Resolution criteria on PolyGram: This market will resolve to "Up" if the Close price for Opendoor Technologies Inc. (OPEN) on May 8, 2026 is higher than the Close price for Opendoor Technologies Inc. (OPEN) on the most recent prior trading day. This market will resolve to "Down" if the Close price for Opendoor Technologies Inc. (OPEN) on May 8, 2026 is lower than the Close price for Opendoor Technologies Inc. (OPEN) 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.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| Opendoor (OPEN) Up or Down on May 8? | 0% YES | 100% NO |
Opendoor Technologies' share price movement on 8 May 2026 will be determined by the gap between its closing price that day and the prior trading day's close. The current order book on Polymarket reflects zero probability assigned to an up move, suggesting traders are pricing in either a down move or viewing the binary as mispriced given the inherent 50/50 nature of daily directional moves absent specific catalysts.
Single-day equity movements rarely cluster predictably without material news. Historical analysis of OPEN's trading patterns shows typical daily volatility ranging 1–3%, with larger moves concentrated around earnings announcements, housing market data releases, or shifts in mortgage rate expectations. The 0% implied probability on the buy side indicates either extreme bearish positioning ahead of 8 May or a liquidity imbalance in the order book where sellers have established positions but few counterparties exist at current odds. For context, iBuying stocks like Opendoor are sensitive to broader real estate sentiment and refinancing activity, making them reactive to Federal Reserve communications and housing starts data.
Traders monitoring this market should track Opendoor's earnings calendar, any guidance revisions, and macroeconomic housing indicators scheduled before settlement. Recent volatility in mortgage-backed securities and housing stocks suggests the sector remains data-dependent. The extreme skew toward "Down" on Polymarket's order book warrants examination of whether this reflects genuine conviction or simply reflects thin liquidity at the "Up" side, which could create arbitrage opportunities if catalysts emerge between now and the settlement window.
This market settles from the official outcome published at https://pythdata.app/explore/Equity.US.OPEN%2FUSD. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
The mechanics for trading "Opendoor (OPEN) Up or Down on May 8?" are the same as any other PolyGram event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$6K in lifetime turnover and $0 of resting liquidity puts this market in the below the median by volume for open contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
As of today, traders on Polymarket price this outcome at 0%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
Resolution is sourced from https://pythdata.app/explore/Equity.US.OPEN%2FUSD. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
This prediction market is scheduled to close on 8 May 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
Explore more prediction market odds and trading opportunities on PolyGram: