TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 10:29 AM EST
Kalshi
The U.S. Strategic Petroleum Reserve (SPR) is a government-controlled stockpile of crude oil maintained for emergency energy security purposes. This event tracks the SPR inventory level as reported in the official Weekly Petroleum Status Report for the week ending July 17, 2026, measuring whether reserves reach various threshold levels that reflect the nation's oil storage capacity and energy preparedness.
Resolution is determined by the Strategic Petroleum Reserve (SPR) value reported in Table 1 of the U.S. Petroleum Balance Sheet, Current Week column, as published in the Weekly Petroleum Status Report released on Wednesday morning following the week ending July 17, 2026. Each market outcome corresponds to a specific SPR threshold, ranging from above 308 million barrels to above 326 million barrels in 2-million-barrel increments. The actual SPR level reported determines which threshold outcomes resolve affirmatively: all thresholds at or below the reported level resolve to Yes, while all thresholds above the reported level resolve to No. For example, if the SPR is reported at 315 million barrels, all outcomes for thresholds 308M through 314M resolve Yes, and all outcomes for thresholds 316M through 326M resolve No. Resolution relies exclusively on the official government data source with no alternative or secondary data sources.
Prediction market odds often diverge from traditional analyst forecasts because they incorporate real-time trader positioning and incentivize accuracy through financial stakes. While energy analysts may rely on supply-demand models and geopolitical assessments, this market aggregates those views plus market sentiment into a single probability. Traders who outperform consensus forecasts profit directly, creating pressure for odds to reflect information faster than published analyst reports. Comparing the two reveals whether the market is pricing in risks that mainstream forecasters have overlooked.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares representing different SPR level outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the collective belief of active traders at any moment, with bid-ask spreads tightening as volume increases. Traders can enter limit or market orders to adjust their positions, and the market price updates in real time based on supply and demand for each possible outcome.
This market resolves around Jul 29, 2026, once the official SPR level for the week ending July 17, 2026 is verified and confirmed. The outcome is determined by comparing actual reported inventory data against the outcome ranges defined in the market. Resolution occurs after credible public sources publish the final figure, ensuring all traders have access to the same authoritative data point.
Major catalysts include crude oil price swings, geopolitical supply disruptions, US energy policy announcements, and seasonal demand shifts heading into summer 2026. Unexpected refinery outages or changes in government SPR release strategy could trigger sharp repricing. Weekly inventory reports leading up to the resolution date will provide real data points that traders use to refine their forecasts. Economic recession signals or shifts in global oil markets may also influence expectations around reserve drawdowns or builds.