ACH spike in count

Livev2

Logic

Incoming or outgoing ACH over $1,000 up more than 68.5% and by 10 transactions against the prior 3-month average.

Thresholds by customer risk

Parameterlow riskmedium riskhigh risk
Increase68.5%68.5%68.5%
Transactions1085
ActionFlagFlagFlag

Hickory agent on this rule

88% agreement with analysts30 cases · 90 days

Version history

Version
Date
Change
Requested
Approved
Review due
V2.0
Apr 14, 2026
Threshold raised after above/below-the-line testing.
Quarterly tuning: alert quality against analyst capacity.
Owen Park
Nadia Quinn
Jul 20, 2026
V1.0
Feb 3, 2025
Created.
Sponsor-bank minimum rule set.
Owen Park
Nadia Quinn
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