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US charges Hormuz fees by 2026?

Polymarket vs Kalshi vs Betfair vs Smarkets for "US charges Hormuz fees by 2026?" — live odds, fees and KYC side-by-side.

December 31 35% August 31 28% July 31 18% July 17 11% Volume: $125K Liquidity: $121K Closes: 31 Dec 2026
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US charges Hormuz fees by 2026?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Robinhood Prediction Markets) Pick
polygram.ink (preferred broker)
35% 65% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Go to the live market →
Polymarket (direct)
polymarket.com
35% 65% 0% Geo-blocked in US/UK/EU USDC, on-chain Go to the live market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Go to the live market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Go to the live market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Go to the live market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
December 3135%
August 3128%
July 3118%
July 1711%

Market context

The question centres on whether the United States will formally collect transit fees or protection levies from shipping operators, foreign governments, or other entities for passage through the Strait of Hormuz by end of 2026. The mechanism could be direct payment to the US Treasury, collection via a contractor, or in-kind compensation such as oil or cargo shares. The 13% implied probability reflects scepticism that such a scheme will materialise within the timeframe, despite periodic rhetoric from US policymakers about cost-sharing for regional security.

Historical precedent is limited but instructive. The US has never formally instituted Hormuz transit fees, though it has repeatedly discussed burden-sharing with Gulf allies and has maintained a naval presence there since the 1950s. The closest analogue is the 1991 Gulf War cost-recovery effort, when the US sought reimbursement from coalition partners and oil-producing states—a partial success that took months to negotiate. Trump administration officials floated Hormuz toll concepts in 2017–2020 without implementation. The current 13% probability suggests markets view formal fee collection as unlikely absent a major geopolitical shock or explicit executive order backed by congressional support.

Key catalysts include statements from the State Department, Department of Defence, or the White House regarding Hormuz security costs; any formal announcement of a fee structure or pilot programme; and shifts in US–Iran tensions or regional shipping disruptions that might accelerate policy change. Recent reporting on US military spending in the region and allied burden-sharing discussions will shape trader expectations. Across Polymarket (decimal odds ~1.15), Kalshi, Betfair, and Smarkets, liquidity remains thin, reflecting the niche nature of the outcome. Traders should monitor quarterly defence budget hearings and any statements tying security costs to commercial shipping interests.

Methodology

We read US charges Hormuz fees by 2026? from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.

FAQ

Which platform has the deepest liquidity?
Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
Is Betfair a Polymarket alternative?
Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
Which platform is accessible globally?
Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets has a different geo footprint and routes to Polymarket's order book at 0% fees.
Are all these platforms regulated?
No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
Which platform supports Klarna/SOFORT?
Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
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Related Topics

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