> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vortexiq.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Spend Spike Alert, Google Cloud Platform KPI card, Vortex IQ Nerve Centre

> 30d net_cost change vs the prior 30d from the billing export; fires on a spike per the ai_spend_trend band.

**[Nerve Centre KPIs](/nerve-centre/kpi-cards/gcp) · [Sentiment Settings](/nerve-centre/kpi-cards/gcp/sentiment)**

## At a glance

* **Category:** Alerts & Anomaly Detection
* **Type:** Supporting Metrics
* **Chart:** kpi
* **Format:** percent
* **Time window:** 30D vsP
* **Alert trigger:** up >50% vsP

## Calculation

30d net\_cost change vs the prior 30d from the billing export; fires on a spike per the ai\_spend\_trend band.

## Known limitations

*Known limitations, FAQs, or reconciliation notes specific to this card. Replace this block when authored.*