No hidden
ingredients.
The activity index describes observed activity on one venue. It does not rank investment safety, forecast returns or describe all exchanges.
The four inputs.
| Input | Weight | Mapping to 0–100 |
|---|---|---|
| Absolute UTC move | 35% | abs(last / UTC open − 1) / 0.12 × 100 |
| 24h range | 25% | (high / low − 1) / 0.20 × 100 |
| 24h USD turnover | 25% | (log10(max(volume × VWAP, 1)) − 5) / 4 × 100 |
| 24h trade count | 15% | log10(max(trades, 1)) / 5 × 100 |
Each component is clamped to 0–100. Available weighted inputs are summed and divided by their available weight. Coverage shows how much original weight was available. A missing input is not replaced with zero. An index with no inputs is unavailable.
The state has a trigger.
Priority order: Wide spread when bid/ask gap is at least 0.5%. Otherwise Watch when 24h range is at least 12% or absolute UTC move is at least 8%. Otherwise Moving when absolute UTC move is at least 2% or range is at least 5%. Otherwise Quiet. Quiet does not mean safe.
A size check is a snapshot.
The service walks up to 100 returned price levels on Kraken, from best price outward. For a buy it consumes asks; for a sell it consumes bids. Each level contributes min(remaining quantity, available quantity) × price. Reference VWAP is total value / covered quantity. Uncovered quantity remains visible. Slippage compares that average with the best returned price; fees and later changes are excluded. No order is submitted.
Addresses need a chain.
The DEX lookup accepts an explicit supported chain and token address. Only matching base-token pools on that chain are used. Up to 30 returned pools are shown, ordered by reported USD liquidity. Summed liquidity and the largest-pool share describe that returned sample, not the entire network. Unknown liquidity, holders and contract permissions stay unknown. A scan is not a security audit or sellability check.
Robinhood Chain scans only registered stock-token contracts from the issuer registry. Token price equals the raw issuer midpoint multiplied by current shares per token. Supply is read at a fixed chain block. DEX volume and holder distribution are not inferred.
Sources, times and limits.
- Kraken public API: USD spot quotes, 24h fields, OHLC and order-book levels. The UTC open is not a trailing 24h open. The last 15-minute candle can still be open.
- DEX Screener API: token-pair samples with price, liquidity, volume and pair creation time.
- Robinhood Chain: issuer registration and public chain RPC for registered tokens.
Quotes cache for 20 seconds, candles 45 seconds, pool scans 30 seconds and order books 5 seconds. Refresh uses the same bounded caches. Read time is the retrieval time, not an exchange trade timestamp. Provider failure displays a retry state.
Your research stays private.
Stars, up to 20 observations and 30 editable notes are stored on the server under a random browser access key. Anyone with that key can access the workspace. Keep it and a signed backup before clearing browser storage. This is not end-to-end encryption; the server operator can access stored data. Saved observations retain their original source record; saving fetches provider data again. No email recovery.
QELV
No QELV token contract has been published. The research website is usable independently. Qelvane is an independent project, not affiliated with its data providers or Robinhood.