Mirrored print pairs
Updated
What is Mirrored print pairs?
Mirrored print pairs is a market-data metric that BlackForge measures for every listed pair on the major spot exchanges, in real time. Pairs of opposite-side prints of nearly the same size (within 15%) printed within two seconds of each other. It reports what the order book or trade tape showed, not what price will do next.
The facts
| Unit | count |
|---|---|
| Family | Trade timing |
| Key | mirroredPairCount |
| Quote-relative | No |
| Nullable | Yes |
| Plottable | Yes |
| Available from | Max plan |
Live across every venue
Mirrored print pairs for BTC-USDT, as measured in the latest closed window on each venue. Observed . A venue with no reading for this window shows n/a. Nothing is invented.
| Venue | Symbol | Mirrored print pairs |
|---|---|---|
| Binance | BTCUSDT | 54 |
| Bitget | BTCUSDT | 4 |
| Bybit | BTCUSDT | 46 |
| Coinbase | BTC-USDT | 0 |
| Gate | BTC_USDT | 4 |
| Kraken | BTCUSDT | 0 |
| Kucoin | BTC-USDT | 1 |
| Mexc | BTCUSDT | 41 |
| Okx | BTC-USDT | 1 |
Query it
Mirrored print pairs is one field on the wide row /v1/latest returns for a pair. Set $BF to the API base and read it at .values.mirroredPairCount:
curl -H "x-api-key: $BLACKFORGE_API_KEY" \
"$BF/v1/latest?exchange=binance&symbol=BTCUSDT"
# read the value at: .values.mirroredPairCountRelated
When trades landed within the window and how they were spaced.
← All Trade timing and every other metric · Coverage by venue
What is Mirrored print pairs?
Mirrored print pairs is a market-data metric that BlackForge measures for every listed pair on the major spot exchanges, in real time. Pairs of opposite-side prints of nearly the same size (within 15%) printed within two seconds of each other. It reports what the order book or trade tape showed, not what price will do next.
How is Mirrored print pairs measured?
BlackForge computes Mirrored print pairs from each venue’s own order book and trades for every listed pair, in real time, and records it as count. The value is stored exactly as observed.
Which plan includes Mirrored print pairs?
Mirrored print pairs is available from the Max plan upward, and on pay-per-call over x402. See pricing for the full plan ladder.
Does Mirrored print pairs predict where price will go?
No. Mirrored print pairs 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.