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Metrics type: Supporting Metrics • Category: Payment Gateway

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At a glance

Daily Klarna captured volume across the period. Time-series view of kla_total_volume. Reveals payday-cycle spikes (Pay-in-30-days customers buy at the end of one month, due in the next), seasonal fashion patterns (Helle Mode’s biggest Klarna days are around the 25th when German payday lands), and Klarna in-app catalogue feature-promotion days.

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Calculation

Calculated automatically from your Klarna 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

“Helle Mode” Klarna daily volume, last 7 days ending 02 May 26. What the merchant should notice:
  1. Thursday-Friday end-of-month spike of 60-80% over baseline. German monthly-paid workers receive salary on the last business day; Pay-in-30-days purchases cluster post-payday. This is the signature Klarna pattern.
  2. Saturday and Sunday lower for Klarna than for cards. Klarna is more “considered purchase” than impulse-card; weekend mobile-impulse buyers index higher on cards.
  3. Klarna Day campaigns (typically biannual) can spike a single day 3-5x baseline. Helle Mode should track whether they participated.
  4. A 15% drop in 7-day rolling window triggers alert. Common cause: Klarna placement in checkout was de-emphasised (a UX experiment moved Klarna below the fold), or competitive BNPL added (Afterpay or Klarna’s biggest competitor in-market).

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Sibling cards merchants should reference together

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Reconciling against the vendor’s own dashboard

Where to look: portal.klarna.com → Reports → Sales with daily granularity. Why our number may differ: Cross-connector reconciliation:

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Known limitations / merchant FAQs

Why does my Klarna trend lag my card-trend by 1-2 days? Klarna’s authorisation can be days before capture (merchants typically capture on shipment). Card flow is auth-and-capture immediate. The Klarna trend therefore drifts later; for retailers shipping next day, the gap is 1 day. End-of-month spike, German pattern only? Strongest in DE/AT/NL where monthly payday is dominant. UK/US shows weaker spike (biweekly/semi-monthly payroll dominates). Klarna Day campaigns, when? Typically biannual (spring + autumn). Klarna communicates dates to participating merchants; brands not in the catalogue still see indirect lift. Single day at 5x baseline, what causes? (1) Klarna in-app feature promotion (your products surfaced to 150M+ users), (2) merchant-side flash sale, (3) influencer pushing Klarna-paid checkout. Cross-check with marketing calendar. Holiday volume zero, Klarna issue? Unlikely. Klarna operates 24/7. More commonly the merchant’s commerce platform was down or paused. Year-over-year, Klarna penetration grows? Yes typically. Klarna market share in DE/UK/US grew 15-25% YoY through 2024-2025; Klarna share of merchant revenue typically rises with platform maturity. Klarna NYSE listing 2025, trend impact? None. Operations unchanged; trend reflects merchant-side and customer-side dynamics only.

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Tracked live in Vortex IQ Nerve Centre

Volume Trend is one of hundreds of KPI pulses Vortex IQ tracks across Klarna 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.