Watchlist](/platform/watchlist.md): alerts fire on scored wallets, not on everything that moves.

Next: [Scoring is per chain](/concepts/per-chain-scoring.md), why one wallet can be S in one place and mediocre in another.


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