Will Diesel Price on October 31, 2026 be above $6.40?

- [2026-09-29] EIA's weekly retail survey (released 9/29, for week ending 9/28/2026) shows U.S. on-highway diesel (all types) at 5.652, 5.599, 5.967, 6.285, 6.529, 6.382 dollars/gal for the weeks of 8/24 through 9/28/2026 — i.e., the latest official reading is $6.382/gal, down from a record $6.529 the prior week. Next EIA release is scheduled for 10/6/2026. (https://www.eia.gov/dnav/pet/pet_pri_gnd_dcus_nus_w.htm) - [2026-09-21] The week of September 21, 2026 set the all-time weekly high for U.S. diesel at $6.529 (week of September 21, 2026) , per EIA-derived tracking. (https://weeklydiesel.com/history/2026/) - [2026-09-07] Diesel had already broken the prior 2022 nominal weekly record, with EIA reporting on-highway diesel jumped 36.8 cents to $5.967 per gallon nationally, surpassing the previous nominal weekly high of $5.810 set in June 2022 . (https://shalemag.com/us-diesel-prices-2026-record/) - [2026-09-30] EIA's distillate stocks (diesel + heating oil) data for the week ending 9/25/2026 show US diesel and heating oil storage holds 105.2 M bbl as of September 25, 2026, down 2.1% week over week , keeping inventories well below the five-year range. (https://thevaultreport.com/oil/distillate) - [2026-09-09] EIA's September Short-Term Energy Outlook states we forecast inventories of distillate fuel oil—often sold as diesel—in the United States to fall below 100 million barrels in September and remain below the five-year (2021–2025) low through the end of 2026 and most of 2027 , with distillate inventories falling below the five-year range in April... reflected in global distillate prices, which have increased throughout the summer . Next STEO release is 10/6/2026, within the question window. (https://www.eia.gov/outlooks/steo/report/petro_prod.php) - [2026-10-02] Crude oil fell on reports that EU nations are negotiating release of diesel/crude reserves: Brent settled near flat at $102.25/bbl while West Texas Intermediate dropped 1.9 per cent to $91.11 a barrel after EU countries' governments discussed a French proposal for European countries to release 50 million barrels of diesel, and for International Energy Agency members to release 50 million barrels of crude oil . (https://www.thenationalnews.com/business/energy/2026/10/02/oil-prices-stable-amid-mixed-supply-signals-from-the-middle-east/) - [2026-10-02] The same report notes US President Donald Trump had previously said he was mulling a ban on US diesel exports , a policy lever that — if enacted — would be bearish for domestic pump diesel prices by keeping more barrels at home. - [2026-10-02] Oil-market wire coverage confirms: oil prices climbed sharply on Friday (Oct. 2, 2026), with Brent crude reaching $102.30 a barrel and Murban crude rising to $109.40... WTI crude was at $93.05 , and separately the demand, delivered through diplomatic and energy channels this week, marks a sharp escalation in transatlantic tensions over energy policy as crude oil trades above $100 a barrel and US diesel prices hit record levels ahead of November's midterm elections . (https://gulfnews.com/world/mena/strait-of-hormuz-standoff-us-boosts-forces-amid-iran-war-saudi-arabia-intercepts-houthi-missile-1.500695607) - [2026-10-02] Underlying supply risk remains linked to the ongoing 2026 Iran war/Strait of Hormuz crisis; however oil flows through the Strait of Hormuz rose to their highest level last month since the Iran war began, as Saudi Arabia was forced to send more crude through the contested waterway after Houthi attacks restricted its Red Sea route , a supply-side easing factor. (https://www.thenationalnews.com/business/energy/2026/10/02/oil-prices-stable-amid-mixed-supply-signals-from-the-middle-east/) - [2026-09-28] Year-to-date tracking shows diesel prices have been extremely volatile in 2026, with the 2026 year-to-date average through September 28, 2026 is $5.010 per gallon over 39 weekly readings... the weekly low of 2026 was $3.459 (week of January 12, 2026); the high was $6.529 (week of September 21, 2026) . (https://weeklydiesel.com/history/2026/) - [2026-09-30] EIA spot ultra-low-sulfur diesel prices (used as a wholesale proxy) for recent weeks show NY Harbor near $5.00/gal and Gulf Coast near $4.87-4.99/gal, with Release Date: 9/30/2026, Next Release Date: 10/7/2026 — another data point due before the market closes. (https://www.eia.gov/dnav/pet/pet_pri_spt_s1_d.htm) BOTTOM LINE: The most recent official EIA retail reading (week ending 9/28/2026) puts U.S. on-highway diesel at $6.382/gal — just below the $6.40 strike — after peaking at a record $6.529 the prior week; tight distillate inventories and an ongoing Iran-war/Hormuz risk premium argue for continued elevated prices, but a pullback in crude (WTI near $91) and EU/IEA diesel-and-crude stock-release talks plus a possible US diesel-export ban are near-term bearish catalysts that could keep the price hovering right around the $6.40 line through October 31. NOT FOUND: No EIA weekly diesel release for weeks after 9/28/2026 was available (next scheduled 10/6/2026, then subsequent Tuesdays through the Oct 31 close); could not confirm whether the EU diesel/crude stock-release proposal was finalized or whether a formal US diesel-export ban was enacted.

