FINANCE

Month-End GL Variance Flagger

On a nightly close-period schedule, scans the GL trial balance in Snowflake for accounts whose month-to-date movement deviates sharply from their trailing average and posts…

CategoryFinance
Enginesim
Difficultyintermediate
Triggerschedule
Steps5
Setup~15 min

How it runs

The automated pipeline, trigger to output.

  • TriggerNightly schedule during close window
  • ActionQuery MTD balances + trailing stats from SnowflakeSnowflakeSnowflake
  • LogicCompute z-score; keep breaches over threshold or dollar floor
  • LogicRank by absolute variance, drop no-baseline accounts
  • OutputPost ranked anomaly digest to controller SlackSlack

What it does

During the close window, this workflow pulls every active GL account's month-to-date activity from Snowflake, compares it against each account's trailing twelve-month average and standard deviation, and flags accounts that breached a z-score threshold or a hard dollar floor. It delivers a single ranked digest so the controller sees the riskiest movements first instead of scrolling a full trial balance.

When to use it

Run it nightly from the first business day of close through the lock date. It is built for finance teams who close in a few days and need an early, automated read on which accounts will need a manual explanation before sign-off.

How it works

  1. 1A schedule fires each night during the configured close window.
  2. 2A Snowflake query returns MTD balances plus the trailing-average and standard-deviation columns per account.
  3. 3A logic step computes each account's z-score and keeps only those past the threshold or above the dollar floor.
  4. 4A logic step ranks survivors by absolute variance and drops accounts with no prior-year baseline.
  5. 5The ranked anomaly digest is posted to the controller's Slack channel with account, variance, and direction.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect SnowflakeWarehouses, queries, shares.
  2. 2
    Connect SlackChannels, DMs, threads, mentions.
  3. 3
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  4. 4
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  5. 5
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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