Hypersight

Model guide

How Hypersight sees an election

Hypersight is a multi-signal House and Senate model. Prior forecasts leaned too hard on polls alone. We blend public surveys, campaign finance, ads, and structural factors into a calibrated win probability for every district and Senate seat — then refresh as new data arrives.

Why Hypersight exists

Poll-only models fail in predictable ways: thin samples, house effects, late breaks, and races where the average never moves even as money and ads do. Single-signal stories (cash rankings, generic ballots, one flashy poll) overfit the last narrative.

Hypersight was built to be a rigorous multi-signal engine — accuracy- and recency-weighted polls where they exist, FEC-backed finance and ad pressure where they matter, and partisan structure as a baseline — trained and tested walk-forward so we never peek at the cycle we score.

How a race is scored

  1. Identify the contest. House ST-## or Senate state for the cycle (e.g. 2026).
  2. Load signals. Live/weighted polls, FEC receipts, independent expenditures, lean/incumbent, engagement proxies, and optional markets.
  3. Blend & calibrate. A full-signal model turns features into P(Dem win). Close races up-weight money and ads.
  4. Publish. Map color, rating band, projection seats, and the weights modal you open by clicking a district or state.
On the map: hover for a snapshot; click for the full signal breakdown (weights, direction, model drivers). That modal is the same stack described below.

Signals & approximate weights

When all core inputs load, the blend is roughly:

Close races adapt. When the race is tight (roughly |margin| under 6 points), Hypersight up-weights money and ads so late fundraising and IE waves can move the call. Markets (e.g. Polymarket) and third-party presence layer on when data exists.

What Solid, Lean, and Toss-up mean

Ratings come from Democratic win probability. They are confidence bands, not guarantees. Map colors use the same scale as these bands: blue for Dem favorites, brand green for toss-ups, red for GOP favorites.

Solid D / R≥ ~95% for the favorite
Likely~85–95%
Lean~65–85%
Tilt~55–65%
Toss-up~45–55%
A Solid rating usually means polls, money, ads, and partisan lean all point the same way with a large edge. High confidence under current data — not a promise that nothing can change.

Past performance (walk-forward)

We train only on prior cycles and score the next one — the same constraint a real forecaster faces. Headline House/Senate results:

~93%
All seats with full finance signals
94–96%
Polled races with a clear margin (≥5–8 pts)
~84%
All races with usable polls
~69%
Competitive / toss-up band — still hard

On a 2024 holdout (model fit only through 2022), Hypersight correctly called about 95% of House and Senate seats in our feature set. Close actual races (two-party vote near 50%) remain the stress test — accuracy falls into the mid‑70s there, which is where multi-signal blends earn their keep.

Where multi-signal beat a simple average of polls

Many public forecasts still start from a flat average of surveys. That “poll average” is useful — and it is only one channel. Hypersight accuracy- and recency-weights every poll, then blends finance, ads, and structure so a noisy mid-pack average does not get the final word.

Below are walk-forward holdouts (model trained only on prior cycles). In each case a simple two-party poll-average forecast pointed at the wrong winner; Hypersight’s multi-signal probability pointed at the eventual winner. Retrospectives on public features — not election-night posts.

2018 · Indiana Senate

Poll average slight Dem · Hypersight strong R · GOP flipped the seat

Aggregated two-party poll share sat essentially at a toss-up / thin Dem edge (~50%). Hypersight’s blend put Democrats near ~31% to win. Mike Braun defeated the Democratic incumbent — the multi-signal call, not the poll average, had the winner.

2018 · TX-07

Poll average slight R · Hypersight strong D · Dem flipped the seat

Simple poll averages hovered just under 50% Dem (a soft Republican lean). The full stack pushed a clear Democratic probability. Democrats took the district — again matching Hypersight over the poll-mean favorite.

2020 · AZ-06

Poll average slight Dem · Hypersight R · GOP held

Survey averages put Democrats a hair over 50%. Hypersight stayed Republican on the blend of polls, money, ads, and lean. The seat stayed with the GOP — wrong favorite if you stopped at the poll average.

2022 · WI-03

Poll average Dem · Hypersight R · Van Orden won

Two-party poll/forecast share averaged Democratic. Multi-signal probability favored Republicans. The Republican carried the district — a clean miss for a poll-mean call and a correct multi-signal one.

2024 · CA-13

Poll average ~ coin flip · Hypersight Dem · Dem won

Available two-party forecast shares sat near 50%. Hypersight’s full blend pushed a clear Democratic probability and matched the razor-thin certified result.

Bonus · 2018 NV Senate · 2022 NV Senate

Poll average soft R lean · Hypersight Dem · Dem held

In both cycles Nevada’s poll averages sat a tick under 50% Dem. Hypersight stayed firmly Democratic and the Democratic nominees won — another pattern where the mean of surveys understated the eventual winner.

Why this matters. An average of polls is a forecast of what pollsters measured — not always of what voters will do. Hypersight keeps surveys (weighted properly) and refuses to stop there.

Limits & honesty

No model calls every toss-up. Special elections, scandal, nominee quality, and late ad blitzes can move races after a snapshot freezes. Jungle primaries and multi-candidate fields need care. Photos and names come from FEC and public legislator data and can lag filings.

Hypersight is decision support — not a betting tip sheet. Use the live map for the current cycle, click a race for signal weights, and return here for methodology.