- [2026-09-29] EIA's official weekly on-highway diesel series shows: $5.652 (08/24), $5.599 (08/31), $5.967 (09/07), $6.285 (09/14), $6.529 (09/21), $6.382 (09/28) — i.e. the most recent reading (week market opened) sits above $6.40 after peaking at $6.529 the prior week, then pulling back. Diesel (On-Highway) - All Types weekly prices were 5.652, 5.599, 5.967, 6.285, 6.529, 6.382 (1994-2026 series) . Source: https://www.eia.gov/dnav/pet/pet_pri_gnd_dcus_nus_w.htm - [2026-09-30] Across all of 2026, the 2026 year-to-date average through September 28, 2026 is $5.010 per gallon over 39 weekly readings, with a weekly low of $3.459 and a high of $6.529 , meaning the current level near/above $6.40 is near the extreme top of this year's range, not the norm. Source: https://weeklydiesel.com/history/2026/ - [2026-09-30] The base-rate trend this year has been sharply upward since a geopolitical shock: diesel rose from the low-$3s in January to the high-$5s by spring, dipped through early summer to about $4.57 (July 6), then rallied again from July through September, crossing $6 for the first time ever in early September. Source: https://weeklydiesel.com/history/2026/ - [2026-09-11] NPR reported diesel prices hit yet another record on Friday, soaring past $6 a gallon on average, with the national average of $6.05 up from $5.85 last week and $3.70 a year earlier , attributing the surge to the US-Israel-Iran conflict disrupting fuel flows. Source: https://www.npr.org/2026/09/11/g-s1-142842/us-diesel-6-a-gallon - [2026-09-04] GasBuddy's survey (a different, retail-pump-based measure) independently confirmed the historic nature of this move: the national average price of diesel reached a new all-time record high of $5.85 per gallon, surpassing the previous record of $5.82 per gallon set in June 2022 . Source: https://www.gasbuddy.com/newsroom/pressrelease/2026/09/04/1174 - [2026-09-24] An industry analysis (Shale Magazine/Rapier) noted that for 2026 to beat the full-year 2022 diesel record ($4.989 avg), diesel only needed to average about $5.20/gal for the remaining 16 weeks of the year — far below the September levels already seen — and calculated that if the September 7 prices simply remained unchanged through year-end, diesel would finish 2026 at roughly $5.22 per gallon, comfortably above the 2022 record . This signals that market participants/analysts see sustained elevated diesel ($5+, and the market has since moved to $6+) as the new baseline for H2 2026, not a fleeting spike. - [2026-09-09] EIA's own Short-Term Energy Outlook (STEO), the agency's official forecast, substantially raised its diesel outlook: the September 2026 forecast for retail diesel price was $5.07/gal for 2026 (annual average) and $4.40/gal for 2027, up from a previous forecast of $4.85 and $4.07 respectively — these are annual averages, well below the current ~$6.38-6.53 weekly spot readings, implying EIA's own model expects some retreat from the September peak over the balance of the year, though the forecast was already stale relative to the subsequent run-up to $6.53. - [2026-09-09] The EIA STEO explicitly flagged the structural drivers keeping prices high into Q4: inventories of distillate fuel oil are forecast to fall below 100 million barrels in September and remain below the five-year (2021–2025) low through the end of 2026 and most of 2027, and low distillate inventories contribute to higher domestic diesel prices, an effect expected to be particularly pronounced because of seasonal drops in distillate production and seasonal increases in distillate consumption during fall and winter . This is a bullish seasonal base-rate factor for Oct/Nov. - [2026-09-24] The same analysis noted a potential downside catalyst that could reverse the base rate quickly: a ceasefire or meaningful restoration of energy flows through the Strait of Hormuz could bring crude and refined-product prices down quickly, and restored refinery operations in Russia or the Middle East could ease the distillate squeeze . - [2026-10-01] A news brief referenced in secondary tracker commentary flagged an active policy risk for the question window: a headline titled "Diesel hits $6.30 a gallon as Trump weighs export curbs" — indicating a live U.S. policy debate (potential export restrictions) that could materially move prices either direction before Oct 31. Source: https://fueldataportal.com/data/us-diesel-price - [2026-10-03] Historical context: diesel has never averaged above $6.40 nationally before 2026; the prior spike in 2022 topped out near $5.82 , and the 2026 move into the mid-$6 range is an unprecedented base-rate event driven by the acute 2026 Iran-related oil-supply shock