The Hundred: Trent Rockets vs Birmingham Phoenix

Platform comparison

Market context

The Hundred meeting between Trent Rockets and Birmingham Phoenix is scheduled for Trent Bridge on 5 August, with the market resolving on whether Birmingham Phoenix win by any ordinary match result, including DLS, penalties or a declared on-field winner. The crowd-implied **100% YES** is far above the sort of prices shown on exchange-style and fixed-price platforms, where recent comparable listings have sat much closer to a toss-up: Polymarket was quoting Trent Rockets at about **$0.75** for a win, while Kalshi displayed both teams in the high-80¢ range, implying a much narrower gap than a certainty. [18][19]

That divergence matters because cricket markets in The Hundred are usually highly sensitive to toss, venue and line-up news rather than pre-match narratives. Recent match coverage around this pairing has shown both a high-scoring Edgbaston game, where Phoenix made 214 for 4 and won by 10 runs, and a separate Rockets chase where they beat Phoenix by six wickets, which is a useful reminder that the head-to-head has produced both one-sided and tight finishes. [11][15][17] In other words, a 100% implied probability needs to be read as a market artefact rather than a reflection of settled sporting certainty.

For traders comparing Polymarket, Kalshi, Betfair or Smarkets, the key issue is not just price but execution. Kalshi quotes in cents and is built around binary settlement, while Polymarket presents dollar-denominated outcomes and typically tracks a broader crypto-native liquidity base; traditional books such as Betfair and Smarkets instead price the same event in decimal odds and add exchange commission, which can make a near-even cricket match look cheaper or dearer depending on fees and available liquidity. [18][19] For this fixture, the main catalysts are the confirmed playing XIs, the toss, and any late weather or scheduling changes, because those are the factors most likely to move a market that is otherwise priced around a close contest.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We read The Hundred: Trent Rockets vs Birmingham Phoenix 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

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

UK Frequently Asked Questions

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.

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.

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.

Polymarket vs Betfair Exchange: which is better for UK prediction trading?

Betfair Exchange offers UKGC regulation, GBP settlement, and potentially tax-free winnings — but focuses on sports and politics only. Polymarket has deeper liquidity, 0% platform fee, global event coverage, and crypto/geopolitical markets Betfair doesn't offer. For UK traders: Betfair for regulated GBP sports markets; Polymarket for broader, global prediction events.

Is Kalshi available in the UK?

Kalshi is a US CFTC-regulated prediction exchange. UK residents can create accounts but must use USD and US payment methods. Kalshi's product range overlaps with Polymarket but with lower liquidity on most contracts. For UK traders, Polymarket typically offers better prices due to higher global volume.