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Massachusetts Senate margin of victory (November 3, 2026)
The odds
How the odds have moved
Median: 31.1 on Oct 20, 30.4 now.
The median the market implied over time and its middle half (the band), read from every strike's prices on Kalshi.
Every outcome
| Outcome | Chance | Day | Bid | Ask | Pays | Contracts |
|---|---|---|---|---|---|---|
| Markey, 21+ pts | 89% | ▲ 2 | 84¢ | 94¢ | $1.07 | 10.00 |
| Markey, 23+ pts | 83% | ▲ 3 | 78¢ | 87¢ | $1.15 | 400 |
| Markey, 25+ pts | 76% | ▲ 5 | 71¢ | 80¢ | $1.25 | 205 |
| Markey, 27+ pts | 68% | ▲ 6 | 63¢ | 72¢ | $1.39 | 400 |
| Markey, 29+ pts | 60% | ▲ 9 | 55¢ | 64¢ | $1.56 | 405 |
| Markey, 31+ pts | 46% | ▲ 6 | 41¢ | 51¢ | $1.96 | 1.4K |
| Markey, 33+ pts | 34% | ▲ 4 | 29¢ | 39¢ | $2.56 | 1.9K |
| Markey, 35+ pts | 24% | ▲ 3 | 19¢ | 29¢ | $3.45 | 536 |
| Markey, 37+ pts | 14% | ▲ 2 | 10¢ | 19¢ | $5.26 | 430 |
| Markey, 39+ pts | 9% | ▲ 2 | 5¢ | 13¢ | $7.69 | |
| Markey, 41+ pts | 8% | ▲ 3 | 7¢ | 9¢ | $10.87 | 1.0K |
| Markey, 43+ pts | 3% | 7¢ | $14.49 | 661 |
"Pays" is what a $1 stake returns if that outcome happens, at the price shown (before any fees). Bid and ask are the best prices to sell and buy "Yes".
The news: Massachusetts Senate
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Massachusetts Senate Passes Bill Requiring Insurance Coverage of Cancer Screenings for FirefightersOn Thursday, Oct. 15, the Massachusetts Senate approved legislation requiring no-cost cancer screenings for eligible full-time firefighters. According to a WBUR report, the Senate approved S 3284, advancing it after… According to a WBUR… -
Massachusetts House passes $2.35B supplemental budget to close out FY26BOSTON (WWLP) – The Massachusetts House of Representatives passed a $2.354 billion supplemental budget Wednesday aimed at closing out the 2026 fiscal year. The bill, which passed 152-0, includes $1.524 billion in net spending and addresses… -
Mass. upgraded from least competitive elections in the country to second-worstby Chris Lisinski, CommonWealth Beacon October 19, 2026 FOR THE FIRST time since Barack Obama was president, Massachusetts did not land in dead last place in one assessment of electoral competitiveness. It came in second to last. Thanks to… -
John Deaton, Ed Markey spar in WBZ Massachusetts Senate debateCBS News John Deaton, Ed Markey spar in WBZ Massachusetts Senate debate Full Massachusetts Senate debate between John Deaton and Ed Markey on WBZ Businesses destroyed by stubborn Somerville, Massachusetts, fire Lawrence, Massachusetts… -
Full Massachusetts Senate debate between John Deaton and Ed Markey on WBZCBS News Full Massachusetts Senate debate between John Deaton and Ed Markey on WBZ Businesses destroyed by stubborn Somerville, Massachusetts, fire Lawrence, Massachusetts, mayor appears in court to face state wiretapping charges Jurors… -
Pluribus AM: Trump admin feuds with California over voter lists - Pluribus News07:28 AM, Oct 16, 2026 Good morning, it’s Friday, October 16, 2026. In today’s edition, protecting maternal health; AI in the workplace; Trump admin feuds with California over citizenship proof: MORE: The Massachusetts Senate approved… -
Should Massachusetts Keep Its Wide-Ranging 2024 Gun Law? Here’s What Both Sides ThinkIn November, Massachusetts voters will decide whether to keep or repeal a wide-ranging 2024 gun law that overhauled the state’s firearm regulations. Known as Chapter 135, the law tightened rules on assault-style weapons and untraceable… -
Markey, Deaton clash in first and only Massachusetts Senate debateBoston 25 News Boston 25 Weather 24/7 Good Samaritan steps up to help dog hit by car in Hanover Mass. State Auditorâs Office calls for overhaul of state liquor licensing system Markey, Deaton clash in first and only Massachusetts Senate… -
Mass. Legislature works toward free cancer screenings for firefightersThe Massachusetts Senate on Thursday passed legislation requiring insurance coverage so that firefighters can access free and regular cancer screenings. The Senate passed the legislation (S 3284) on a voice vote after it cleared the Senate… -
Authors offer insight into post-crash search for JFK Jr.CBS News Authors offer insight into post-crash search for JFK Jr. Work underway to build new remote terminal at Braintree Logan Express Next Weather: WBZ midday forecast for Oct. 14, 2026 Former Maura Healey staffer Lamar Cook arrested on… -
Finegold, Semesnyei Answer Questions On Housing, Energy And AccountabilityANDOVER, MA — Democratic incumbent Barry Finegold and Republican challenger Ted Semesnyei are competing to represent Andover in the Massachusetts Senate in the Nov. 3 election. Finegold lives in Andover; Semesnyei lives in Amesbury. The… -
Wednesday's Child: 15-year-old KoltonCBS News Boston is a local news organization that is part of CBS News and Stations. Also referred to as WBZ-TV and channel 4, CBS News Boston offers local breaking news, weather coverage and investigative reporting. Wednesday's Child…
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Prediction-market prices are what traders pay for each outcome on Kalshi, Polymarket, ForecastEx and Crypto.com, read as the market's implied chance. They are not forecasts by 4Conservative, can move fast and can be wrong; they are read every few minutes and may be delayed. Money traded on Kalshi and ForecastEx is estimated from contracts at their price. News comes from the 4Conservative index; prices of stocks, rates and coins from 4Conservative Finance. Nothing here is betting, financial or investment advice. Terms of use. How to use Predictions