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What happened in the last 24 hours — the stories the money will react to.
Iran Blockade Markets Slide as Traders Push the Exit Past Autumn
The Iran ladder on Polymarket moved in one direction over the past 24 hours. The market on the U.S. announcing an end to its blockade of Iran by Oct. 31 fell to 33% (−11), the Sept. 30 version dropped to 7% (−8), and the year-end version eased to 62.1% (−2.7). Nothing in our feed pins the move to a single event; the pattern is traders taking the near deadlines off the table while keeping 2026 as the base case. Any formal announcement on the blockade or the Strait of Hormuz this week would reprice the whole ladder.
Traders give the U.S.-Iran ceasefire real staying power: it is priced at 64% to continue through October 31, while a full U.S. invasion of Iran before 2027 sits at just 15%.
$5 Billion Flurry of Near-Identical Kalshi Trades Draws Scrutiny
The Wall Street Journal reports that roughly $5 billion of nearly identical trades on Kalshi are drawing scrutiny, and CoinDesk says bitcoin and ether perpetual volumes on the platform are dominated by an unusual, repetitive trade. Kalshi has rejected the wash-trading characterization and published its own account of the perpetuals volume. The same day, the company asked the CFTC to allow margin trading, letting users buy with borrowed funds.
For readers who prefer the plain vanilla version of a crypto bet: Polymarket prices Bitcoin above $84,000 on Sept. 23 at 96.1% (+8.3), a market that resolves at noon ET today.
Zelenskyy Says Ukraine Ready for an “Energy Ceasefire”
Ukrainian President Volodymyr Zelenskyy said Ukraine is ready for an “energy ceasefire” and called for a trilateral meeting with Vladimir Putin and Donald Trump, CNBC reports. A narrow, sector-specific pause is a smaller ask than a general ceasefire, and the three-way meeting request puts the next move on Washington and Moscow. Neither platform in our feed carries a liquid market on a Russia-Ukraine energy truce, so there is no price to quote on it yet.
The other ceasefire traders are watching is in the Gulf, and they are not optimistic: Strait of Hormuz traffic returning to normal by December 31 is priced at just 23%.
Yankees-Rays Is the Busiest Game on the Board Tonight
Tampa Bay and the New York Yankees meet again tonight at 7:05 p.m. ET, and the matchup is the most-traded game on Kalshi’s board with 207,205 contracts in the past 24 hours — more than three times the next game. The Yankees are priced at 60% (+4) to win and the Rays at 41% (−6). The same game drew nearly $800K of Yankees buying from one Polymarket account on Tuesday (see Biggest Trades). Promo pieces from amNY and Syracuse.com are pushing new users toward the same matchup.
Kalshi has the New York Yankees at 60% to beat Tampa Bay tonight; Polymarket’s mirror of the game traded at 58.8–60% for the Yankees on Tuesday.
Gary Black Cites Kalshi in Calling Democratic Midterm Wins
Investor Gary Black pointed to Kalshi pricing to argue Democrats are set for Senate and House wins in the midterms, Benzinga reports, with crypto-native traders reportedly agreeing. Prediction-market prices being quoted as political evidence is now routine; the caveat, as always, is that a price is a probability and not a forecast that has come true. The further-out political markets in our feed tell a slower story: the 2028 presidential winner board on Kalshi has J.D. Vance at 21% (−2) and Jon Ossoff at 12% (+1).
Kalshi prices Kamala Harris at 3.9% (+0.1) to be the next president (KXPRESPERSON-28-KHAR). Our read: a modest number for a former nominee, and one the market has not budged in a day.
Denver’s “Under 76°” Bracket Holds 36% Against a 79° Forecast
Kalshi’s daily high-temperature brackets are the only weather contracts with a pulse in our feed, and three of them are sitting a few degrees off the official forecast. For Denver International Airport today, the National Weather Service forecasts a high of 79°F; the bracket for a high below 76° is priced at 36% (KXHIGHDEN-26SEP23-T76). In Miami, the NWS calls for 87°F while the 88–89° bracket trades at 8% (KXHIGHMIA-26SEP23-B88.5). In Austin, the forecast is 99°F and the 100–101° bracket trades at 12% (KXHIGHAUS-26SEP23-B100.5). All three settle tomorrow once today’s highs are recorded.
