SCHEDULED85% CONFIDENCEFormula 1's[2] own 2027 schedule gives this round's weekend as "08 - 10 Oct"; the Grand Prix is run on the Sunday, the last day of the weekend.
Formula 1's original night race runs under floodlights around Marina Bay, in humidity that costs drivers several kilos a race.
ESTIMATED50% CONFIDENCEClinicalTrials.gov[1] lists 2027-10-18 as the estimated primary completion date; a sponsor's estimate, and trials of this size routinely slip.
Merck & Co.'s phase 3 trial of MK-8527 in human immunodeficiency virus reaches primary completion, the point at which the last participant's primary outcome is measured. The trial enrolled 4,580 participants. Researchers are looking for new medicines to prevent HIV-1 (Human Immunodeficiency Virus Type 1) infection. The goals of this study are to learn: * If taking MK-8527 once a month works to prevent HIV-1 infection better than a standard (usual) pre-exposure prophylaxis (PrEP) taken once a day * About the safety of MK-8527 and if people tolerate it
SCHEDULED75% CONFIDENCEWikipedia[1] states "General elections are scheduled to take place in Argentina on 24 October 2027", the fourth Sunday of October that Argentine law sets for a general election.
Argentines choose a president and renew Congress on 24 October 2027, the first presidential election since Javier Milei's 2023 win.
Circuit of the Americas, Austin, Texas, United StatesFormula 1
SCHEDULED85% CONFIDENCEFormula 1's[2] own 2027 schedule gives this round's weekend as "22 - 24 Oct"; the Grand Prix is run on the Sunday, the last day of the weekend.
Austin's purpose-built circuit opens with a blind 40-metre climb into a hairpin, and borrows corners from Silverstone, Istanbul and Hockenheim.
SCHEDULED85% CONFIDENCEThe Federal Reserve's[2] published FOMC calendar lists the meeting as "October 26-27" 2027, and Kalshi's[1] market for it strikes at the decision time on the second day. The Fed adds that "Each meeting date is tentative until confirmed at the meeting immediately preceding it".
Kalshi
The FOMC announces its rate decision on the second day of its October 26-27 2027 meeting. On 21 September 2026 Kalshi last traded Fed maintains rate 54%, Hike 25bps 46%, Cut 25bps 7%.
Arbutus Station, Kitsilano, Vancouver, British Columbia, Canada
DELAYED2 years late68% CONFIDENCEGiven as scheduled, per the source[1]: "testing continuing in stages throughout 2027 ahead of the planned opening in autumn 2027."
A five-kilometre SkyTrain extension meant to unlock a taller, denser Broadway Corridor in Vancouver has slipped from its original early-2026 target to autumn 2027.
Autodromo Hermanos Rodriguez, Mexico City, MexicoFormula 1
SCHEDULED85% CONFIDENCEFormula 1's[2] own 2027 schedule gives this round's weekend as "29 - 31 Oct"; the Grand Prix is run on the Sunday, the last day of the weekend.
At 2,200 metres above sea level the air is thin enough to change how the cars cool, brake and make power, and the lap ends through a baseball stadium.
SCHEDULED80% CONFIDENCEThe Bureau of Meteorology fixes the season rather than forecasting it: "The official tropical cyclone season in the Australian region runs from 1 November to 30 April." The pin ends at the exclusive 00:00Z boundary of 1 May 2028.[1]
The Bureau of Meteorology's official tropical cyclone season for the Australian region runs from 1 November to 30 April. An average season brings 10 cyclones, three or four of which cross the coast.
Boston City Hall, 1, Congress Street, Government Center/Faneuil Hall, Downtown, Boston, Suffolk County, Massachusetts, 02201, United StatesCity of Boston
ESTIMATED64% CONFIDENCEEstimated: Wikipedia[1][5] gives the next council election as "November 2027"; Boston's general municipal elections fall on the Tuesday after the first Monday in November (boston.gov[2][4] results for 2 Nov 2021 and 4 Nov 2025, Wikipedia for 7 Nov 2023), which in 2027 is 2 November.
All 13 Boston City Council seats, nine district and four at-large, are up for their regular two-year election, the first test of the council after Wu's re-election.
ESTIMATED50% CONFIDENCEClinicalTrials.gov[1] lists 2027-11-04 as the estimated primary completion date; a sponsor's estimate, and trials of this size routinely slip.
AstraZeneca's phase 3 trial of Tozorakimab in viral lung infection and acute respiratory failure reaches primary completion, the point at which the last participant's primary outcome is measured. The trial enrolled 3,527 participants. The purpose of this study is to evaluate the effect of tozorakimab, as an add-on to SoC in patients with viral lung infection requiring supplemental oxygen, on the prevention of death or progression to IMV/ECMO.
