S&P 500 (SPY) closes above … on July 22?

Platform comparison

Market context

SPY is trading close to its recent highs, with the ETF around the mid-$740s on 22 July and a 52-week high near $760, so the relevant benchmark for this market is whether the session ends above the nominated strike rather than whether the broader index trend remains strong.[1][3][7] The crowd’s 0% yes price is only consistent if the threshold sits well above the current level; by comparison, Polymarket’s own active SPY-closes-above market shows even $720 and $730 as effectively certain outcomes, which underlines how sharply these contracts reprice around the chosen level.[5]

For traders, the main catalyst is the live path of the cash market into the close, not a political calendar item: the final settlement depends on SPY’s official closing print at 20:00 UTC, and the fund was last reported near $748 with an intraday range that already reached above $750.[1][2][4] With no upcoming dividend event flagged for SPY, the immediate dependencies are broader equity sentiment, any late-session macro headlines, and whether the ETF can hold gains into the closing auction.[4] Historical context is straightforward: SPY has spent much of 2026 above its long-run average and recently set an all-time closing high in early June, so markets have been willing to price elevated closes when momentum is intact.[7]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page tracks S&P 500 (SPY) closes above … on July 22? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

What resolution source is used for elections?

Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.

Can prediction markets influence election outcomes?

Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.

Which platform has the deepest political liquidity?

Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.

How fast do political markets react to news?

High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.

Why do Polymarket and Kalshi differ on elections?

Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.