Our radar flagged all three brackets on the gap between forecast and price; the deep read is still pending, so we are not calling any of them an edge. Our engine’s forecast-error assumption at this lead time is about 1.4°F, which makes a 3° miss in Denver the one to watch.
US announces end of Iranian blockade by Oct. 31 — 33% (−11)
This market asks whether Washington will announce that its blockade of Iran is over by Halloween. The odds dropped 11 points since yesterday. The Sept. 30 version fell to 7% (−8), while the year-end version barely moved at 62.1% (−2.7). Nothing in our feed ties the drop to a single announcement. Our read: traders still expect the blockade to end in 2026, but they do not expect Washington to get there this autumn. A formal announcement, or a ceasefire breakdown — the ceasefire is priced at 64% to hold through Oct. 31 — is what moves this next.
View market ↗Saudi East-West oil pipeline restarts by Sept. 30 — 60% (−25)
Saudi Arabia’s East-West pipeline carries crude from the Gulf coast to the Red Sea port of Yanbu, and this market asks whether it counts as restarted by Sept. 30, seven days from now. The odds fell 25 points to 60% on $177K of volume. No catalyst in our feed explains the drop, and with only $61K of listed liquidity, a move this size does not take much. A restart within the week is still the favored outcome, but the market has stopped treating it as routine.
View market ↗Brazil presidential election: Flávio Bolsonaro — 58.9% (−2.2); Lula 41% (+2)
Brazil chooses its next president, and this market settles Oct. 3, ten days from now. Traders see a two-man race: Flávio Bolsonaro at 58.9% (−2.2) against incumbent Luiz Inácio Lula da Silva at 41% (+2). The day’s drift was small but went toward Lula. Almost nothing is left for anyone else; Renan Santos sits at 0.8%.
View market ↗Texas leads the college football title race at 12%. Pass.
A favorite priced like a longshot is hard to fade and harder to back.
Kalshi prices the Texas Longhorns at 12% (−3) to win the 2026 college football national title, ahead of Indiana at 11% and Ole Miss at 7%. The market settles Feb. 22, 152 days out.
Texas holds the top line on both venues: On3 reports the Longhorns also lead Polymarket’s national-title odds after Week 3. The Heisman board tells the same story from a different angle: Texas quarterback Arch Manning is priced at 8% (+2) to win the award, level with CJ Carr at 8% (+3) and behind Kamario Taylor at 11%.
The other side: the favorite lost three points in a day with no game played, and a title price of 12% means the market thinks the Longhorns fail seven times out of eight. A leader priced this low is either a bargain or a market that remembers how long a season is.
What we cannot see is the rest of the field. Five teams in our feed — Texas, Indiana, Ole Miss, Alabama at 3% and Florida at 2% — add up to 35%; without the other 65%, 12% for the favorite cannot be called rich or cheap. We’d revisit if a full field summed well past 100%, or after Ole Miss and Florida meet on Saturday at 3:30 p.m. ET, where the market prices the game at 43%.
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.
The biggest individual trades of the last 24 hours — who put money down, how much, and how it went.
goshkam also put $796K on the Yankees to beat the Rays at 58.8–60% Tuesday midday.
Sarah Huckabee Sanders is 1-in-1,000 for the 2028 Republican nomination. $484K traded on it in a day.
The polls have her at 1–2%. The market has her at 0.1%. Those are not the same number, and they are not supposed to be.
The 2028 Republican presidential nomination is more than two years away, and Sarah Huckabee Sanders — Donald Trump’s first-term press secretary — is priced at 0.1% to win it. Even so, $484K changed hands on that question in the past 24 hours, against $1.6M of listed liquidity. The contract does not settle until Monday, Nov. 6, 2028, 775 days from this morning. That is a lot of trading on a 1-in-1,000 outcome nobody can collect on for two years.
To pay, she has to actually be the nominee. A respectable primary run or a vice-presidential slot settles NO. The nearest thing to a base rate is polling: Echelon Insights has Sanders at 2% among Republican primary voters this month and McLaughlin & Associates has her at 1%, against JD Vance at 38–39% and Marco Rubio at 15–22%. A 2% poll share is not a 2% chance of winning a nomination, so a market sitting below her polls is not, by itself, a mispricing. Our read: the 0.1% is information about the front-runner, not a verdict on her. It says the field is settled — and a settled field is exactly the thing 775 days can unsettle. ↗