Will Super Typhoon Dolphin hit Japan?

Platform comparison

Market context

Super Typhoon Dolphin has already been tracked on a west-north-west course towards Japanese territory, with recent forecasts putting Okinawa and the Ryukyu chain in the main impact zone and some coverage saying the centre could cross Okinawa itself. At the same time, the path has shifted around, and several outlets still describe the eventual destination as uncertain, which matters for a market that settles only if the circulation centre physically crosses Japanese land before the deadline.[1][2][7]

For a crowd-implied **100% YES**, the comparable read is that this is less a directional call and more a question of *where* and *when* the core makes landfall. Recent reporting has already cited Ogasawara passages and an Okinawa landfall window, but earlier track discussions also showed model spread and occasional southward shifts, so traders on Polymarket, Kalshi, Betfair or Smarkets will mainly be comparing how quickly each venue prices near-certain weather outcomes rather than debating the weather itself.[2][9][13] On exchange-style books such as Betfair or Smarkets, the same view would typically be expressed as decimal odds rather than an implied probability, while platform fees and whether the market is available to a given jurisdiction can change the usable price materially.

The key catalysts are the Japan Meteorological Agency position advisories, because the contract resolves from the single JMA advisory in effect when the centre is over Japanese land, with credible international reporting as a backup. That means the trader’s focus should be on the timing of any Okinawa, Amami, Daito or main-island crossing, plus any late wobble that could keep the centre offshore until after the settlement cut-off; KYC reach also matters here, because access and liquidity can differ between prediction markets and traditional sportsbooks, even when the headline probability looks identical.[1][2][18]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Will Super Typhoon Dolphin hit Japan? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Alternative, which mirrors the Polymarket order book at 0% fees.

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

Polymarket vs Kalshi — which is better?

Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.

What does Polymarket cost vs Kalshi?

Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.

What about Smarkets as an alternative?

Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.

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. Kalshi Alternative 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.