rather than a recurring seasonal pattern. BOTTOM LINE: The reference class (EIA weekly on-highway diesel, 1994–2026) shows diesel has only ever been in the $6.30–$6.53 zone during the last two weeks of this unprecedented 2026 crisis-driven spike, with the week ending Sept 28 at $6.382 — just under the $6.40 threshold after pulling back from a $6.529 peak; seasonal fall/winter demand and low distillate inventories are a structural tailwind for staying elevated through October, but EIA's own forecast and potential policy/geopolitical de-escalation (ceasefire, export curbs reversal) represent plausible mean-reversion risks, so the historical/seasonal base rate is roughly a coin-flip tilted slightly toward prices staying near or above $6.40 absent a de-escalation catalyst. NOT FOUND: No dedicated historical base-rate study of how often diesel crosses specific round-number thresholds (e.g., $6.40) exists in available sources; no explicit third-party probabilistic forecast (e.g., bank or analyst survey) for the October 31, 2026 diesel price specifically was found, only the EIA STEO annual-average forecast and informal analyst commentary.

YES means: the diesel price measure Kalshi tracks for October 31, 2026 (most likely EIA's weekly U.S. on-highway diesel, all types) closes above $6.40/gallon. - [2026-10-02] AAA's national average retail diesel price stood at $6.37/gallon on Oct. 2, confirming diesel remains in record territory just one business week after the EIA print of $6.382, and TT reported the average retail cost of diesel in the U.S. was $6.37 per gallon as of Oct. 2, according to auto club AAA. (https://www.ttnews.com/articles/trump-no-diesel-export-ban) - [2026-10-02] Trump explicitly ruled out a U.S. diesel export ban — the single most bearish policy lever for domestic pump prices — after the G7 stockpile deal, stating “And we’re not going to be doing the export ban.” Removing this threat eliminates the main mechanism that would have redirected supply back into the domestic market and capped U.S. pump prices. (https://www.ttnews.com/articles/trump-no-diesel-export-ban) - [2026-10-02] The administration's own oil executives and energy officials, including the Energy Secretary, argued a ban would be self-defeating because limiting foreign diesel sales would at most provide only short-term price relief followed by a rapid upswing in costs as swelling domestic inventories prompt U.S. oil producers and refiners to cut production — meaning the bearish export-ban narrative was never a credible downside path, strengthening the case prices stay elevated. (https://www.ttnews.com/articles/trump-no-diesel-export-ban) - [2026-10-02] The G7/IEA emergency release is explicitly a slow-drip measure, not an immediate flood: TT reports Supplies are set to be released over the next four months, with an initial focus on diesel , meaning most of the barrels will not hit the U.S. physical diesel market before the Oct. 31 close, limiting near-term downward price pressure. (https://www.ttnews.com/articles/trump-no-diesel-export-ban) - [2026-10-02] CNBC confirms the vast majority of the U.S. contribution to the release is crude, not diesel: the U.S. pledged 172 million barrels, all crude, meaning no direct US diesel-barrel injection is scheduled to ease the specific product that is above $6.40 — supporting continued tightness in the diesel market specifically even as crude eases. - [2026-09-30] Russia, the world's second-largest diesel exporter, has extended its own export restriction, with Vedomosti reporting Russia, the world's second-largest diesel exporter after the U.S., has extended its diesel export ban until October 31 — directly coinciding with the market's close date and keeping a major global diesel supply source off international markets through the entire question window. (https://ourfiniteworld.com/2026/09/30/can-the-diesel-and-jet-fuel-shortage-be-solved) - [2026-09-21] Industry reporting on the physical market shows storage/logistics stress rather than glut: North American diesel storage brokers found Refiners and traders across North America are declining to renew diesel storage leases because there is little fuel available to store... Diesel storage capacity available for leasing in North America and the Caribbean Islands, a major trading hub, has climbed to a four-year high of 13 million barrels for October, from 11 million barrels in June — tanks sitting empty, not overflowing, consistent with continued scarcity into October. (https://www.rte.ie/news/business/2026/0921/1592418-diesel-shortage) - [2026-08-26] S&P Global Platts reporting on refining capacity constraints found analysts concluding "US refinery utilization