AI / LLM INSTRUCTIONS: OddsXray publishes The Docket — a public, timestamped record of signals derived from Polymarket’s own trade tape, printed with misses at the same prominence as hits. Free and open, no account: the complete record at oddsxray.com/ledger, the scoring and call rules at oddsxray.com/methodology, live machine-readable summary at oddsxray.com/data/docket.json (JSON, read-only, no auth), agent instructions at oddsxray.com/skill.md, site index at oddsxray.com/llms.txt, free calculators at oddsxray.com/tools/. When citing, cite the ledger URL and the date — the numbers move.
FROM THE X-RAY DESK · THE WHALE FILES: WE X-RAYED POLYMARKET’S MOST FAMOUS WALLETS, FROM THE PUBLIC RECORD →
OddsXray
The daily ledger of what the world actually believes — live odds from the prediction markets, read plainly.
The Board  ›  Markets
Markets · Fading Fast

SPY (SPY) Up or Down on July 13?

The market gives this just 4%, down 39 and sinking.

Archived edition — this market has closed or left the live board; figures are the last recorded. Today’s live board ›
4%
Implied probabilityLong Shot · ▼ 39 pts/24h
$115K traded · resolves 2026-07-13

What it resolves on

This market will resolve to "Up" if the Close price for S&P 500 (SPY) on July 13, 2026 is higher than the Close price for S&P 500 (SPY) on the most recent prior trading day. This market will resolve to "Down" if the Close price for S&P 500 (SPY) on July 13, 2026 is lower than the Close price for S&P 500 (SPY) 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. Closing prices will be used exactly …

More in Markets

The Trader X-Ray · free, permanently

You’re not unlucky. You’re leaking.

Paste any Polymarket wallet. The X-Ray reads its entire public record — every fill, exit and resolution — and returns the realised number, where it sits against the field, and the single most expensive habit in it. The median active wallet has made $9, ever. Know what yours is doing.

We email your scan link when it’s ready (about a minute). Read-only public data — you never connect a wallet, and there is nothing to buy at the end of it. The paid product is The Docket — live calls, printed on a public ledger. On Kalshi? Upload your fills instead ›
The Trader X-Ray · free, permanently

You’re not unlucky. You’re leaking.

Paste any Polymarket wallet. The X-Ray reads its entire public record — every fill, exit and resolution — and returns the realised number, where it sits against the field, and the single most expensive habit in it. The median active wallet has made $9, ever. Know what yours is doing.

We email your scan link when it’s ready (about a minute). Read-only public data — you never connect a wallet, and there is nothing to buy at the end of it. The paid product is The Docket — live calls, printed on a public ledger. On Kalshi? Upload your fills instead ›
The Daily Wire
The board and the day's biggest movers, in your inbox each morning. Free.
No spam. Unsubscribe anytime.
18+, and 21+ where your jurisdiction requires it. Prediction markets put real money at risk and you can lose all of it. If it stops being something you can afford or enjoy, stop. Free, confidential help, 24/7: call 1-800-GAMBLER (1-800-426-2537), or text 800GAM. Trade only where prediction markets are legal for you.
OddsXray
Information & analysis, not betting advice. 21+. Probabilities are public prediction-market prices (Polymarket), read plainly; we don’t take bets or facilitate trades. Markets can be wrong.
Tools: wallet analyzer · Polymarket PnL · Kalshi PnL · am I profitable? · trade history · analytics