range_ expansion
Today's true range is more than 2 × ATR(14), on volume. Direction-agnostic.
Facts
| definition | true_range > 2 * atr_14 AND volume > 1.5 * avg_volume_10d AND volume > 100,000 |
| type | event (boolean) |
| firing | sticky |
| cadence | 1 min · 4 AM–8 PM ET · crypto and FX 24/7 |
| intervals | 1m 1h 1d |
| asset classes | US equities, Crypto, FX |
| universe | all tickers |
| history | 1d recent only · since 2026; 1h full · since 2003; 1m full · since 2003 |
| typical role | vol-regime tag, screen / active-name filter, risk-management gate |
Examples
Screen on it
curl -X POST "https://api.tickerbot.io/v2/scan" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_KEY" \
-d '{
"q": "range_expansion"
}'Backtest it on a past date
curl -X POST "https://api.tickerbot.io/v2/scan" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_KEY" \
-d '{
"q": "range_expansion",
"asof": "2026-08-08"
}'Get an alert when a ticker starts matching
curl -X POST "https://api.tickerbot.io/v2/scan/subscribe" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_KEY" \
-d '{
"q": "range_expansion",
"target_url": "https://example.com/hooks/tickerbot"
}'Returns 201 with the created webhook object; deliveries carry the tickers matching the condition at each evaluation.
Its history
curl "https://api.tickerbot.io/v2/series?tickers=NVDA&columns=close,range_expansion" \
-H "Authorization: Bearer YOUR_KEY"Its firings
curl -G "https://api.tickerbot.io/v2/events" \
-d "kind=signal" -d "signal=range_expansion" -d "transition=enter" -d "from=2026-03-31" \
-H "Authorization: Bearer YOUR_KEY"