Rongchai Wang
Jul 19, 2026 02:11
After two US service members have been killed in Jordan, the US army launched new airstrikes on Iran concentrating on Revolutionary Guard-linked infrastructure as strike exchanges continued and the Strait of
Polymarket odds slip to 48.5% for US–Iran ceasefire by Aug. 31
Polymarket Ceasefire Odds Slip After Contemporary US Airstrike Studies Reprice the Timeline Ladder
Polymarket merchants are actually pricing a 48.5% likelihood of a US–Iran “efficient ceasefire” by August 31, down 1.0 level on the newest replace, with $1,024,939 matched. The transfer follows contemporary reporting of recent US airstrikes, and the ladder construction reveals the place the market is drawing its timeline cutoffs.
Key Takeaways
Prediction: “Ceasefire by August 31” leads at 48.5% (Sure 48.5 / No 51.5) on Polymarket’s timeline ladder.Foundation: After information of renewed US strikes and ongoing exchanges, the market’s implied odds eased, with near-term ceasefire dates nonetheless priced as low-probability outcomes.Timing: The market resolves by 2026-08-31 23:59 UTC; latest tape is tender with a -4.0 pp change over 24h and -4.0 pp over 7d within the abstract.
The report says the US army carried out new airstrikes on Iran geared toward “swiftly punish[ing]” Iran’s Revolutionary Guard after an assault on a base in Jordan killed two US service members and left one lacking. It describes harm to infrastructure and continued exchanges of strikes, with US Central Command citing targets tied to surveillance, logistics, weapons storage, and maritime capabilities. The account additionally says Iran has successfully closed the Strait of Hormuz to transport because the battle started with US and Israeli strikes on Feb. 28.
Timeline Ladder Breakdown: $1.02M Matched as August 31 Holds 48.5% (vs July 18 at 0.6% and August 14 at 30.5%)
This can be a price-ladder (timeline) market, so every row is a separate binary contract on whether or not an “efficient ceasefire” occurs by a selected date, not a single guess on a last “settlement date.” The curve is steep: July 18 is priced at Sure 0.6% / No 99.4, July 24 at Sure 9.0% / No 91.0, July 31 at Sure 14.5% / No 85.5, and August 14 at Sure 30.5% / No 69.5—which means merchants see near-term de-escalation as unlikely whereas leaving significant chance for a later pause. The main cutoff, August 31, sits close to a coin flip at Sure 48.5% / No 51.5 on $1,024,939 quantity, suggesting unresolved disagreement on whether or not a two-week pause emerges by the top of the window. The historic abstract flags weakening consensus with average volatility and a reversal detected, according to uneven repricing moderately than a one-way “war-to-peace” narrative; the abstract additionally reveals -4.0 pp over each 24h and 7d versus an avg_last_5 of 54.3. For readers used to slower headline cycles, the ladder offers a extra granular sign: merchants should not simply debating “ceasefire or not,” however explicitly pricing how shortly it might arrive throughout a number of deadlines.
Watch whether or not chance concentrates into the mid-August rung (August 14) or re-expands towards the ultimate rung (August 31). Any sustained shift ought to present up as a flatter ladder (increased near-term Sure costs) moderately than solely a small change within the main 48.5% determine, forward of the 2026-08-31 23:59 UTC decision deadline.
What Merchants Watch Subsequent on Polymarket: Strait of Hormuz Disruption, Oil Spikes, and Associated Macro/Crypto Volatility Cont
Past the ceasefire ladder, merchants are additionally mapping second-order dangers throughout different high-volume Polymarket contracts tied to management, escalation, and chokepoint disruption. “Strait of Hormuz site visitors returns to regular by July 31?” is closely tilted to No at 98.85% on $17,752,925 quantity, whereas “Will the U.S. invade Iran earlier than 2027?” has No main at 69.5% on $44,700,737 as bettors handicap longer-horizon army eventualities. On the political continuity facet, “Iran chief finish of 2026?” reveals Mojtaba Khamenei at 73.5% with $32,362,259 matched—indicators that may feed again into how merchants value macro volatility and energy-sensitive outcomes elsewhere on the platform.
Odds Development
WindowChange (pp)24h-4.07d-4.0
Implied odds (final 48h)2550Odds %August 31August 14July 31July 24
By the Numbers
Platform: PolymarketMarket: US x Iran Efficient Ceasefire by…? (2 week pause)Contract sort: Worth strike ladder: every rung has separate Sure/No; Sure means the spot value is above that USD strike at settlement.Decision window: Aug 31, 2026 (UTC)Standing: Energetic (open for buying and selling)Quantity: ~$1,024,939
High strike rungs
StrikeYesNoAugust 3148.5percent51.5percentAugust 1430.5percent69.5percentJuly 3114.5percent85.5percentJuly 249.0percent91.0%
+1 extra strikes not proven
Associated Information
Picture supply: Shutterstock
