The current MMA betting landscape for today's UFC 309 event shows several key trends and shifts:

**Line Movement Analysis:**
- Significant shifts in fight odds over the past 24 hours include the main event, Jon Jones vs. Stipe Miocic, where Jones' odds have tightened from -600 to -650, indicating strong late money on the favorite[3].
- Early money favored underdogs in several bouts, but late money has shifted towards favorites, particularly in high-profile matches.
- International sportsbooks show variations in odds, with some offering better value on underdogs compared to North American books[5].

**Key Influencing Factors:**
- Weight cut reports have been smooth for most fighters, but last-minute injury concerns around Michael Chandler have slightly impacted his odds against Charles Oliveira[1].
- Training camp news and footage have influenced betting patterns, with positive reports from Jon Jones' camp contributing to his tightening odds.
- Venue considerations at Madison Square Garden have historically favored fighters with strong crowd support, which could impact betting lines.

**Prop Market Analysis:**
- Method of victory odds have seen significant changes, with more money coming in on Jon Jones to win by knockout, shifting his KO odds from -200 to -220[4].
- Round totals have moved in several fights, with the over 2.5 rounds in the co-main event becoming more popular.
- Distance props have seen action, particularly in bouts expected to go the distance, with the "go the distance" prop in the Oliveira vs. Chandler fight attracting late money.

**Style Matchup Considerations:**
- Striking vs. grappling matchups have influenced odds, with grapplers like Oliveira seeing tighter odds against strikers like Chandler.
- Reach and height advantages have impacted betting lines, particularly in bouts where one fighter has a significant reach advantage.
- Pace and cardio factors have been crucial in longer fights, with fighters known for their endurance seeing more action.

**Sharp Money Indicators:**
- Professional bettors have positioned themselves on favorites in high-profile bouts, contributing to late line movements.
- Steam moves have been observed across books, particularly in the main event, indicating sharp money on Jon Jones.
- Reverse line movement has been noted in several undercard bouts, suggesting sharp money on underdogs.

**Contextual Factors:**
- Fighter camp changes and corner team adjustments have influenced betting patterns, particularly in bouts where significant changes have occurred.
- Recent sparring reports and social media/interview impacts have also shifted odds, with positive news boosting fighters' odds.

**Historical Pattern Analysis:**
- Similar style matchups have influenced betting lines, with historical trends favoring grapplers in certain weight classes.
- Fighters' previous betting patterns have been considered, with consistent performers seeing tighter odds.
- Championship fight trends have also impacted odds, with titleholders often favored in rematches.