Daily Line Movement Report

The biggest odds moves of September 21, 2026

The largest consensus move of the day belonged to G2 Ares, moving from -115 to -393 in G2 Ares @ Leo Team (Esports Esports): a 25.6 point swing in implied probability confirmed by 8 of 8 tracked books. Chicago Blackhawks flipped from underdog to favorite against the market open in Minnesota Wild @ Chicago Blackhawks.

Data: pre-game odds snapshots captured September 21, 2026 (12:00am to 11:59pm PT) across 30+ sportsbooks. Published September 22, 2026. Past editions.

Biggest consensus moneyline moves

Median move across all tracked books, opening price to closing price. A move only makes this table when at least 5 books moved and the median shift is 2.5+ points of implied probability.

Game Side that drew the money Open → Close (median) Move Books confirming
G2 Ares @ Leo Team (Esports Esports)G2 Ares-115 → -393+25.6 pts8 of 8
Minnesota Wild @ Chicago Blackhawks (NHL)Chicago Blackhawks+116 → -235+15.7 pts6 of 9
New York Rangers @ New Jersey Devils (NHL)New Jersey Devils-141 → -380+15.6 pts4 of 6
Mira @ MEIA NOITE (Esports Esports)Mira-227 → -385+10.3 pts8 of 9
BBL @ Virtus.pro (Esports Esports)Virtus.pro-122 → -175+8.3 pts12 of 12
Arcade Esports @ Fruju (Esports Esports)Fruju+670 → +400+7.1 pts3 of 5
Tennessee Titans @ New York Giants (NFL)Tennessee Titans+222 → +168+5.8 pts7 of 12
The Huns Esports @ The KnockoutX (Esports Esports)The KnockoutX+587 → +417+4.8 pts3 of 5

Implied probability points, median across up to 12 books per market.

Spreads and totals that moved

Game Market Open → Close (median) Books
San Diego Padres @ Los Angeles Dodgers (MLB)Spread (San Diego Padres)-1.5 → 1.512
San Diego Padres @ Los Angeles Dodgers (MLB)Spread (Los Angeles Dodgers)1.5 → -1.512
Virginia Tech Hokies @ Boston College Eagles (NCAAF)Total51.5 → 48.511
Dallas Wings @ Phoenix Mercury (WNBA)Total171.5 → 174.58
James Madison Dukes @ Old Dominion Monarchs (NCAAF)Total47 → 44.7510
Golden State Valkyries @ Portland Fire (WNBA)Spread (Golden State Valkyries)-12.5 → -14.55
Golden State Valkyries @ Portland Fire (WNBA)Spread (Portland Fire)12.5 → 14.55
UNLV Rebels @ Akron Zips (NCAAF)Total50.5 → 52.59

Which books repriced first

For the headline move, the first books observed crossing half of their eventual move, at our capture cadence.

G2 Ares @ Leo Team: Polymarket led

Polymarket was the first book observed crossing half of its eventual move on G2 Ares, at 5:32am et. Next were Kalshi, Coolbet, Dafabet. The last of the 8 qualifying books to cross was Betsson at 6:47am et, 1.2 hours behind the leader. Timing is resolution-limited by capture cadence: "first" means first observed.

Methodology

Built from TheOddsAPI's own odds snapshot archive: pre-game h2h, spread, and totals prices captured across 30+ sportsbooks on a 30 second to 10 minute refresh cycle depending on sport and market. Opening and closing prices are each book's first and last pre-game capture of the day. Consensus move is the median per-book change in implied probability. Exchange odds, in-play prices, and placeholder quotes are excluded, as are tennis and cricket. Reprice timing is resolution-limited by the capture cadence: "first" means first observed. This report ranks market behavior only; graded edge performance lives in the edge case study archive.

Related reading: how to compare odds across books and why sharp lines lead the market. Want this data programmatically? Every number on this page comes from the same feed the API serves.

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