Autodromo Jose Carlos Pace, Interlagos, Sao Paulo, BrazilFormula 1
SCHEDULED85% CONFIDENCEFormula 1's[2] own 2027 schedule gives this round's weekend as "05 - 07 Nov"; the Grand Prix is run on the Sunday, the last day of the weekend.
Interlagos runs anticlockwise over a hillside, is short enough to bunch the field, and has decided more championships late than anywhere else.
Las Vegas Strip Circuit, Las Vegas, Nevada, United StatesFormula 1
SCHEDULED85% CONFIDENCEFormula 1's[2] own 2027 schedule gives this round's weekend as "18 - 20 Nov"; the Grand Prix is run on the Saturday, the last day of the weekend.
The only race Formula 1 runs on a Saturday night, straight down the Strip past the casinos at close to 350 km/h.
SCHEDULED75% CONFIDENCEWikipedia[1] lists "November 24, 2027" as the scheduled release date, matching Geek Vibes Nation's[2] 2027 list.
Frozen 3 is an upcoming American animated musical fantasy film written and directed by Jennifer Lee. Produced by Walt Disney Animation Studios, it is the third feature film in the Frozen franchise, following Frozen II.
ESTIMATED73% CONFIDENCEReports target October to November 2027 with 2028 possible; AMD says its semi-custom chip is 'progressing well to support a launch in 2027'. The last day of November 2027 is used.[1]
Microsoft's next Xbox, Project Helix, uses a custom AMD chip with Zen 6 cores and RDNA 5 graphics; Microsoft has given no release date, with reports pointing to late 2027 and developer alpha hardware in 2027.
ESTIMATED70% CONFIDENCEEthiopia's hosting was endorsed by the African Group on the second day of COP30 and the conference is set for November 2027, but UNFCCC[1] has not yet published the exact days - so the pin takes the last day of the stated month.
The 32nd UN climate conference is held in Addis Ababa in November 2027, the first COP in sub-Saharan Africa in sixteen years, with the African Group holding the presidency.
DELAYED11 months late68% CONFIDENCENCTD's project page anticipated the platform "open to passengers in early 2027", while reporting from February 2026 has construction starting that spring and the station opening "in late-2027 or early-2028"; the date takes the later window.[1]
A new COASTER commuter-rail platform on Harbor Drive between 1st and 5th Streets, by the Gaslamp Quarter, the convention centre and Petco Park, with San Diego Trolley connections either side. The $33 million project also adds a pocket track so trains can run more often.
Baoshan Railway Station, Yanghang, Baoshan District, Shanghai, ChinaShentong Metro Group
ESTIMATED50% CONFIDENCEEnglish Wikipedia[1] says the line is "planned to finish construction and open between Baoshan Railway Station and Yierba Jinian Road in December 2027", a month with no day.
Line 19 will run 46.2 km with 34 stations from Baoshan Railway Station to Hongjian Road through six districts, built to ease traffic on Pudong South Road and crowding on the southern end of line 8 and the northern ends of lines 1 and 3. The northern section from Baoshan Railway Station to Yierba Jinian Road comes first; the southern section follows in 2029 and the middle section in 2031.
ESTIMATED50% CONFIDENCEClinicalTrials.gov[1] lists 2027-12-03 as the estimated primary completion date; a sponsor's estimate, and trials of this size routinely slip.
AstraZeneca's phase 3 trial of BGF MDI 320/14.4/9.6 μG in copd reaches primary completion, the point at which the last participant's primary outcome is measured. The trial enrolled 5,000 participants. This study will evaluate the effect of triple ICS/LAMA/LABA therapy with BGF MDI 320/14.4/9.6 μg on cardiopulmonary outcomes relative to LAMA/LABA therapy with GFF MDI 14.4/9.6 μg in a population with COPD and elevated cardiopulmonary risk.
Lusail International Circuit, Lusail, QatarFormula 1
SCHEDULED85% CONFIDENCEFormula 1's[2] own 2027 schedule gives this round's weekend as "03 - 05 Dec"; the Grand Prix is run on the Sunday, the last day of the weekend.
The penultimate round runs at night at Lusail, a fast, flowing circuit built for MotoGP and hard on tyres.
SCHEDULED85% CONFIDENCEThe Federal Reserve's[2] published FOMC calendar lists the meeting as "December 7-8" 2027, and Kalshi's[1] market for it strikes at the decision time on the second day. The Fed adds that "Each meeting date is tentative until confirmed at the meeting immediately preceding it".
Kalshi
The FOMC announces its rate decision on the second day of its December 7-8 2027 meeting. The meeting is one of the four in 2027 that comes with a Summary of Economic Projections - the "dot plot" - and a press conference. On 21 September 2026 Kalshi last traded Fed maintains rate 73%, Cut 25bps 13%, Hike 25bps 6%.
