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What happened in the last 24 hours — the stories the money will react to.
Trump Rejects Iran Ceasefire Proposal as Talks Stall
NPR reports that President Trump rejected Iran’s latest ceasefire proposal, and the Wall Street Journal reports oil prices rising despite a Saudi pipeline repair as U.S.-Iran talks stall. A Kyodo opinion piece describes the ceasefire as extended without an agreement. That is the extent of what we can verify this morning; the terms under discussion are not in our sourcing.
Prediction markets do not expect quick results. Strait of Hormuz traffic returning to normal by October 31 trades at 3.9%, the December 31 version at 22%, and a U.S. announcement ending the blockade by October 31 at 25%. The ceasefire holding through September 30 is priced at 96.8%.
Four MLB Games on Kalshi Today; Yankees–Red Sox Is the Marquee
Kalshi’s game board today is all baseball. Boston at New York at 8 p.m. ET leads by a wide margin with 1.29 million contracts traded, followed by Philadelphia at Atlanta at 2 p.m., the White Sox at Houston at 5 and the Cubs at San Diego at 10. All four pairings are listed again for Wednesday. No sportsbook line matched any of today’s games in our slate, so the Kalshi price is the only public number we have.
Kalshi has the Yankees at 56% to win tonight’s game and the Red Sox at 45%; New York drifted (−6) in 24 hours. Tomorrow’s game between the same two is priced 51/50.
Citi: Fed’s October Call Hinges on September Core CPI
Citi argues that the upcoming jobs and PCE data are unlikely to shift the big picture and that the Federal Reserve’s October rate decision hinges on September core CPI. Kalshi’s September payrolls markets settle Friday morning, and its September CPI markets settle Oct. 14, two weeks before the Oct. 28 meeting. The rate path is bleeding into crypto too: TradingView frames Bitcoin as in limbo with the Fed setting the tone.
The markets already lean toward a hike at the October meeting: a quarter-point increase at 68% on both Polymarket and Kalshi, with no change at 31% on Polymarket and 30% on Kalshi’s mirror of the same decision.
Denver Braces for a Cold Front, With Polo’s Remnants Behind It
Our weather panel’s sourcing for Denver has a cold front arriving early Tuesday with a low cloud deck and showers, highs in the mid-to-upper 60s along I-25, roughly five degrees below normal, and heavier rain midweek from the remnants of Hurricane Polo. Ensemble guidance spans highs from the mid-50s to the low 70s with a wide precipitation spread, and models are split on the storm track. The heaviest impacts are expected from Tuesday afternoon into Thursday morning.
No prediction market prices Polo’s track or damage directly. The nearest related contract is Denver’s daily high temperature today: the 65–66° bracket trades at 11%, against this paper’s estimate of 38%. That market settles tomorrow.
Courts Rule Prediction Markets Must Obey Gambling Laws
Ars Technica reports that Kalshi lost again, with judges ruling that prediction markets must obey gambling laws, and Spectrum News reports New York and Polymarket clashing over who gets to regulate the industry. The legal fights land as DeFi Rate puts prediction-market volume near $20B, with Polymarket’s U.S. arm taking a bigger share; ReadWrite cites $19.46B. The headlines give the outcome, not the reasoning; we have not read the opinions.
No market settles on these rulings. The midterm markets, meanwhile, barely moved: Republicans are priced at 9% (+1) to control the House after November.
Eagles–Bears Drew Monday’s Whale Money; the Division Odds Moved by Morning
Monday night’s Eagles–Bears game was the tape’s magnet: seven Polymarket trades of $100K or more hit the game, its spread and its total on Monday, including $392K on the over 41.5 and a combined $509K on the Eagles moneyline from one wallet at 58%. We have no settlement data this morning and cannot report the result. What the markets did report is the aftermath: Kalshi’s NFC East winner market cut the Eagles 13 points to 51% over 24 hours.
Chicago remains a long shot to win the Super Bowl at 4% (+1) on Kalshi, and the Bears are 20% (−3) to win the NFC North.
US announces end of Iranian blockade by Oct. 31 — 25% (−7)
The U.S. blockade of Iran: NPR reports that President Trump rejected Iran’s latest ceasefire proposal, and the Wall Street Journal reports oil prices rising as talks stall. The market on Washington declaring the blockade over by Halloween fell seven points to 25%. The same question with a Wednesday deadline trades at 5.3%. Our read: the standoff is priced to outlast October, and a resumed negotiating date is the thing most likely to move this first.
