bollinger_ squeeze
Bollinger band width is under 0.04: volatility has contracted.
Facts
| definition | bollinger_width < 0.04 |
| type | state (boolean) |
| firing | continuous |
| cadence | post-close daily · 8:05 PM ET |
| intervals | 1d |
| asset classes | US equities, Rates, Crypto, FX |
| universe | all tickers |
| history | full · since 2003 |
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": "bollinger_squeeze"
}'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": "bollinger_squeeze",
"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": "bollinger_squeeze",
"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,bollinger_squeeze" \
-H "Authorization: Bearer YOUR_KEY"Its firings
curl -G "https://api.tickerbot.io/v2/events" \
-d "kind=signal" -d "signal=bollinger_squeeze" -d "transition=enter" -d "from=2026-03-31" \
-H "Authorization: Bearer YOUR_KEY"