Daily Line Movement Report
The largest consensus move of the day belonged to North Melbourne Kangaroos, moving from +100 to -143 in North Melbourne Kangaroos @ Sydney Swans (AFL): a 9.8 point swing in implied probability confirmed by 10 of 11 tracked books. North Melbourne Kangaroos flipped from underdog to favorite against the market open in North Melbourne Kangaroos @ Sydney Swans.
Data: pre-game odds snapshots captured August 18, 2026 (12:00am to 11:59pm PT) across 30+ sportsbooks. Published August 19, 2026. Past editions.
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 |
|---|---|---|---|---|
| North Melbourne Kangaroos @ Sydney Swans (AFL) | North Melbourne Kangaroos | +100 → -143 | +9.8 pts | 10 of 11 |
| Trent Miller @ Douglas Rodrigues (MMA) | Douglas Rodrigues | -450 → -700 | +7.1 pts | 5 of 5 |
| Feyenoord @ SC Cambuur (Eredivisie) | Feyenoord | -300 → -410 | +6.0 pts | 5 of 6 |
| Roman Puga @ Taner Trembley (MMA) | Taner Trembley | +150 → +120 | +5.0 pts | 4 of 5 |
| Alik Lorenz @ Mahamed Aly (MMA) | Mahamed Aly | -320 → -425 | +4.8 pts | 5 of 5 |
| New York Liberty @ Chicago Sky (WNBA) | New York Liberty | -174 → -200 | +3.7 pts | 10 of 11 |
| Atlanta Braves @ Minnesota Twins (MLB) | Minnesota Twins | +107 → -109 | +3.6 pts | 13 of 24 |
| Seattle Mariners @ Milwaukee Brewers (MLB) | Milwaukee Brewers | -156 → -177 | +3.6 pts | 20 of 27 |
Implied probability points, median across up to 27 books per market.
| Game | Market | Open → Close (median) | Books |
|---|---|---|---|
| Seattle Mariners @ Milwaukee Brewers (MLB) | Spread (Milwaukee Brewers) | -1.5 → 1 | 11 |
| Indiana Fever @ Toronto Tempo (WNBA) | Total | 192.5 → 190 | 11 |
| Minnesota Lynx @ Golden State Valkyries (WNBA) | Total | 166.5 → 164.5 | 9 |
| Toronto Tempo @ Washington Mystics (WNBA) | Spread (Washington Mystics) | -9 → -10.5 | 8 |
| Los Angeles Sparks @ Connecticut Sun (WNBA) | Total | 171 → 169.5 | 11 |
| Toronto Tempo @ Washington Mystics (WNBA) | Spread (Toronto Tempo) | 9 → 10.5 | 8 |
| Atlanta Dream @ Las Vegas Aces (WNBA) | Total | 177.5 → 179 | 11 |
| Seattle Mariners @ Milwaukee Brewers (MLB) | Spread (Seattle Mariners) | 1.5 → 0.25 | 12 |
For the headline move, the first books observed crossing half of their eventual move, at our capture cadence.
Betr was the first book observed crossing half of its eventual move on North Melbourne Kangaroos, at 8:16pm et. Next were Ladbrokes AU, Neds, Sportsbet. The last of the 10 qualifying books to cross was PlayUp at 12:11am et, 3.9 hours behind the leader. Timing is resolution-limited by capture cadence: "first" means first observed.
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.