SimpleFunctions
KalshiJun 1, 2026

Will Sir John Hayes join Reform UK before June 2026?

This contract is priced at 1¢ on Kalshi. Current book: 1¢ bid, 2¢ ask, 1¢ spread.

Implied probability

1¢
$4K volume
$3K liquidity

Event outcomes

10

Family volume

$0

Best sibling

Mark Francois 7¢

Ticker

KXJOINREFORM-26-JHAY

Market snapshot

Sir John Hayes in market context.

This page tracks the Kalshi contract for Will Sir John Hayes join Reform UK before June 2026?. The displayed quote is 1¢ from the latest venue quote. The cached market record reports reported volume of $4K. In the KXJOINREFORM-26 family, this outcome ranks #8 of 10 by current quote across 10 sibling outcomes. The indicator bundle was refreshed May 9, 2026, 9:13 AM UTC.

Outcome

Sir John Hayes

Family rank

#8 of 10

Venue

Kalshi

Current quote

Quote source

Latest venue quote

Timing

Listed until Jun 1, 2026

Reported volume

$4K

Family context

10 outcomes · KXJOINREFORM-26

Quote range

1¢-7¢

Family leader

Mark Francois 7¢

Last updated

May 9, 2026, 9:13 AM UTC · 0m ago

Venue identifier: KXJOINREFORM-26-JHAY. Family volume: .

Price history

1¢ current

25¢50¢75¢100¢
Apr 14, 2026Apr 30, 2026

Orderbook snapshot

1 / 2¢

Kalshi
1¢ spread
BidSize
100¢100
100¢200
100¢65
AskSize
2¢154
3¢200
5¢150
47¢43
48¢796

Contract terms

Resolution, venue, and identifiers.

Resolution rules

If Sir John Hayes announces they are joining Reform UK before Jun 1, 2026, then the market resolves to Yes.

Venue

Kalshi

Closes

Jun 1, 2026

Identifier

KXJOINREFORM-26-JHAY

Event family

KXJOINREFORM-26.

This view keeps the individual contract next to its sibling outcomes. For long-tail search traffic, this is the useful context: where the current price sits inside the event, how much volume exists around the family, and which outcomes have actual depth.

Total volume

$0

Outcomes

10

Highest price

Mark Francois 7¢

Current share

Indicators

Yield, cliff risk, volatility, and regime.

Regime

neutral

Score

0.5

Observability

high

Event type

political

Related readings

Matched from SimpleFunctions blog, opinions, technical guides, concepts, and learn pages.

Browse library
Blogmarkets

Kalshi vs Polymarket: Which Prediction Market Should You Trade?

In-depth comparison of Kalshi and Polymarket for prediction market traders. Regulatory structure, liquidity, fees, API tooling, and cross-venue trading with SimpleFunctions.

Opinioncomparison

Kalshi vs Polymarket: Mechanics, Fees, Regulation, Liquidity (2026)

Side-by-side comparison of Kalshi and Polymarket in 2026. Fee math, calibration data, withdrawal speed, and a decision tree for picking the right venue.

Blogmarkets

Prediction Market Orderbook Analysis: Reading Depth, Spread, and Liquidity

How to read prediction market orderbooks. Binary settlement, spread-as-percentage, depth asymmetry, executable edge calculation, and cross-venue arbitrage analysis.

Technicalguide

Kalshi vs Polymarket: A Developer's Comparison of APIs, Orderbooks, and Liquidity

Data-driven comparison of Kalshi and Polymarket APIs, orderbooks, rate limits, and liquidity. Code examples for building on both prediction markets.

Opinionanalysis

Liquidity Availability Is the Real Edge in Prediction Markets

Implied yield, cliff risk, and overround all describe what to trade. Liquidity Availability Score describes whether the orderbook can absorb the trade. Why LAS is the indicator that decides who actually books P&L.

Opinionanalysis

Implied Yield vs Raw Probability: Why Bond-Adjacent Prediction Markets Need a Different Lens

Why fixed-income-adjacent prediction-market contracts need to be priced in implied yield, not raw probability, with two real Kalshi Fed-decision contracts as a case study.

SimpleFunctions context

Index, screen, query, and monitor.

Open index