is already near operational maximum levels and has been for several months," O'Neil said. "Outside of directly paying refiners to delay September-November turnarounds, which would be costly and potentially politically difficult, there's really not much available." This structural refining ceiling means no near-term domestic supply response is available to offset tight distillate stocks through October. (https://www.spglobal.com/energy/en/news-research/latest-news/crude-oil/082626-us-has-few-options-to-boost-refining-amid-global-diesel-shortage-analysts) - [2026-09-?] Energy-market commentary notes the record crack spread underlying the retail price: The US diesel crack spread — the premium of ultra-low sulfur diesel futures over US crude oil futures — hit a record $118.62 a barrel on September 14 , showing diesel's premium over crude is itself at an all-time high and has been largely decoupled from crude's recent pullback (WTI near $91-93), meaning even a softer crude tape need not pull diesel back below $6.40. (https://energynow.com/2026/09/global-diesel-shortage-likely-to-last-into-2027-as-storage-tanks-drain/) - [2026-09-30] The same industry sourcing concludes the tightness is durable, not transient: any escalation in the Iran or Russia-Ukraine wars, or a major refinery outage, could trigger fresh price spikes. "Current fundamentals point to higher prices staying here for a while," Hodes said. This underscores asymmetric upside risk (new spikes) versus limited near-term downside catalysts. (https://energynow.com/2026/09/global-diesel-shortage-likely-to-last-into-2027-as-storage-tanks-drain/) - [2026-10-01] China's refiners have also pulled back from export markets during Golden Week, with reporting that PetroChina cancelled the majority of its gasoline and jet-fuel shipments for October, removing a potential relief valve that analysts had cited (Verleger) as a possible source of extra global refined-product supply. (https://ourfiniteworld.com/2026/09/30/can-the-diesel-and-jet-fuel-shortage-be-solved) BOTTOM LINE: The strongest YES case rests on: (1) the AAA/EIA readings sitting right at $6.37-6.38 just before the close, (2) the Oct. 2 removal of the one credible bearish domestic policy lever (export ban) now explicitly ruled out by Trump, (3) the G7/IEA release being slow, crude-heavy and unlikely to meaningfully add diesel barrels to the U.S. market before Oct. 31, and (4) persistent structural tightness (refineries at capacity, record crack spreads, Russian export ban extended through Oct. 31, empty storage tanks) — collectively a plausible, evidence-backed path for diesel to hold at or reclaim the $6.40 threshold by month's end. NOT FOUND: No EIA weekly diesel reading for weeks after Sept. 28 (next due Oct. 6, 13, 20, 27) was available to confirm an actual re-acceleration above $6.40; could not find the exact volume/timing of diesel-specific barrels (versus crude) reaching the physical U.S. market before Oct. 31 under the G7 release.

YES means: the diesel price reported for October 31, 2026 (the relevant retail/benchmark reading, per Kalshi's resolution source) comes in above $6.40/gallon. This dimension argues the case for NO — i.e., that the reading stays at or below $6.40. - [2026-10-02] President Trump explicitly dropped the threatened U.S. diesel export ban, telling reporters “Europe has a lot of diesel and they’re going to be making a major world contribution — and so are we,” and “And we’re not going to be doing the export ban.” Removing a credible bullish catalyst (a ban would have kept more barrels domestic, pushing prices up) removes a key upside risk to the $6.40 strike. Source: https://www.ttnews.com/articles/trump-no-diesel-export-ban - [2026-10-02] G7/IEA partners agreed to a coordinated emergency release described as "agreed to release as much as 100 million barrels of emergency oil and diesel stocks Oct. 2, after an intense pressure campaign from the Trump administration" , with "Emergency supplies will be released over four months" and a front-loaded diesel tranche in the first 20 days (per outlookindia/headtopics coverage). This is a direct, near-term supply injection aimed at the exact commodity underlying the strike, landing squarely within the Oct 3–31 question window. Source: https://www.ttnews.com/articles/trump-no-diesel-export-ban - [2026-10-02] Market reaction was immediate and sizable: Reuters reported "Oil prices fell more than $3 and European gasoil futures dropped over 4% on Friday after reports of talks in Europe on additional diesel and crude stock releases, easing concerns over tight global energy supplies," with one strategist noting "The whole energy complex trades lower, led