Sell trade average size
Updated
What is Sell trade average size?
Sell trade average size is a market-data metric BlackForge measures for every listed pair on nine spot exchanges, once per closed five-minute window. Average size of taker-sell trades in base coin units. It reports what the order book or trade tape showed, not what price will do next.
The facts
| Unit | base |
|---|---|
| Family | Trade flow |
| Key | sellTradeSizeAvg |
| Quote-relative | No |
| Nullable | No |
| Plottable | Yes |
| Available from | Free plan |
Live across all nine venues
Sell trade average size 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 | Sell trade average size |
|---|---|---|
| Binance | BTCUSDT | 0.00470308 |
| Bitget | BTCUSDT | 0.0104 |
| Bybit | BTCUSDT | 0.00598202 |
| Coinbase | BTC-USDT | 0.00005298 |
| Gate | BTC_USDT | 0.0772 |
| Kraken | BTCUSDT | 0.00032312 |
| Kucoin | BTC-USDT | 0.00554129 |
| Mexc | BTCUSDT | 0.0172 |
| Okx | BTC-USDT | 0.0239 |
Query it
Sell trade average size is one field on the wide row /v1/latest returns for a pair. Set $BF to the API base and read it at .values.sellTradeSizeAvg:
curl -H "x-api-key: $BLACKFORGE_API_KEY" \
"$BF/v1/latest?exchange=binance&symbol=BTCUSDT"
# read the value at: .values.sellTradeSizeAvgRelated
What actually traded: taker buy versus sell volume, counts, average sizes and prices.
Defined in the glossary: Taker buy and sell volume.
← All Trade flow and every other metric · Coverage by venue
What is Sell trade average size?
Sell trade average size is a market-data metric BlackForge measures for every listed pair on nine spot exchanges, once per closed five-minute window. Average size of taker-sell trades in base coin units. It reports what the order book or trade tape showed, not what price will do next.
How is Sell trade average size measured?
BlackForge computes Sell trade average size from each venue’s own order book and trades for every listed pair, once per closed five-minute window, and records it as base. The value is stored exactly as observed.
Which plan includes Sell trade average size?
Sell trade average size is available from the Free plan upward, and on pay-per-call over x402. See pricing for the full plan ladder.
Does Sell trade average size predict where price will go?
No. Sell trade average size 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.