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Bathymark

how we read the water

Methodology

The honest version. What the numbers are, where they come from, and the limits we will not paper over.

A brass sextant: the instrument for taking a bearing before satellites. We read liquidity in the same spirit, one honest measurement at a time.
A brass sextant: the instrument for taking a bearing before satellites. We read liquidity in the same spirit, one honest measurement at a time.Alexander Mass·Pexels License·Pexels

Where the data comes from

Bathymark is built entirely on open data. Liquidity, protocol, chain and stablecoin figures come from the open DeFiLlama API, which is free and keyless. Ethereum block height comes from a public RPC. We do not resell or re-serve anyone's feed; we read public numbers and render our own readings on top of them.

The Almanac widens the same open-data approach to the whole market. Sentiment comes from the Fear & Greed Index; Bitcoin network figures, hashrate, difficulty and the halving clock, from blockchain.com; market cap, dominance and prices from CoinPaprika; mempool fees from mempool.space; and the gold price from gold-api.com. The valuation models (Mayer, Pi Cycle, Puell, the log-trend band) and the calendar and lunar readings are computed from those public numbers and pure date math. All free, all keyless.

The daily Almanac reading is written by a language model when one is configured, and by a deterministic engine otherwise. The open-data numbers are always the floor; the model only changes the phrasing, never the facts. The esoterica, the moon, Mercury, and day-of-week and monthly seasonality, is real data with folklore meaning. We label it as folklore, never as a signal.

We deliberately avoid building on proprietary, paywalled intelligence feeds. The point is that a careful reading of open data, done well, is worth more than access nobody else has.

Bathymetry maps the seafloor as depth. Bathymark maps liquidity the same way: deep water is safe water.
Bathymetry maps the seafloor as depth. Bathymark maps liquidity the same way: deep water is safe water.cottonbro studio·Pexels License·Pexels

How a reading is made

A reading in The Current is a plain-language observation derived from a real change in the data. We rank by the dollars that actually moved rather than the loudest percentage, so a quiet shift on a deep venue outranks a noisy spike on a tiny one. Every reading links straight to the entity it describes, so the number is always one click from verifiable.

What we will not pretend

TVL can rise because new capital arrived, or simply because the price of the assets already locked went up. A stablecoin can wobble a cent on thin weekend liquidity without anything being wrong. We surface what moved; we do not claim to know why, and we say so on the page. Where a signal type has a known blind spot, the signal page names it.

Not financial advice

Nothing here is financial advice, a recommendation, or a solicitation to buy or sell anything. Readings are information about what is happening on-chain, nothing more. Crypto is volatile and you can lose everything. Do your own research, and never sail on a single instrument.