Abstract
In this paper, we discuss how to apply an autoencoder to detect anomalies in payment data derived from an Real-Time Gross Settlement system. Moreover, we introduce a drill-down procedure to measure the extent to which the inflow or outflow of a particular bank explains an anomaly. Experimental results on real-world payment data show that our method can detect the liquidity problems of a bank when it was subject to a bank run with reasonable accuracy.
Keywords
- Anomaly detection
- Autoencoders
- Payment behavior
- Real-Time Gross Settlement systems
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Notes
- 1.
Many FMIs settle their positions in an RTGS system.
- 2.
A feature of many RTGS systems is that banks may initiate payments on behalf of other banks. This is known as tiering, see e.g. [1]. Payments settled between indirect participants in the settlement system via the same direct participant are recorded as internal payments of the direct participant.
- 3.
- 4.
The extent to which banks actively participated in the settlement system was based on the number of payments that they initiated each month.
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Acknowledgements
We would like to thank Ron Berndsen and Richard Heuver for their helpful suggestions and feedback.
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Triepels, R., Daniels, H., Heijmans, R. (2018). Detection and Explanation of Anomalous Payment Behavior in Real-Time Gross Settlement Systems. In: Hammoudi, S., Śmiałek, M., Camp, O., Filipe, J. (eds) Enterprise Information Systems. ICEIS 2017. Lecture Notes in Business Information Processing, vol 321. Springer, Cham. https://doi.org/10.1007/978-3-319-93375-7_8
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