TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 1, 4:00 PM EST
Polymarket
This market will resolve to "Up" if the official FTSE 100 Index closing price for FTSE 100 (UKX) on Monday, June 1, 2026 is higher than the official FTSE 100 Index closing price for UKX on the most recent prior trading day. This market will resolve to "Down" if the official FTSE 100 Index closing price for FTSE 100 (UKX) on Monday, June 1, 2026 is lower than the official FTSE 100 Index closing price for UKX on the most recent prior trading day. E.g., ordinarily, a market on Monday would refer to the previous Friday for its most recent closing price, unless that Friday were a market holiday, in which case it would refer to Thursday, or the next most recent trading day. If the two specified closing prices are exactly equal, this market will resolve 50-50. Note that all figures will be rounded to the nearest cent using standard rounding. If UKX does not trade at all during the regular session, the market will resolve 50-50. If either of the relevant days are shortened (for example, due to a market holiday schedule), the official closing price published by FTSE 100 Index for that shortened session will still be used for resolution. If either of the relevant days have no official closing price (for example, due to a trading halt into the market close, system issue, delisting, or other disruption), the market will use the last valid on-exchange trade price of the regular session as the effective closing price. The resolution source for this market is the Wall Street Journal, specifically the Close values published by the WSJ under "Historical Prices". US: https://www.wsj.com/market-data/stocks EMEA: https://www.wsj.com/market-data/stocks/emea ASIA: https://www.wsj.com/market-data/stocks/asia
Prediction market odds on Polymarket reflect real-money consensus from traders and often diverge from traditional analyst forecasts. While equity strategists may publish directional views based on macroeconomic models and earnings revisions, prediction markets incorporate live sentiment, positioning, and breaking news through continuous price discovery. Comparing Polymarket odds to published analyst calls on UK economic data, interest rate expectations, and corporate earnings can reveal where the crowd sees edge or where consensus may be mispriced. This side-by-side view highlights whether traders are more or less bullish than the Street.
On Polymarket, the FTSE 100 (UKX) Up or Down on June 1 event is priced as a binary contract where traders buy or sell shares representing either an up or down close. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the collective probability assigned by the market; a price of 0.72 means traders estimate a 72% chance of that outcome. Liquidity, order flow, and new information continuously adjust prices. Traders profit by correctly predicting the direction, with payouts determined by which outcome resolves true on June 1.
Key catalysts include UK economic data releases (inflation, employment, retail sales), Bank of England policy signals, and global risk sentiment. Corporate earnings announcements from FTSE 100 constituents, currency movements (particularly GBP/USD), and broader European or US market momentum can also drive the index. Geopolitical developments, central bank communications from the Fed or ECB, and commodity prices affect UK equities significantly. Traders monitoring Polymarket odds should watch the economic calendar, earnings season, and overnight US and Asian market performance for clues about June 1 direction.