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Automated M1 Finance Pie Drift Digest

Every Monday, WebRun opens M1 Finance, reads the current value of every slice in your Pie against the target percentage you set for each, texts you a short drift summary through Twilio, and saves the full Pie breakdown as a dated file in Google Drive so you build a running record.

Runs on WebRun · Strict Lockdown policy
Every Monday at 8:00 AM WebRunorchestrates each step
1 M1 Finance read Pie slices and targets
2 Twilio text the drift summary
3 Google Drive archive the Pie breakdown
In short

How do I know when my M1 Finance Pie has drifted from its target allocation?

WebRun reads your M1 Finance Pie every Monday and compares each slice's current percentage to the target you set for it, texting a drift summary through Twilio for anything more than 5 points off. It also archives the full Pie breakdown to Google Drive each week, so rebalancing decisions are based on real numbers, not memory.

  • Drift is measured against your own real Pie targets, not a generic benchmark
  • A full weekly breakdown builds in Drive so you can see drift trends over time
  • Nothing is ever rebalanced automatically. Every decision stays yours

Built for M1 Finance users · long-term investors · buy and hold investors · automated investing users

Step by step

What does WebRun do on every run?

The exact actions WebRun takes, in order - in plain language, so you can adjust anything.

  1. WebRun signs in and gets to work

    Opens m1.com in a real browser with your saved login - no setup, no API keys.

  2. 1
    M1 Finance - read Pie slices and targets
    m1.com
    WebRun in M1 Finance: read Pie slices and targets
    WebRun opens M1 Finance to read Pie slices and targets.
    • Open M1 Finance and read the current value of every slice in the Pie
    • Compare each slice's current percentage to its target percentage
    • Flag any slice more than 5 points off its target

    Done when Today's Pie value and drift from target are captured for every slice.

  3. 2
    Twilio - text the drift summary
    twilio.com
    WebRun in Twilio: text the drift summary
    WebRun uses Twilio to text the drift summary.
    • Text a summary of any slice more than 5 points off target
    • State the current and target percentage for each flagged slice
    • Send a short all-on-target message if nothing has drifted

    Done when This week's drift summary text has been sent.

  4. 3
    Google Drive - archive the Pie breakdown
    drive.google.com
    WebRun in Google Drive: archive the Pie breakdown
    WebRun opens Google Drive to archive the Pie breakdown.
    • Save this week's full Pie breakdown as a dated file in an M1 Snapshots folder
    • Include current and target percentage for every slice
    • Keep each week as its own file

    Done when This week's Pie snapshot is saved alongside the running history.

Run settings

How is each run configured?

Starting pageWhere Chrome opens at the start of each run
m1.com
ScheduleRuns automatically on this cadence
Every Monday at 8:00 AM
DeliveryHow each run's result reaches you
Drift summary · Twilio SMS
OutputWhat each run produces - A weekly text summary of Pie slices drifted from target, plus a full breakdown archived to Google Drive.
Alert + spreadsheet log
Setup & safety

Secure by default

Connect once, stays signed in

WebRun signs in once and keeps each session in a persistent environment, so every run picks up right where it left off.

Your credentials stay in your own private environment - WebRun never stores your passwords.
Strict Lockdown

Every action is checked against this policy before it runs.

Domains ALLOWLIST
Typed input ALLOW
Shell command BLOCK
File uploads BLOCK
Runs in a contained environment More on policies
Good to know

Questions, answered

Will WebRun rebalance my Pie automatically?

No. WebRun only compares current slice percentages to your targets and reports the drift. It never places a trade, never triggers a rebalance, and never moves funds in your M1 Finance account.

How is the target allocation set?

It reads the target percentages you have already set for each slice inside your own M1 Finance Pie, so the drift is measured against your real targets, not a generic model.

What counts as drifted enough to flag?

A slice more than 5 points off its target percentage by default. That threshold can be tightened or loosened to match how often you like to rebalance.

Put this on autopilot.

Turn it on in minutes - or have our team set it up for you.