SCHEDULED83% CONFIDENCEFixed in the regulation, per the European Commission: "The main obligations introduced by the Act will apply from 11 December 2027", while the reporting obligations applied from 11 September 2026.[1]
Every obligation the Cyber Resilience Act carries comes into force: products with digital elements may only be placed on the EU market if they meet the Act's essential cybersecurity requirements, carry a conformity assessment and are supported with security updates for their declared support period.
Yas Marina Circuit, Yas Island, Abu Dhabi, United Arab EmiratesFormula 1
SCHEDULED85% CONFIDENCEFormula 1's[2] own 2027 schedule gives this round's weekend as "10 - 12 Dec"; the Grand Prix is run on the Sunday, the last day of the weekend.
The season ends at Yas Marina as the sun sets, and for the first time the finale is a Sprint weekend too.
SCHEDULED75% CONFIDENCEWikipedia[1] lists "December 17, 2027" as the scheduled release date, matching Geek Vibes Nation's[2] 2027 list.
The Lord of the Rings: The Hunt for Gollum is an upcoming fantasy film directed by Andy Serkis, written by Fran Walsh, Philippa Boyens, Phoebe Gittins, and Arty Papageorgiou, and based on characters created by J. Expanding on producer Peter Jackson's The Lord of the Rings (2001–2003) and The Hobbit (2012–2014) film trilogies, it follows Strider's hunt for Gollum between the events of the two trilogies and during the
SCHEDULED75% CONFIDENCEWikipedia[1] lists "December 17, 2027" as the scheduled release date, matching Geek Vibes Nation's[2] 2027 list.
Avengers: Doomsday and Avengers: Secret Wars are American superhero films based on the Marvel Comics superhero team the Avengers, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. They are respectively the fifth and sixth installments in the Avengers film series following Avengers: Endgame (2019), and the 39th and 40th films of the Marvel Cinematic Universe (MCU).
Nestlé Waters Supply Sud Source Perrier, Vergèze, Nîmes, Gard, Occitania, Metropolitan France, 30310, FranceNestlé
ESTIMATED68% CONFIDENCEThe prefect's decree of 18 December 2025 orders 'la poursuite d'un contrôle sanitaire renforcé sur une période de 24 mois sur les captages RVI et RVII' without saying when the period starts, so the end is estimated as 24 months after the decree.[1]
The 24-month reinforced health monitoring the Gard prefect imposed on Perrier's Romaine VI and VII boreholes runs out, and Nestlé must then show the spring's original purity and stable mineral content to keep its natural mineral water status.
ESTIMATED75% CONFIDENCEMetro's[1][3][4] D Line fact sheet forecasts Section 3 "Operations: Fall 2027", repeated in its September 9, 2026 community-meeting schedule; a season takes its last day.
Section 3 completes the nine-mile D Line extension with 2.56 miles and stations at Westwood/UCLA and Westwood/VA Hospital, putting the subway within reach of UCLA before the 2028 Olympics.
ESTIMATED50% CONFIDENCEClinicalTrials.gov[1] lists 2027-12-26 as the estimated primary completion date; a sponsor's estimate, and trials of this size routinely slip.
Amgen's phase 3 trial of Maridebart Cafraglutide in obesity reaches primary completion, the point at which the last participant's primary outcome is measured. The trial enrolled 3,200 participants. The primary objective of this trial is to evaluate the long-term efficacy, safety, and tolerability of maridebart cafraglutide in participants with obesity or overweight. Trial 20250197 is an extension of trial 20210181 (NCT06858839).
DELAYED12 months late64% CONFIDENCEGroundbreaking was originally targeted for 2026 but has since slipped. Given as scheduled, per the source[1]: "Vietnam is targeting the start of construction in December 2027."
Vietnam is set to break ground on a $67BN, 1,541km high-speed line linking Hanoi and Ho Chi Minh City, the largest infrastructure project in the country's history.
ESTIMATED50% CONFIDENCEMTR's Northern Link project site says "the main construction works have already been commenced in 2023, with a target to complete the entire project in 2027", giving a year rather than a day.[1]
Kwu Tung opens between Sheung Shui and Lok Ma Chau as the first railway station serving the Kwu Tung North new development area in Hong Kong's Northern Metropolis. It is being built by cut-and-cover directly above the operating Lok Ma Chau Spur Line tunnel, using box structures left in place when that tunnel was built, so East Rail trains keep running underneath.
ESTIMATED66% CONFIDENCEDecember 2027 is the official scheduled completion date (Deccan Chronicle[3], 8 December 2025), with the agencies pushing to finish before the Godavari Pushkaralu in July 2027. Wikipedia's[2] infobox instead expects July 2029. The pin keeps the official 2027 target its title is about, dated to the last day of that year, but as an estimate that later sources may not bear out.
