at_ 20d_ low
Price is at or below the 20-day low as of the previous close.
Facts
| definition | price <= low_20d_eod |
| type | state (boolean) |
| firing | continuous |
| 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 full · since 2003; 1h full · since 2003; 1m 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": "at_20d_low"
}'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": "at_20d_low",
"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": "at_20d_low",
"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,at_20d_low" \
-H "Authorization: Bearer YOUR_KEY"Its firings
curl -G "https://api.tickerbot.io/v2/events" \
-d "kind=signal" -d "signal=at_20d_low" -d "transition=enter" -d "from=2026-03-31" \
-H "Authorization: Bearer YOUR_KEY"