Data In.
Confidence Out.
Retirement spending isn't a number. It's a Range.
Tax-aware. Crash-tested. Grounded in your actual accounts.
THE VAULT PRE-TAX 401(K) $1.24M THE LIVING ROOM TAXABLE BROKERAGE $450k THE GROUNDS PRIMARY REAL ESTATE $850k ESTATE SQUARE FOOTAGE $2.54M
SYSTEM : PARAMETRIC LOG-NORMAL [ACTIVE] SYSTEM : EMPIRICAL 1926-2025 [ACTIVE] SYSTEM : CAPE VALUATION [ACTIVE] SYSTEM : REGIME BOOTSTRAP [ACTIVE] THE ESTATE ADVERSE SCENARIO SHOCK DETECTED STRUCTURAL INTEGRITY HOLDING
$200k $150k $100k $50k SURVIVAL FLOOR $75,000 / YR STRUCTURAL CEILING $185,000 / YR YOUR DATUM TARGET $120,000 / YR PROJECTED ESTATE LEGACY $1.82M

Phase I / The Blueprint

Map your financial reality.

In the Studio, you draft the architecture of your estate — pre-tax accounts, Roth allocations, property, timelines. The specific facts of your life.

You provide the facts. We build the framework.

Phase II / The Multiverse

Four models. One Range.

Your Range is the convergence of four independent Monte Carlo engines, each approaching uncertainty differently. No single model tells the whole truth. Four, together, do.

Model I / Parametric

Generates 10,000 return sequences from a log-normal distribution calibrated precisely to your asset allocation.

Model II / Empirical

Randomly draws actual annual return sequences from 1926–2025, preserving extreme market outcomes.

Model III / Valuation

Uses the current Shiller CAPE ratio to dynamically shift expected returns based on current valuations.

Model IV / Regime

Samples multi-year blocks from historical economic regimes structurally similar to current conditions.

Adverse Scenario Stress Battery

What happens when history rhymes worse? We explicitly test your architecture against the 1929 Crash, 1970s Stagflation, and the Japanese Lost Decade to establish an absolute Survival Floor.

Phase III / Convergence

Intelligence is clarity, not complexity.

Four models. Ten thousand simulated paths. A century of market history. The noise collapses into DATUM Intelligence™ — not a probability score, but the exact boundaries of your financial future.

DATUM Interpretation

Your spending target is measured against your Range. Not a recommendation. Not a judgment. A clear picture of mathematical reality.

Model Alignment

When our independent models agree, your Range tightens. When they diverge, we show you exactly where and why.

Fragility Insights

Your plan reacts to change. Retire two years earlier. Increase spending. See exactly how your Range shifts under the shocks that matter most.

Mathematically Sound.
Architecturally Certain.

We find the spending level — tax-aware, inflation-adjusted, engineered — that withstands 10,000 modeled futures and a century of historical stress.

Every structure begins with a fixed point. A DATUM.

Let's find yours in the studio.
Architect Profile
Month
Year
Month
Year
Your data generates your Range — nothing else. Precision in, precision out.
Your numbers stay in your browser. We don't store, sell, or share your financial data — ever.
$
The Estate
Current Value
$
Pre-Tax 401(k)
$
+$
Taxed as ordinary income. First in line for RMDs.
Pre-Tax 457(b)
$
+$
Accessible penalty-free before 59.5 upon separation.
Pre-Tax IRA
$
+$
Consolidated pre-tax capital.
Roth 401(k)
$
+$
Tax-free growth from employer plan.
Roth 457(b)
$
+$
Tax-free growth, accessible early.
Roth IRA
$
+$
Aspirational, completely tax-free expansion space.
Taxable Brokerage
$
+$
Capital gains and dividends. Highly liquid.
High Yield Savings
$
+$
Cash buffer. No market risk.
Pension (Annual Income)
$
+$
Secure, fixed income floor.
Your preferred annual living space inside the Range.
$
Market Outlook
We don't ask you to predict the future. We ask you how much you trust each version of the past. Choose your philosophical approach to our models.
History Repeats 📚
Equal trust in all models. The full historical record speaks equally.
Valuations Matter DEFAULT
Current high CAPE predicts lower returns. Trusts valuation-aware models more.
Cautious 🛡️
Structurally pessimistic. Overweights the regime model mapping expensive markets.
Optimistic 🚀
Trusts the full historical record more — markets have always eventually recovered.
Custom ⚙️
Manually define your exact confidence weighting across all 4 probabilistic models.
Phase I / Multiverse Variance
Modeling a ten-thousand path multiverse.
Singularity established.
Your estate has been measured.
These are your boundaries.
Target Spend
$120,000 / yr
Structural Ceiling
$4.12M
$165,000 / yr
The mathematical limit of your plan's capacity. A structural constraint, not an aspirational target.
Survival Floor FIXED
$2.60M
$122,000 / yr
Floor holds in 99% of simulations + all stress scenarios. Survives the 1929 crash. Survives everything.
Your plan is highly secure.
Maximizing durability and legacy.
Your DATUM
$3.00M
Target Portfolio Balance
Est. Legacy: —
$ / yr
Est. Legacy: $3.00M
KEY SENSITIVITY Inflation → 4% (Impact: −$29K to Capacity)
Recalculating...
Applying your updated inputs

Data in.
Confidence out.

The Philosophy
1. Every structure begins with a fixed point.

In architecture, surveying, and engineering, nothing meaningful can be built until you establish a DATUM — a reference point that does not move.

It is the anchor.
The origin.
The truth everything else is measured from.

Your financial life has never had one.
Retirement tools give you guesses, probabilities, and sliders — but never a fixed point.

DATUMFI changes that.


2. Your life deserves a reference, not a recommendation.

Most tools tell you what you "should" spend.
They collapse uncertainty into a single number.
They hide risk behind a percentage.
They turn your future into a score.

We reject that.

You bring your number — your DATUM.
Not a target.
Not a prescription.
A reference.

A fixed point that reflects your intent, not our opinion.


3. Complexity belongs in the engine, not on your shoulders.

Your financial life is complicated:

  • accounts
  • taxes
  • timelines
  • market cycles
  • sequence risk
  • inflation
  • longevity
  • valuation extremes

You shouldn't have to manage that complexity.
You shouldn't have to guess.
You shouldn't have to "play with sliders" until the answer feels right.

That's why we built the Studio — the architectural drafting room for your retirement.

You map your reality.
We handle the structure.


4. We don't guess. We measure.

Once your Estate is drafted in the Studio, we run it through:

  • 10,000 market futures
  • four independent simulation methods
  • every major crash since 1926
  • valuation-aware scenarios
  • stress tests
  • dynamic spending behavior

We don't hide uncertainty.
We reveal it.

Not as a probability.
Not as a score.
As a Range.


5. Retirement spending isn't a number. It's a Range.

Your Range is the truth of your plan:

  • Structural Ceiling What the data says your plan's ultimate capacity can reach.
  • Your DATUM Your number, your plan. Measured against mathematical reality.
  • Survival Floor Even if history's worst repeats. Holds in 99% of simulations.

This is not a recommendation.
This is not a guess.
This is the world your plan lives inside.


6. Intelligence is clarity, not complexity.

We built DATUM Intelligence™ to interpret your Range with honesty and restraint.

DATUM Interpretation
What your DATUM means inside the Range — without judgment, without prescription.

Convergence
How closely independent models agree — a quiet signal of structural robustness.

Fragility Insights
How your Range shifts when the assumptions that matter most change.

This is intelligence that clarifies, not overwhelms.
Insight without noise.
Rigor without anxiety.


7. Confidence is not a feeling. It's a structure.

Confidence doesn't come from optimism.
It doesn't come from a single number.
It doesn't come from a probability score.

Confidence comes from understanding:

  • your floor
  • your possibilities
  • your intent
  • your sensitivity
  • your structure

Confidence comes from seeing your financial life the way an architect sees a building — anchored, measured, load‑tested, and honest.

Confidence comes from a fixed point.
Confidence comes from your DATUM.


8. This is not a calculator. This is a way of thinking.

DATUMFI is not here to tell you what to do.
It's here to show you the world around your choices.

It's not here to simplify your life into a single number.
It's here to reveal the structure beneath it.

It's not here to guess.
It's here to measure.

It's not here to predict the future.
It's here to prepare you for it.


9. Data in. Confidence out.

This is the promise.
This is the philosophy.
This is the brand.

DATUMFI exists to give people something they've never had:

A fixed point.
A clear structure.
A measured range.
A calm understanding of uncertainty.
A way to live with confidence.

Not a guess.
Not a score.
A reference.

A DATUM.
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