Event

S&P 500 (SPX) Up or Down on May 28?

2 signals across 1 market · $3,880 tracked · resolves May 28, 2026

This event tracks whether the S&P 500 (SPX) will close higher or lower on May 28, 2026 versus the prior trading day. Traders are pricing the daily direction of the index, with PolySpotter tracking $2,411 in smart-money activity and a recent signal from a profitable serial macro bettor.

Markets (1)

  1. S&P 500 (SPX) Up or Down on May 28?2 signals · $3,880 tracked

Top trades across all markets

  1. Profitable serial macro bettor

    A profitable high-volume serial cross-market trader bought Up in a very quiet SPX daily market with a bet larger than the market's entire 24h volume.

    $2,411Wallet win rate: 56%Score: 4.0
  2. Profitable serial macro trader

    A profitable high-volume serial cross-market trader bought Up, with the bet large relative to early market activity despite the price later drifting against entry.

    $1,469Wallet win rate: 56%Score: 3.0

Top wallets in this event

  1. 0xdefebc17f4$3,880 · 1 market · 2 alerts · 56% wins

More on this event

FAQs

What are the S&P 500 May 28 odds on Polymarket?

The market prices the probability that SPX closes up or down on May 28, 2026 compared with the previous trading day. PolySpotter tracks the live odds alongside smart-money activity so you can see how traders are positioning.

What does this SPX prediction market resolve on?

It resolves to “Up” if the official S&P 500 closing price on May 28, 2026 is higher than the prior trading day’s close, and “Down” if it is lower.

Is smart money betting on SPX up or down?

PolySpotter has tracked $2,411 in smart-money activity for this event, including a recent alert tied to a profitable serial macro bettor. Check the event page for the latest direction and position changes.

When does the S&P 500 May 28 market resolve?

The event is scheduled to resolve after the official SPX close on Thursday, May 28, 2026, around 20:00 UTC, once the closing price can be verified.