Scopes

NBA odds vs. the sharp book

Kalshi's game prices next to the de-vigged sharp-book fair value: the sharpest line in the world, with the bookmaker's margin removed. Sorted by the widest divergences.

As of Oct 26, 8:01 PM EDTDelayed · publicLive prices, full history & gap alerts → Dashboard

Warriors v Nuggets

Oct 26, 10:10 PM EDT · NBA

0.3-pt divergence
TeamKalshiFair value
Warriors29.5%29.2%
Nuggets70.5%70.8%

Jazz v Grizzlies

Oct 26, 9:10 PM EDT · NBA

in play · pregame line

TeamKalshiFair value
Jazz49.5%—
Grizzlies50.5%—

Rockets v Hawks

Oct 26, 8:40 PM EDT · NBA

in play · pregame line

TeamKalshiFair value
Rockets64.5%—
Hawks36.5%—

Suns v Thunder

Oct 26, 8:10 PM EDT · NBA

in play · pregame line

TeamKalshiFair value
Suns25.5%—
Thunder74.5%—

Bucks v Pacers

Oct 26, 8:10 PM EDT · NBA

in play · pregame line

TeamKalshiFair value
Bucks41.5%—
Pacers58.0%—

Heat v Mavericks

Oct 26, 7:41 PM EDT · NBA

in play · pregame line

TeamKalshiFair value
Heat62.5%—
Mavericks37.5%—

Bulls v Celtics

Oct 26, 7:40 PM EDT · NBA

in play · pregame line

TeamKalshiFair value
Bulls10.5%—
Celtics89.5%—

Timberwolves v Cavaliers

Oct 26, 7:13 PM EDT · NBA

in play · pregame line

TeamKalshiFair value
Timberwolves73.5%—
Cavaliers26.5%—

Wizards v Hornets

Oct 26, 7:10 PM EDT · NBA

in play · pregame line

TeamKalshiFair value
Wizards26.5%—
Hornets73.5%—

How the fair value is set

We take a sharp sportsbook's two-sided moneyline, convert each price to a probability, and remove the bookmaker's vig by normalizing the two sides to sum to 1. The result is the market's best public estimate, and where Kalshi diverges from it is the Scopes Divergence.

Scopes Fair Value
:
an independent probability estimate computed from a sharp sportsbook’s de-vigged two-sided moneyline.
Scopes Divergence
:
the difference between the market price and the Scopes Fair Value.

Background reading: how de-vigging a sportsbook line works: why the two sides of a line sum to more than 100%, and how removing the margin turns the odds into a probability. Market structure, not a strategy.

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