How long will the government shutdown last?
Short Answer
Both the model and the market overwhelmingly agree that the government shutdown will last at least one day, with only minor residual uncertainty.
1. Executive Verdict
- Policy divergence on DHS funding persists between House and Senate.
- Significant political gridlock strongly indicates a prolonged government shutdown.
- Operational failures and staff resignations will intensify around day 40.
- The highway bill deadline on September 30, 2026, presents an off-ramp.
- Recent market data shows significant volatility over the past week.
Who Wins and Why
| Outcome | Market | Model | Why |
|---|---|---|---|
| At least 50 days | 97.0% | 96.5% | Research does not highlight strong supporting evidence. |
| At least 60 days | 70.0% | 67.1% | Research does not highlight strong supporting evidence. |
| At least 90 days | 23.0% | 22.9% | