Daily Line Movement Report
The largest consensus move of the day belonged to Portland Fire, moving from -115 to -145 in Portland Fire @ Toronto Tempo (WNBA): a 5.2 point swing in implied probability confirmed by 10 of 11 tracked books. Sydney Swans flipped from underdog to favorite against the market open in North Melbourne Kangaroos @ Sydney Swans.
Data: pre-game odds snapshots captured August 20, 2026 (12:00am to 11:59pm PT) across 30+ sportsbooks. Published August 21, 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 |
|---|---|---|---|---|
| Portland Fire @ Toronto Tempo (WNBA) | Portland Fire | -115 → -145 | +5.2 pts | 10 of 11 |
| Minnesota Lynx @ Washington Mystics (WNBA) | Washington Mystics | +174 → +140 | +4.3 pts | 9 of 11 |
| Gold Coast Suns @ St Kilda Saints (AFL) | Gold Coast Suns | +200 → +170 | +4.3 pts | 9 of 9 |
| Seattle Sounders FC @ FC Cincinnati (MLS) | FC Cincinnati | -127 → -145 | +3.2 pts | 7 of 8 |
| North Melbourne Kangaroos @ Sydney Swans (AFL) | Sydney Swans | +106 → -106 | +3.0 pts | 8 of 12 |
| Alavés @ Rayo Vallecano (La Liga) | Alavés | +258 → +220 | +2.9 pts | 23 of 26 |
| New York Yankees @ Baltimore Orioles (MLB) | Baltimore Orioles | +107 → -103 | +2.9 pts | 19 of 28 |
| Columbus Crew SC @ Nashville SC (MLS) | Nashville SC | -128 → -140 | +2.7 pts | 6 of 10 |
Implied probability points, median across up to 28 books per market.
| Game | Market | Open → Close (median) | Books |
|---|---|---|---|
| Portland Fire @ Toronto Tempo (WNBA) | Total | 186.5 → 183 | 9 |
| Minnesota Lynx @ Washington Mystics (WNBA) | Total | 164.5 → 162 | 11 |
| Connecticut Sun @ Las Vegas Aces (WNBA) | Total | 166 → 168.5 | 10 |
| Atlanta Dream @ Los Angeles Sparks (WNBA) | Total | 178.25 → 180.5 | 10 |
| Boston College Eagles @ Cincinnati Bearcats (NCAAF) | Total | 53.5 → 51.5 | 10 |
| Minnesota Lynx @ Washington Mystics (WNBA) | Spread (Washington Mystics) | 5 → 3.5 | 10 |
| Minnesota Lynx @ Washington Mystics (WNBA) | Spread (Minnesota Lynx) | -5 → -3.5 | 10 |
| Golden State Valkyries @ Chicago Sky (WNBA) | Total | 162.75 → 161.5 | 10 |
For the headline move, the first books observed crossing half of their eventual move, at our capture cadence.
BetUS was the first book observed crossing half of its eventual move on Portland Fire, at 8:02pm et. Next were FanDuel, BetOnline, LowVig. The last of the 10 qualifying books to cross was Bovada at 8:58pm et, 0.9 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.