A home-side watcher polls every Coinbase USD market, builds a rolling
volume history per coin, and reports a whale alert when trading volume spikes hard — a
“whale” moving into the market. New alerts pop a banner here; opt into email to catch
them with the tab closed.
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What counts as a whale
262
total alerts
23 min ago
last whale
Live
· 6 min ago
23 min ago
AVAX ·
$6.57 | 5m vol +10000.00% | 24h vol +24.72%
🕐 2026-07-19 05:30 UTC
No subscribers
5m USD volume: 217,876.97 (+10000.00%)
24h USD volume: 1,256,063.13 (+24.72%)
https://www.coinbase.com/advanced-trade/spot/AVAX-USD
18 hr ago
USELESS ·
$0.0577 | 5m vol +10000.00% | 24h vol +21.75%
🕐 2026-07-18 11:30 UTC
No subscribers
5m USD volume: 88,327.88 (+10000.00%)
24h USD volume: 1,183,439.50 (+21.75%)
https://www.coinbase.com/advanced-trade/spot/USELESS-USD
20 hr ago
LSETH ·
$2,052.20 | 5m vol +10000.00% | 24h vol +3.15%
🕐 2026-07-18 09:25 UTC
No subscribers
5m USD volume: 119,082.07 (+10000.00%)
24h USD volume: 6,913,439.31 (+3.15%)
https://www.coinbase.com/advanced-trade/spot/LSETH-USD
×
What counts as a whale
The watcher fetches these thresholds every cycle. SuperAdmins manage them in the admin panel.
Runtime
Setting
Value
What it does
interval_seconds
240
Seconds between watcher cycles.
Thresholds
Setting
Value
What it does
max_age_hour_threshold
48
Hours -- data points older than this are dropped from the merge.
min_24h_volume_threshold
750000
Minimum USD 24-hour volume for a coin to be alert-eligible.
min_5m_volume_threshold
70000
Minimum USD 5-minute volume for a coin to be alert-eligible.
min_active_threshold
10
Minutes -- a coin needs a data point this recent to count as active.
min_occurrence_threshold
50
Minimum number of data points a coin needs to be merged.
rank_pull_threshold
50
Top-N coins by volume are always pulled every cycle.
Whale
Setting
Value
What it does
whale_24h_vol_percent_change
32
Alert when summed 24-hour USD-volume percent change exceeds this.
whale_5m_vol_percent_change
9000000
Alert when summed 5-minute USD-volume percent change exceeds this.