This week on Polymarket (Oct 12–Oct 19): 33 markets moved 10 pts or more in an hour, 209 headlines posted with the market they move.
The biggest moves, and what was behind them 🧵
JUST IN: FBI Explores Espionage Case Against Saudi OpenAI Suspect — The Wall Street Journal
📊 Will the OpenAI spy be accused of working for Saudi Arabia by December 31?
Yes 22% on Polymarket · $150k Vol.
📰 BOX OFFICE: "Clayface" doesn't deliver D.C. Marvel money, "You Can See Everything" adds screens and cash — rogersmovienation
📊 Will "You Can See Everything" 2nd Weekend Box Office be at least $21M?
Yes 25% on Polymarket (−56 pts in 24h) · $34k Vol.
YES or NO?
JUST IN: Flavio Bolsonaro, Lula about even ahead of Brazil election runoff, CNT/MDA poll shows — Reuters
📊 Will Flávio Bolsonaro win the 2026 Brazilian presidential election?
Yes 82% on Polymarket (+5 pts in 24h) · $194.7M Vol.
JUST IN: Iran's Pezeshkian blames US for interim deal failure, urges new try — Reuters
📊 US-Iran Final Nuclear Deal by December 31, 2026?
Yes 14% on Polymarket · $20.3M Vol.
JUST IN: Donald Trump challenges Alaska Senate race — France 24
📊 Will Dan Sullivan win the Alaska Senate race in 2026?
Yes 26% on Polymarket · $1.6M Vol.
Is the market right?
📰 Ukraine ready for trilateral meeting with US, Russia: Zelensky — China
📊 Russia x Ukraine ceasefire by December 31, 2026?
Yes 13% on Polymarket · $2.9M Vol.
@lxeagle17@TheArgumentMag what's in the crosstabs that's worst for them? polymarket has republicans controlling the house after midterms at 9%, single digits
📈 ODDS JUMP 72% → 83%: Will Aleksandar Vučić – United Serbia win the most seats in the 2026 Serbian parliamentary election?
+11 pts in 60 min on Polymarket · $3.6M Vol.
📰 Trump Lifts Some Canada Tariffs Ahead Of Midterm Elections — NDTV
📊 US-Canada diplomatic agreement to lower tariffs by October 31?
Yes 12% on Polymarket (+8 pts in 24h) · $284k Vol.
Is the market right?
📰 Trump cancelling some Canadian tariffs to help Sen. Susan Collins as she faces tight Senate race — Forbes
📊 Will the Republicans win the Maine Senate race in 2026?
Yes 35% on Polymarket · $2.5M Vol.
📰 Zendaya Goes Lead in 'Dune: Part Three' Oscar Campaign — World of Reel
📊 Will "Dune: Part Three" be nominated for Best Picture at the 99th Academy Awards?
Yes 84% on Polymarket (−3 pts in 24h) · $142k Vol.
JUST IN: Last polls before Election Day put Eisenkot ahead, both sides short of majority — Haaretz
📊 Will Gadi Eizenkot be the next Prime Minister of Israel?
Yes 51% on Polymarket (+3 pts in 24h) · $51.8M Vol.
JUST IN: Zelensky: US, Ukraine, and Russia to hold talks in early November — Washington Examiner
📊 Russia-Ukraine peace talks by November 30, 2026?
Yes 76% on Polymarket (+9 pts in 24h) · $2.0M Vol.
JUST IN: Anthropic says its unreleased model is both more capable and better aligned than Mythos 5.1 — the-decoder
📊 Will Anthropic have the best AI model at the end of December 2026?
Yes 47% on Polymarket · $2.9M Vol.
📰 Trump Endorses Brutal Attack Ad in Ohio Governor's Race — TODAY
📊 Will the Republicans win the Ohio governor race in 2026?
Yes 18% on Polymarket (−3 pts in 24h) · $844k Vol.
@DeItaone does a name confusion argument even hold up in court? polymarket has sullivan winning the alaska senate race in 2026 at 1 in 4, with peltola at 75%
JUST IN: Poll shows Netanyahu's bloc losing 3 seats as opposition leads with 54 to 48 ahead of Israeli elections — Anadolu Ajansı
📊 Israel Election: Which Bloc Wins More Seats?
Yes 41% on Polymarket (−3 pts in 24h) · $22k Vol.
@sentdefender a one-town evacuation isn't the same bet. polymarket has a russia x ukraine ceasefire agreement by end of october at 3%, so does oleshky move that at all?