Iran charges Hormuz fees by 2026?

Platform comparison

Market context

Iran and Oman have formally proposed a joint administrative fee plan for commercial vessels navigating the Strait of Hormuz, a move that directly challenges the current two per cent market-implied probability of mandatory charges being enacted. This proposal emerged following a US-Iran memorandum that granted a 60-day toll-free transit window, with the administering of the waterway left to define by Iran and Oman thereafter[1]. Historical precedents like the voluntary contribution systems in the Strait of Malacca offer a framework, yet the critical divergence lies in Iran’s insistence that these payments be obligatory rather than optional, a stance that contradicts US Secretary of State Marco Rubio’s explicit rejection of monetising international waterways[1][2].

Traders must monitor the upcoming joint discussions scheduled between Tehran and Muscat, as the failure to reach an accord could trigger Iran’s unilateral imposition of fees, a contingency explicitly stated by Iran’s deputy foreign minister[3]. The settlement of this market hinges on whether the final agreement distinguishes between voluntary service donations and mandatory tolls, a nuance that has already caused friction with American negotiators who reviewed the Omani proposal with significant concerns[2]. Recent reporting confirms that Iran’s state media announced these discussions will commence next week, marking the immediate catalyst for any official announcement regarding the collection of these maritime service fees[2].

The friction in payment rails mirrors the on-ramp complexity traders face when depositing via Klarna or SEPA to access this book depth, as the funding flows driving the market’s liquidity are directly tied to the geopolitical uncertainty of these fees. If the joint plan collapses, the unilateral path Iran threatens could introduce a new, mandatory cost layer for global shipping, fundamentally altering the pre-war conditions of the strait[2]. Investors should weigh the high likelihood of US opposition against Iran’s stated determination to monetise the service, keeping a close watch on the International Maritime Organization’s involvement in any final fee collection consultation[1].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Iran charges Hormuz fees by 2026? with a focus on payment rails and deposit friction. Polymarket accepts USDC on Polygon only; Kalshi only ACH/Plaid (US only); Betfair card/SEPA in EU/UK; Manifold no deposit. Polymarket Klarna UK additionally offers Klarna and SOFORT as fiat on-ramps to USDC. Live odds reflect the Polymarket order book.

Resolution & payout

Settlement path determines payout latency. Polymarket settles on-chain (USDC, minutes). Broker frontends like Polymarket Klarna UK add Klarna/SOFORT as fiat withdrawal options with T+1 processing. Kalshi: USD via ACH (T+1 to T+3). Betfair: local currency via card/SEPA (T+1 to T+5).

FAQ

How does Klarna deposit work on Polymarket Klarna UK?

You enter the deposit amount in EUR/GBP, choose Klarna as the method, run through Klarna's standard authentication (Pay Later or Direct Bank Transfer), and Polymarket Klarna UK converts internally to USDC for the Polymarket order book. Processing: typically under 30 minutes.

Which payment methods are supported?

Klarna (Pay Now / Pay Later), SOFORT, SEPA bank transfer, credit card (Visa/Mastercard), Apple Pay, Google Pay, and direct USDC deposit on Polygon. Availability depends on your jurisdiction.

How fast is SEPA deposit?

SEPA Instant: under 10 seconds. SEPA Standard: 1-2 business days. Both accepted fee-free; the internal USDC conversion runs automatically once EUR lands in the platform account.

Can I deposit with a credit card?

Yes, Visa and Mastercard. Credit card deposits carry a ~2.5% acquirer surcharge (standard for card payments). Apple Pay and Google Pay run on the same card rails — same surcharge.

How do withdrawals work?

Identical methods in reverse. SEPA withdrawal: T+1 (standard) or under 10 seconds (SEPA Instant). Klarna withdrawals process via bank-account refund. USDC withdrawal to external wallet: Polygon gas cost (typically $0.01).