Inventory & Forecast

Migrate from Stocky to Modern Shopify Inventory Forecasting

Renato Mateus · Founder, RMMS.Cloud
·9 min read
  • Stocky migration
  • Inventory forecast
  • Shopify
  • Replenishment
  • StockForge

Why merchants are leaving Stocky in 2026

Shopify deprecated Stocky for new installs and shifted inventory depth toward native admin features and third-party apps. Merchants who relied on Stocky for purchase orders, supplier records, and basic demand hints now face a gap: Shopify's native inventory improved, but forecast-driven replenishment and multi-location PO workflows still need a dedicated layer.

Migration is not a weekend CSV dump — it is replicating the operational rhythms your buyers trust: suggested reorder quantities, supplier lead times, open PO tracking, and velocity history that informs next season's buy.

What to export before shutting Stocky down

  • Supplier list — names, contacts, default lead times, currency
  • Open and historical POs — for audit and in-transit reconciliation
  • SKU velocity snapshots — 12-month sales by SKU for forecast seeding
  • Reorder settings — thresholds you tuned manually, even if imperfect
  • Location mappings — which warehouse Stocky tracked vs Shopify locations today

Migration phases: parallel run to cutover

PhaseDurationGoal
Export and auditWeek 1Clean supplier and SKU master data
Parallel forecastingWeeks 2–4Compare Stocky suggestions vs new tool
PO workflow cutoverWeek 5All new POs in replacement app
Stocky read-onlyWeek 6Reference only, no new entries
DecommissionWeek 7+Archive exports, uninstall Stocky

Choosing a Stocky replacement: evaluation criteria

Score apps on forecast accuracy transparency — can you see why a SKU got a reorder suggestion? — Shopify Admin embed depth, multi-location support, supplier PO creation, inbound receiving sync, and export for finance. Avoid tools that only chart past sales without forward promo inputs; beauty and fashion merchants need calendar-aware forecasts.

StockForge targets merchants migrating off spreadsheets and legacy tools like Stocky: velocity-based forecasts, reorder alerts, and replenishment views inside Shopify Admin without retraining buyers on a separate ERP tab.

Seeding forecasts with historical data

Import 12 months of order line history into your new tool or verify API backfill from Shopify orders on install. Seasonal beauty brands must tag holiday spikes so baseline forecast does not treat November velocity as year-round average — that causes February over-order disasters.

Manually enter open PO expected arrival dates during parallel run so projected cover includes inbound units Stocky used to track. One week of dual-entry pain beats a month of stockouts after cutover.

StockForge onboarding guides Stocky migrants through velocity import and supplier setup. Install StockForge on Shopify during parallel run week two — not after Stocky is already gone.

Training buyers and ops on the new workflow

  1. Daily dashboard replaces Stocky reorder report — same meeting time, new screen
  2. PO creation steps documented with screenshots in internal wiki
  3. Escalation path when forecast disagrees with buyer instinct — who overrides and logs why
  4. Monthly forecast accuracy review — learn and tune safety stock tiers

Pitfalls that break migrations

  • Cutting Stocky before parallel run completes — no rollback for PO history
  • Ignoring Shopify location changes since Stocky was primary
  • Skipping 3PL integration — available quantity still wrong after migration
  • Forecast without promo calendar — repeats Stocky's static threshold problem
  • No executive sponsor — buyers revert to spreadsheets under stress

Post-migration success metrics

Within 90 days after cutover, measure stockout rate on Tier A SKUs, days of cover stability, buyer hours per week on replenishment tasks, and forecast versus actual variance. Migration success is operational calm during next launch season — not just uninstalling an app icon.

Long-term roadmap after Stocky

Once forecast and PO workflows stabilize, connect replenishment to cash planning — open PO dollar value versus marketing calendar — and to supplier scorecards tracking lead time drift. Stocky rarely did that; modern stacks should. Merchants who treat migration as a one-time project revert to spreadsheets within a year; merchants who treat it as inventory ops upgrade compound accuracy season over season. Schedule a six-month post-migration review with finance to compare carrying cost and stockout rate against the Stocky baseline you archived on day one.

Integrating modern forecast tools with Shopify Markets and B2B

Stocky-era workflows rarely modeled separate velocity per market or B2B company location. Shopify Markets and B2B catalogs now split available inventory by context — your replacement tool must forecast per location or per channel, not one global number per SKU. During migration, map which Stocky locations became Shopify locations, which became virtual markets, and which B2B price lists imply different sell-through curves. Skipping this mapping produces reorder alerts that fire too late for EU warehouse while US overstock piles up. Treat location-level forecast accuracy as a launch-readiness gate before you scale paid traffic, open new Markets corridors, or onboard wholesale buyers with separate fulfillment SLAs.

Run a thirty-day parallel forecast comparison per major location before you decommission Stocky entirely — discrepancies reveal mapping gaps early.

Replace Stocky with forecast-driven replenishment

StockForge helps Stocky migrants import velocity, set reorder alerts, and run PO workflows in Shopify Admin — install StockForge on Shopify and start your parallel run this week.