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Metrics type: Key Metrics • Category: Ecommerce Platform
Products with stock_status=outofstock OR stock_quantity<=0. Source-of-truth feeding the ads_on_oos cross-platform kill-shot.

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At a glance

Real-time count of WooCommerce products that are currently out of stock. The ground-truth feeding the Ads on OOS cross-platform kill-shot.

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Calculation

Calculated automatically from your WooCommerce data. See the At a glance summary above for what the metric tracks and the worked example below for a typical reading.

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Worked example

A US homewares brand on Pressable managed-Woo with 1,840 active products, ~6,200 variations across colour and size. Inventory polled every 10 minutes. Three observations:
  1. Variations dominate the count. 312 of 415 OOS items are variations (specific size/colour) rather than entire products. The full SKU may still be sellable in other variants. The Ads on OOS card joins this against ad-active SKUs to flag the high-impact subset.
  2. Self-hosted server with object cache misconfiguration shows stale counts. A previous host this brand used cached wc_get_product_stock_status for 6 hours. The OOS count showed 380 in the morning, jumped to 415 at lunchtime (cache expired) and dropped to 350 by evening (warehouse restocked but cache showed pre-restock data for hours). Pressable Redis configuration eliminated the lag.
  3. Plugin-induced data shape variance: WooCommerce Subscriptions. Subscription products do not normally track stock, but some merchants enable inventory management on them. Subscriptions plugin then reduces stock on each renewal, which can drive a subscription product to OOS even though it is intangible. Watch for _subscription_renewal orders alongside Customer Churn.

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Sibling cards merchants should reference together

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Reconciling against the vendor’s own dashboard

Where to look in WooCommerce Admin: WP Admin → Products → Filter by Stock status: Out of stock. Counts simple products only. For the variation-level count, use WP Admin → WooCommerce → Reports → Stock → Out of stock. Why our number may legitimately differ from WooCommerce Admin: Cross-connector reconciliation:

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Known limitations / merchant FAQs

Self-hosted vs managed-Woo, why does it matter for OOS? Object cache misconfiguration on self-hosted Woo can show stale stock for hours. Managed-Woo hosts almost always run Redis or Memcached correctly. If your OOS count appears to “jump” rather than drift, suspect cache. Status-filter selection, why exclude onbackorder? Backorder-allowed products are still purchasable, just delayed. Treating them as OOS would over-flag and noise the alert. If your business model relies heavily on backorders (e.g. furniture), use the Low Stock card instead. Refund-object accounting, does it affect OOS? No. Refunds restore stock if manage_stock = true and _restock_refunded_items is enabled (a 2024+ default). The OOS state updates accordingly within minutes. Plugin-induced data shape variance, what plugins might affect this?
  • ATUM Inventory Management stores stock in a custom table; we read the WC core meta fallback.
  • Stock Synchronisation for WooCommerce can sync stock from another Woo install on a delay; the OOS count drifts during sync.
  • Google Listings & Ads plugin reflects this card’s count in the Merchant Center feed.
  • WooCommerce Subscriptions: subscription products tracked as inventory will hit OOS on renewal cycles.
Multi-currency configuration, does it affect OOS? No, inventory is currency-independent. Why does Woo and Stripe disagree? Stripe does not track inventory. The two metrics are unrelated. Today is jumpy, why? Inventory levels move minute-to-minute. The card is real-time but polled every 10-15 min; expect small drifts. For action prioritisation, run Vortex Mind on the Ads on OOS card. Sync-lag from self-hosted server slowness, debug: If the indexer cannot reach the host, OOS state freezes at the last good poll. After recovery, watch for a sudden jump as the catch-up reflects ~1-3 hours of inventory movement. My WP Admin shows different OOS counts, debug:
  1. Refresh WP Admin (purge object cache if Redis-backed).
  2. Check whether a custom inventory plugin overrides _stock_status.
  3. Verify variations are being counted in WP Admin (the Products list shows simple products only by default, the Stock report shows variations).
  4. If the gap persists, contact support.

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Tracked live in Vortex IQ Nerve Centre

Out-of-Stock Products is one of hundreds of KPI pulses Vortex IQ tracks across WooCommerce and 70+ other ecommerce connectors. Nerve Centre runs the detection layer; Vortex Mind investigates the cause when something moves; Ask Viq lets you interrogate any number in plain English. Start for free or book a demo to see this metric running on your own data.