Event

SPY (SPY) Up or Down on May 18?

1 signal across 1 market · $1,314 tracked · resolves May 18, 2026

This Polymarket event tracks whether SPY, the S&P 500 ETF, closes higher or lower on May 18, 2026 compared with the prior trading day’s close. Traders are pricing a simple daily outcome: Up or Down, with PolySpotter highlighting smart money activity including a recent profitable SPY contrarian signal.

Markets (1)

  1. SPY (SPY) Up or Down on May 18?1 signal · $1,314 tracked

Top trades across all markets

  1. Profitable SPY contrarian

    Surfaced because a highly experienced profitable wallet is effectively buying Up at 13¢ despite only moderate market-level signals.

    $1,314Wallet win rate: 79%Score: 1.1

Top wallets in this event

  1. 0xcac5c8590e$1,314 · 1 market · 1 alert · 79% wins

FAQs

What are the SPY Up or Down May 18 odds?

The odds reflect Polymarket traders’ current pricing on whether SPY will close higher or lower on May 18, 2026 versus the most recent prior trading day. Check the event page for live market prices and any shifts in positioning.

What does this SPY prediction market cover?

This event covers the daily direction of SPY on May 18, 2026. It resolves to “Up” if SPY’s close is above the previous trading day’s close, and “Down” if it is below that close.

What is the smart money doing on this SPY market?

PolySpotter has tracked $1,314 in smart money activity across this event, with one recent signal flagged as a profitable SPY contrarian. That suggests at least one historically successful trader took a position that may differ from the broader market view.

When does the SPY May 18 market resolve?

The market is scheduled to resolve after the SPY closing price is available on May 18, 2026, with the listed resolution time around 20:00 UTC.

How is the winning outcome determined?

The market compares SPY’s May 18, 2026 closing price with its close on the most recent prior trading day. A higher close resolves to Up, while a lower close resolves to Down.