NBA

Is the In-Season Tournament Actually Bettable Yet?

The NBA Cup, formerly the NBA In-Season Tournament, completed its third edition in December 2025, and the event's betting legitimacy has evolved considerably from its skeptical reception in Year 1. The 2025 edition produced one of the great upset storylines of the entire NBA season: the San Antonio Spurs eliminated the Oklahoma City Thunder, who opened as -429 favorites in the semifinal, before falling to the New York Knicks as underdogs in the final. That single result encapsulates everything interesting about the NBA Cup from a betting perspective: enormous chalk vulnerability, massive payout potential, and a field broad enough that any given night can produce an institution-shaking upset.

·
February 23, 2026
·

How the Betting Market Is Structured

Tournament-winner futures are the anchor market. At the start of the 2025 Cup, the Thunder were priced at +320 to win the tournament at Caesars Sportsbook, making them clear favorites.

Below them: the Cleveland Cavaliers at +700, the Detroit Pistons at +800, and the Los Angeles Lakers at competitive odds. The group-stage format creates an interesting structural dynamic:

  • Teams need to win their group before entering the knockout rounds
  • Group winner props represent a separate market entirely
  • Books historically misprice these because their models don't fully account for how teams prioritize Cup group games differently based on standings position

Group winner odds from the 2025 Cup illustrated this clearly. The Lakers opened at -295 to win West Group B, an enormous favorite pricing that reflected raw talent rather than motivation assessment. Teams fighting for playoff seeding will sacrifice Cup group games to preserve star minutes. Teams outside the playoff picture have every incentive to compete fully for the $500,000 per-player winner's bonus that motivates role players far more than stars on max contracts.

Before tip-off, jump into Gridzy and test your NBA IQ.

The Three Biggest Inefficiencies in Cup Betting

Three years in, the honest answer is yes, it's bettable, but with significant structural caveats that most casual bettors don't account for.

Motivation mispricing is the most persistent and exploitable edge in the Cup market. Teams that are in the middle of the standings, too good to tank, too mediocre to contend, have the highest motivation to win the Cup because the $500K player bonus is meaningful to their roster and a tournament trophy represents the only hardware they can realistically win.

Books price based on talent rankings, not motivation rankings, and these two inputs produce significantly different probabilities:

  • The Spurs' +141 to beat the Lakers in a Cup group game was mispriced
  • Wembanyama's development incentive to compete in every game was not being fully reflected in the spread
  • Middle-tier teams consistently outperform their Cup odds because the bonus matters more to them

Injury information asymmetry is wider in Cup games than regular season games. Coaches rest players strategically in Cup group stage games without being required to disclose rest decisions as formally as they would for regular season games subject to the league's "player participation policy." A bettor who tracks beat reporter Twitter/X in the four hours before a Cup group game has a genuine edge over the market because line movement on rest information is slower here than in regular season play.

Want smarter picks without diving into spreadsheets? Hit the Content Lab for NBA betting angles, trends, and quick reads built for real fans.

Totals in Cup Games Are One of the Cleanest Markets

Cup group stage games are played at normal regular season pace. No extended coaching game plans, no defensive adjustments for playoff-style scouting.

This means the under is historically productive in Cup games where both teams have load management incentives. Covers data on the 2023-24 Cup showed the under hit in approximately 56% of group stage games, a meaningful positive expected value that has held in subsequent years.

The reasoning is simple:

  • Teams with load management incentives play slower and rest starters
  • Cup group games don't have the same intensity as playoff games
  • Defensive effort is slightly lower, but offensive execution is also sloppier
  • The under has been consistently profitable for three years running

If you're betting Cup games, the under on group stage matchups where both teams are resting players or playing for development is one of the cleanest bets in basketball.

If NBA's off tonight, Piggy Arcade keeps the action rolling.

What Would Make the Cup More Bettable

The Cup's ceiling as a betting product is limited by two structural problems the NBA has not yet solved.

First, no team has ever treated the Cup as its primary season objective, meaning the tournament is contested at approximately 85% intensity by most participants, producing baseline unpredictability that's driven by motivation gaps rather than talent gaps. This makes traditional power ranking models unreliable as inputs.

Second, the 16-team group stage format creates early rounds where blowouts are common because the field is unbalanced:

  • Books know this and set totals and spreads that already account for mismatches
  • This compresses the available edge
  • The knockout rounds are more bettable than the group stage because motivation equalizes

The tournament becomes more bettable every year as the bonus pool grows, as player culture around the trophy develops (the Warriors' 2023-24 Cup win became a genuine franchise moment), and as books invest more in Cup-specific models.

If you're calling upsets in this article, go run it back in Gridzy.

The Bottom Line on Cup Betting

The NBA Cup is bettable, but you need to understand the structural edges. Motivation matters more than talent in group stage games. The under is consistently profitable. Injury information moves slower than in regular season games.

By Year 5 or 6, expect the NBA Cup to rival NCAA Tournament first-round games in terms of betting handle per-game, a massive commercial milestone that the league is actively targeting.

For now, the sharpest play is fading chalk in group stage games, hammering the under when both teams have load management incentives, and backing middle-tier teams who actually care about winning the $500K bonus.

The inefficiencies are real, but they're shrinking every year. Get in while the edge still exists.

No games on the slate? Switch lanes and check Piggy Arcade's top picks.

Share this post:

Minimum Juice. Maximum Profits.

We sniff out edges so you don’t have to. Spend less. Win more.

RELATED POSTS

Check out the latest picks from Shurzy AI and our team of experts.