WAITLIST · FOUNDING CITIZENS

Become a founding citizen.

We're opening Holon to a small group of product teams first — to calibrate the city on real GTM data, not press releases. Drop your email. We'll write once, when your city is ready.

One email,
no newsletters
EU-hosted,
GDPR-native
−50% lifetime
founders price

JOIN THE WAITLIST

Save your seat.

Reading room

Something to read while you wait.

Note 01 · Methodology · Engine

Not another panel. A market simulator.

The hybrid Bass-SIR-D engine: math, vectorisation, calibration, reproducibility — and why it runs in milliseconds with zero LLM calls per tick.

Read
Note 02 · Methodology · Behaviour

Built to say no.

Compliance bias is the #1 documented failure mode of synthetic research. Here is how we engineer against it: friction coefficients, asymmetric negativity, complex-contagion gates, and loud-vs-silent churn.

Read
* Synthetic. That's the point.HomePrivacyContact·GDPR-native · EU-hosted