India's Polavaram multi-purpose dam on the Godavari river, one of the country's largest irrigation and hydropower projects, is racing toward completion under a Rs 12,157 crore central funding boost.
ESTIMATED50% CONFIDENCEThe presidency's release says "se espera que en diciembre de 2027 esté concluida" (it is expected to be finished in December 2027), a month rather than a fixed day.[1]
The 11.4-kilometre cable car will run nine stations from Pedregal de San Nicolás in the Ajusco down to Metro Universidad, carrying an investment the presidency puts at "más de 4 mil 700 millones de pesos" (more than 4.7 billion pesos). Construction stood at 20 per cent when President Sheinbaum inspected the works in August 2026.
SCHEDULED74% CONFIDENCEGiven as scheduled, per the source[1]: "the airport says work will be completed on time and on budget in 2027."
Denver International Airport's long-running Great Hall renovation, meant to modernise its original 1995 terminal and add new security checkpoints, is now scheduled to finish by the end of 2027.
ESTIMATED69% CONFIDENCENo docking has been scheduled. Polymarket’s[2] dated ladder puts 3.2% on it happening by the end of 2026 and 51.5% by the end of 2027, so 2027 carries about 48 points against 3 for 2026; a year-only date takes its last day. Kalshi’s[1][3] "before 2028" market prices the whole question at 69%.
Kalshi
Polymarket
Docking two Starships is the step that makes orbital propellant transfer — and with it Artemis and Mars — possible. On 20 September 2026 Kalshi gave it a 69% chance before 2028, while Polymarket’s dated ladder put only 3.2% on it happening by the end of 2026 against 51.5% by the end of 2027.
ESTIMATED68% CONFIDENCEOnly the premiere year (2027) has been announced, per the title's MyAnimeList[1] listing and Anime News Network[2], so the pin sits at the end of that year.
The third TV season of Norio Sakurai's The Dangers in My Heart, TV Asahi's awkward-teen romcom about Kyotaro Ichikawa and Anna Yamada, is slated to return in 2027.
National Bureau of Economic Research, 1050 Massachusetts Ave, Cambridge, MA
ESTIMATED74% CONFIDENCEThe market asks only whether the two negative quarters fall anywhere between Q4 2026 and Q4 2027, so there is no single day to hang it on; by the convention for a year-only date the pin takes the last day of 2027. Kalshi[1][3] does not expire it until January 31, 2028, when the advance estimate for Q4 2027 is due. The 25% is the chance on Kalshi’s trade panel, which sits beside a 24¢ Yes price.
Kalshi
Polymarket
Kalshi’s recession market for 2027 prices the chance of two consecutive quarters of negative GDP growth between Q4 2026 and Q4 2027, on the Bureau of Economic Analysis’s advance estimates — despite the KXRECSSNBER ticker, no NBER call is involved. On 20 September 2026 it sat at 25%, its 2026 contract at 6%, and Polymarket’s cumulative "recession by end of 2027" book, which also counts an NBER announcement, was higher still at 34.5%.
ESTIMATED66% CONFIDENCEBlizzard's[2] own BlizzCon recap puts the character in 2027 - 'we reveal a clue about where 2027 is headed with a Hero 55 tease' - while IGN[1] and Game Rant[3] read the tease as a hero, or a fuller reveal, 'later this year'. Blizzard is followed here and the pin dated to the last day of 2027 as an estimate; no release window has been announced.
Blizzard slipped a first look at Overwatch's unnamed Hero 55, an Omnic support character, into a roster photo at BlizzCon 2026, following the reveal of new Support hero Doctrine, who launches with Season 5 on October 6.
ESTIMATED68% CONFIDENCENot released - the TD-1 is pre-order only, with a USD 100 refundable deposit, and 'preordered models are expected to ship in 2027' (https://www.yankodesign[3].com/2026/08/17/ruka-studios-td-1-vertical-turntable-turns-your-vinyl-collection-into-stunning-part-of-your-room/, 17 August 2026). Only a year is given, so 31 December 2027 is used.
Wall-mounted vertical turntable designed by a collective of former Apple engineers.
ESTIMATED50% CONFIDENCEDFW's own newsroom says "the first phase of the Terminal F expansion program is anticipated to open with 15 gates in 2027", giving a year rather than a day, so it sits at the end of that year.[1]
Phase one of DFW's sixth terminal opens with 15 gates, two and a half years after construction began in November 2024 and on a frame built from six prefabricated modules rolled into place by August 2025. DFW and American Airlines have since scaled the programme up to an eventual 31 gates at about $4 billion, with the rest of the terminal following by 2031.