Largest same-instant cluster
Updated
What is Largest same-instant cluster?
Largest same-instant cluster is a market-data metric BlackForge measures for every listed pair on nine spot exchanges, once per closed five-minute window. The biggest cluster of trades sharing one millisecond timestamp. It reports what the order book or trade tape showed, not what price will do next.
The facts
| Unit | count |
|---|---|
| Family | Trade timing |
| Key | atcMaxCluster |
| Quote-relative | No |
| Nullable | No |
| Plottable | Yes |
| Available from | Max plan |
Live across all nine venues
Largest same-instant cluster for BTC-USDT, as measured in the latest closed window on each venue. Observed . A venue with no reading for this window shows an em dash — nothing is invented.
| Venue | Symbol | Largest same-instant cluster |
|---|---|---|
| Binance | BTCUSDT | 161 |
| Bitget | BTCUSDT | 10 |
| Bybit | BTCUSDT | 25 |
| Coinbase | BTC-USDT | 0 |
| Gate | BTC_USDT | 7 |
| Kraken | BTCUSDT | 3 |
| Kucoin | BTC-USDT | 42 |
| Mexc | BTCUSDT | 6 |
| Okx | BTC-USDT | 98 |
Query it
Largest same-instant cluster is one field on the wide row /v1/latest returns for a pair. Set $BF to the API base and read it at .values.atcMaxCluster:
curl -H "x-api-key: $BLACKFORGE_API_KEY" \
"$BF/v1/latest?exchange=binance&symbol=BTCUSDT"
# read the value at: .values.atcMaxClusterRelated
When trades landed within the window and how they were spaced.
← All Trade timing and every other metric · Coverage by venue
What is Largest same-instant cluster?
Largest same-instant cluster is a market-data metric BlackForge measures for every listed pair on nine spot exchanges, once per closed five-minute window. The biggest cluster of trades sharing one millisecond timestamp. It reports what the order book or trade tape showed, not what price will do next.
How is Largest same-instant cluster measured?
BlackForge computes Largest same-instant cluster from each venue’s own order book and trades for every listed pair, once per closed five-minute window, and records it as count. The value is stored exactly as observed.
Which plan includes Largest same-instant cluster?
Largest same-instant cluster is available from the Max plan upward, and on pay-per-call over x402. See pricing for the full plan ladder.
Does Largest same-instant cluster predict where price will go?
No. Largest same-instant cluster is a measurement of what the order book or trade tape showed in the window. It carries no view on future price, and BlackForge scores nothing — every metric is a measurement, not a call.