View market ↗November inflation above 3.9% — 29% (−32)
U.S. inflation: this Kalshi contract asks whether November’s consumer-price index will be more than 3.9% higher than a year earlier. It lost 32 points in a day. The neighboring brackets fell too: above 3.8% dropped to 42% (−11) and above 4.1% to 21% (−8). No public catalyst explains the drop. What changed is the market’s confidence that inflation ends the year near 4%, and Citi says the Fed’s October decision hinges on September’s CPI report, due Oct. 14.
View market ↗Eagles win the NFC East — 51% (−13); Cowboys 28% (+6)
NFL division race: Philadelphia played Chicago on Monday night, and by morning the market on who wins the NFC East had cut the Eagles from a 64% favorite to a coin flip. Dallas picked up six of those points to reach 28%. Washington added five to 10%, and the Giants two to 11%. A division that looked settled yesterday is open again, and the next round of results decides how open.
View market ↗Trump renames AI by Sept. 30 — 54% (+13.5)
This is a real market: will President Trump give artificial intelligence a new name by tomorrow at 11:59pm ET? It jumped 13.5 points to a coin flip with under two days left, enough to earn an explainer from Yahoo Finance. What counts as a rename is spelled out in the contract’s fine print, so read that before trading. Either something gets renamed by Wednesday night or this goes to zero.
View market ↗A Fed hike on Oct. 28? The market says 68%.
The number that would settle our argument lands Oct. 14.
The Federal Reserve meets Oct. 28, and Polymarket prices a quarter-point rate hike at 68% (+3) over 24 hours. The separate contract on no change sits at 31%, leaving about a point for every other outcome. Kalshi’s version reads 68% hike, 30% hold. Both resolve Oct. 28, 29 days out.
The case for a hike, as far as the record we can cite goes, runs through inflation. Citi argues the upcoming jobs and PCE data are unlikely to shift the big picture and that the October decision hinges on September core CPI. Note the tension: Kalshi’s November CPI brackets fell hard in the last 24 hours, with above 3.9% dropping 32 points to 29%, which reads as less inflation fear, not more, yet the hike price rose three points. That is the thing to watch, and it is what 68% already reflects.
Two data points arrive before the meeting. Friday morning brings September payrolls, where Kalshi prices above 100,000 jobs at 45%. Then Sept. CPI lands Oct. 14, which Citi calls the number the October decision hinges on. Neither is in hand yet.
Our read: nothing shows 68% is wrong. The two venues agree, and the cited facts point the same way as the price. We revisit after the Oct. 14 report, or sooner if the venues split by three points or more.
Today’s markets deciding — a side, a price, a time. Trade idea means a documented edge; price to watch means a stated price would change our mind; watch means worth reading, no edge claimed. All markets open at send.
MLB, Boston at New York, and the day’s biggest game by volume: 1.29 million contracts traded in all, 1.04 million of them in the last 24 hours. The Yankees drifted (−6) to 56% while Boston rose (+5) to 45%. Tomorrow’s rematch is priced 51/50.
MLB, Philadelphia at Atlanta, second-busiest game of the day at 463,000 contracts. Atlanta is 64% and Philadelphia 37%, the widest gap among today’s four Kalshi games. Tomorrow’s game sits at 51/51, so the lean is about this afternoon’s game, not tomorrow’s.
International soccer: England plays Czechia this afternoon. England is 75% to win, up (+3) in 24 hours, on $131K traded and a $334K order book. A three-in-four price says the market expects England to handle this comfortably.
The biggest individual trades of the last 24 hours — who put money down, how much, and how it went.
Three accounts put $720K on NO France within eight minutes Monday afternoon (2:22–2:30pm ET). The same totoro3miyazaki account also bought $120K of Belgium YES at 30%.
A third Trump term is priced at 2.3%. The Constitution has it at zero.
2.6 million contracts are open on the 2028 presidential winner market, and the ineligible father is priced nearly twice his eligible son.
Kalshi’s market on who wins the 2028 presidential election lists Donald J. Trump at 2.3%, unchanged in 24 hours, with 2.6 million contracts open. He was elected in 2016 and 2024, and the 22nd Amendment bars anyone elected president twice from being elected again. Donald Trump Jr., who is eligible, sits at 1.2% (+0.2). Rahm Emanuel is 2% (+1) and Pete Buttigieg 3%. The father is priced at nearly twice the son.
For YES to pay, the amendment would have to be repealed, which takes two-thirds of both houses of Congress and three-fourths of the states. The text bars being elected, and this market settles on the election, so no succession route wins here either. There is no precedent: nobody has been elected to a third term since the amendment took effect in 1951. Roughly 10,000 contracts traded in 24 hours on a market that does not settle for more than three years, and trading activity is not evidence of a plan. Our read: this price is entertainment. If you insist on calling it the market’s odds on the Constitution changing, 2.3% is a generous view of Article V. ↗