Fear and greed index
Updated
What is Fear and greed index?
Fear and greed index is a market-data metric BlackForge measures for every listed pair on nine spot exchanges, once per closed five-minute window. The market-wide crypto fear and greed reading. It reports what the order book or trade tape showed, not what price will do next.
The facts
| Unit | index |
|---|---|
| Family | Market context |
| Key | fearGreed |
| Quote-relative | No |
| Nullable | Yes |
| Plottable | Yes |
| Available from | Max plan |
Live across all nine venues
Fear and greed index 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 | Fear and greed index |
|---|---|---|
| Binance | BTCUSDT | 71 |
| Bitget | BTCUSDT | 71 |
| Bybit | BTCUSDT | 71 |
| Coinbase | BTC-USDT | 71 |
| Gate | BTC_USDT | 71 |
| Kraken | BTCUSDT | 71 |
| Kucoin | BTC-USDT | 71 |
| Mexc | BTCUSDT | 71 |
| Okx | BTC-USDT | 71 |
Query it
Fear and greed index is one field on the wide row /v1/latest returns for a pair. Set $BF to the API base and read it at .values.fearGreed:
curl -H "x-api-key: $BLACKFORGE_API_KEY" \
"$BF/v1/latest?exchange=binance&symbol=BTCUSDT"
# read the value at: .values.fearGreedRelated
Market-wide reference columns shared across every pair in the window.
← All Market context and every other metric · Coverage by venue
What is Fear and greed index?
Fear and greed index is a market-data metric BlackForge measures for every listed pair on nine spot exchanges, once per closed five-minute window. The market-wide crypto fear and greed reading. It reports what the order book or trade tape showed, not what price will do next.
How is Fear and greed index measured?
BlackForge computes Fear and greed index from each venue’s own order book and trades for every listed pair, once per closed five-minute window, and records it as index. The value is stored exactly as observed.
Which plan includes Fear and greed index?
Fear and greed index is available from the Max plan upward, and on pay-per-call over x402. See pricing for the full plan ladder.
Does Fear and greed index predict where price will go?
No. Fear and greed index 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.