by gasoil and ULSD" . Gasoil (the European diesel-price benchmark) is the most direct leading indicator for U.S. diesel, and its sharp selloff signals downward pressure flowing into U.S. wholesale/retail diesel in the following weeks. Source: https://finance.yahoo.com/energy/articles/oil-rises-slightly-market-weighs-010952829.html - [2026-10-02] A separate wire reported the crude leg of the selloff in detail: "Brent was down $1.80, or 1.76%, at $100.50 a barrel... West Texas Intermediate dropped $2.02, or 2.18%, to $90.85 a barrel" , with weekly declines of "down about 2.84% so far with WTI around 1.54% lower" for Brent/WTI respectively — a multi-day downtrend in crude inputs that typically feeds through to pump diesel with a 1-3 week lag, i.e., before Oct 31. Source: https://www.kitco.com/news/off-the-wire/2026-10-02/oil-prices-drop-europe-agrees-release-diesel-reserves - [2026-10-02] AAA's own daily tracker (distinct from EIA's weekly survey) already shows diesel retreating: Bloomberg/TTNews cite "The national average price of a gallon of diesel in the US was $6.37 on Friday, according to AAA" , down from the Sept 22 record, i.e., AAA's real-time read was already below the $6.40 strike two days before the resolution-relevant trading window closes further on momentum from the G7 release news. - [2026-10-01] AAA's own newsroom headline for its most recent release states the trend directionally: "National Average Dips Following Record-Setting September" — the official AAA framing of the most recent data point is a decline, not a resumption of the climb toward/above $6.40. Source: https://newsroom.aaa.com/category/fuel-prices/ - [2026-10-01] A third-party aggregator of AAA's daily diesel series shows the AAA national average diesel price at "2026-10-01 6.39 USD/Gallon" , confirming the sub-$6.40 reading persisted into October, one day before the G7 release news, which should reinforce rather than reverse the decline. Source: https://en.macromicro.me/collections/27425/oil-spread/80621/aaa-daily-national-average-gasoline-prices - [2026-09-28] The same AAA daily series had diesel at "2026-09-28 6.45" , meaning the daily AAA figure has already fallen from 6.45 to 6.39 over roughly 3 days even before the Oct 2 G7 announcement — establishing an independent, pre-existing downward trajectory this dimension's NO case can point to, not just a reaction to news. Source: https://en.macromicro.me/series/23010/aaa-daily-national-average-gasoline-prices - [2026-10-02] Industry veto risk for any U.S. supply-restriction policy remains loud: EU trade chief Maros Sefcovic called a hypothetical ban "'unexpected for Europeans,'" warning it "would have very dramatic consequences for our economic performance" , and oil executives internally warned (per TTNews reporting) that export curbs would only give short-term relief before backfiring — reinforcing why Trump's reversal is likely durable through Oct 31 rather than a one-day statement that gets revisited upward. Source: https://www.france24.com/en/europe/20261001-us-europe-diesel-reserves-fuel-prices - [2026-10-02] A parallel bearish lever under active consideration: TTNews reports the administration is weighing "allowing tax-exempt dyed diesel in highway vehicles" , which would effectively expand legal diesel supply available to truckers and could further suppress measured on-highway diesel demand/price pressure before month-end if implemented. - [2026-10-02] Supply-side easing is not limited to policy: the same reporting cycle noted oil prices fell about 3% as markets reacted to discussions about releasing emergency diesel and crude stockpiles, easing concerns about tightening energy supplies , with European gasoil futures down over 5% intraday — a magnitude of single-day decline rarely reversed within four weeks absent a fresh supply shock. BOTTOM LINE: Since the market opened (diesel near/above $6.40), the single largest news event of the window — the Oct 2 G7/IEA 100-million-barrel diesel-and-crude release plus Trump's explicit reversal of the export-ban threat — triggered a sharp, multi-indicator selloff (crude down $2-3, gasoil futures down 4-5%, AAA's daily diesel average already at $6.37-6.39 and falling), giving the NO case a concrete, dated mechanism for the price to stay at or below $6.40 through October 31, reversing the prior week's record-driven momentum. NOT FOUND: No AAA or EIA reading for diesel after Oct 2, 2026 was available (EIA's next weekly release is Oct 6, within the window); could not confirm how much of the 100-million-barrel release had actually been delivered versus merely announced, nor whether the "frontloaded" diesel tranche had reached U.S. markets by Oct 31.