Analytics
“WTI Crude Oil (WTI) Up or Down on April 21?” is a prediction market on Polymarket with two tradeable outcomes, Yes and No. The Yes price is the crowd's implied probability that the question resolves Yes; every trade on the public order book moves it.
The venue reports this market as closed. Its scheduled close is Apr 21, 2026. No resolved outcome is inferred from a closed or suspended state.
Vultax observes this market from Polymarket's public order book and data API and keeps its own record: 29 loaded holder wallets, the largest ten holding 92.0% of the loaded shares; 371 recent public fills from 145 wallets. Each figure carries its observation time; nothing here is a return forecast.
Public Polymarket market/event context is available; Vultax source-pack coverage is tracked separately.
This resolved market has no live orderbook depth; the public close quote is shown for context.
Nine stops, one per figure on this page. Each stop says what the number is, why it matters, and what it reads right now for this market.
Each outcome trades as a share that pays $1 if it wins and nothing if it loses. Prices are quoted in cents, and Yes plus No add up to about one dollar.
| Trader | Outcome | Shares |
|---|---|---|
| Keen Falcon D40C | Down | 1.13K |
This market will resolve to "Up" if the Close price for the Active Month of WTI Crude Oil futures on April 21, 2026 is higher than the Close price for the Active Month of WTI Crude Oil futures on the most recent prior trading day. This market will resolve to "Down" if the Close price for the Active Month of WTI Crude Oil futures on April 21, 2026 is lower than the Close price for the Active Month of WTI Crude Oil futures on the most recent prior trading day. For each trading day, the closing price refers to the Pyth "Close" value of the 1-minute candle timestamped 4:59 PM ET on that date. E.g., ordinarily, a market on Monday would refer to the previous Friday for its most recent closing price, unless Friday were not a trading day under the applicable trading-hours schedule, in which case it would refer to the next most recent prior trading day. If the two specified closing prices are exactly equal, this market will resolve 50-50. Closing prices will be used exactly as published by Pyth, without rounding. If the Active Month contract does not trade at all during the relevant trading session, the market will resolve 50-50. For WTI futures, the active month refers to the nearest listed contract month. The active month changes at 6:00:00 PM ET at the start of the trading session two business days prior to that contract's last trading day, at which point the next listed contract becomes the active month. For WTI Crude Oil (CL) futures, the last trading day is defined as three business days prior to the 25th calendar day of the month preceding the contract's delivery month (or four business days prior if the 25th calendar day is not a business day), consistent with CME contract specifications. For the purposes of this market, trading days will be determined according to the applicable trading-hours schedule for the underlying market. Under the standard schedule, trading is open from 6:00:00 PM ET Sunday through 5:00:00 PM ET Friday, with a daily break from 5:00:00 PM ET to 6:00:00 PM ET, except where modified by holiday or special-session hours as listed on Pyth. If a listed date is not a trading day under the applicable trading-hours schedule as listed on Pyth, this market will resolve 50-50. If either of the relevant days has no valid Pyth Close value for the 1-minute candle timestamped 4:59 PM ET, the market will use the last valid Pyth price achieved prior to 4:59 PM ET during that trading day as the effective closing price. If no valid Pyth price exists for that trading day due to a system outage, data failure, or other technical disruption, the official daily close price published for the Active Month WTI Crude Oil (CL) futures contract by CME Group may be used to determine the closing price for that day. Only prices achieved during the applicable trading session for the underlying market will be considered. In the event of a contract specification change, feed change, or similar structural modification affecting the underlying market during the listed time frame, this market will resolve based on adjusted prices as displayed on Pyth. The resolution source for this market will be Pyth, specifically the "Close" values for the relevant 1-minute candle for the Active Month of WTI Crude Oil futures available at https://pythdata.app/explore?search=WTI. Historical 1-minute candles may be accessed by appending a Unix timestamp (seconds) to the Pyth chart URL using the "t=" parameter.
Resolution source: https://pythdata.app/explore?search=WTI
Official listing: polymarket.com/event/wti-up-or-down-on-april-21-2026
The Yes price read as a chance. A share at 21.5¢ means the crowd gives Yes about a 21.5% chance right now. It moves with every trade, so it is a live forecast, not a verdict.
Dollar value of shares that changed hands in the last 24 hours. High volume means the price is being tested by real money; low volume means a few trades can move it.
Dollars resting in the order book, waiting to be traded against. Deep liquidity lets a large order fill near the quoted price; thin liquidity means the price jumps when someone trades size.
The gap between the best bid and the best ask. A tight spread makes entry and exit cheap; a wide spread is a cost paid on every round trip.
The wallets holding the most shares on each side, and how much of the loaded sample the largest ten control. Concentration shows whether a market is a crowd or a handful of large positions.
The public fills, newest first: which wallet bought or sold which outcome, at what price, and when. It is the market's own diary, and every wallet on it links to a trader profile.
Hourly closes of the Yes price. The range shows how sure or split the crowd has been; the move shows which way it has been changing its mind.
Trading stops at the close time. The outcome is then settled by the resolution source named in the rules. A closed market is not resolved until the venue reports it, so the two states are shown separately.
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