Project 01 · Boston 02114
High-value condo market with measured near-term growth
Eighty monthly condo/co-op observations evaluated across five candidate forecasting approaches.
$779KForecast
+0.06%Momentum
DriftWinner
Independent quantitative research
Research archive.
Four completed city-level machine-learning studies, organized into two comparable matchups. Each publication separates Zillow’s underlying ZHVI history from ChrionML®’s dataset construction, quality assurance, modeling, evaluation and interpretation.
Completed ML projects
Every city is evaluated independently before results are compared at the matchup level.
View Boston evidence →
Project 02 · Providence 02903
Lower price level with stronger projected momentum
The same chronological protocol selects Drift and measures substantially stronger growth since 2020.
$438KForecast
+0.44%Momentum
DriftWinner
Project 03 · Cambridge 02139
Highest forecast value with a local Drift advantage
Drift improves upon the last-value baseline under expanding-window evaluation.
$889KForecast
+0.19%Momentum
DriftWinner
Project 04 · Ithaca 14850
Strongest Week 2 trajectory with a baseline win
The simplest candidate—Last Value—outperforms more complex alternatives in rolling backtests.
$290KForecast
+29.5%Since 2020
Last ValueWinner
Published matchups
Research narratives designed for both technical and nontechnical readers.
Week 1 · Final
Boston vs Providence
Boston leads on forecast value. Providence leads on projected momentum and observed appreciation since January 2020.
Read the research publication →Week 2 · Final
Cambridge vs Ithaca
Cambridge leads on value and near-term momentum. Ithaca leads on cumulative growth—and demonstrates why local model selection matters.
Read the research publication →Research standard
Comparable evidence, without pretending every market behaves the same.
The protocol stays consistent while model selection remains local. That balance makes the archive useful as it scales from four cities toward sixty-four.
80Months per city
44Backtests per city
5Candidate models
1Shared protocol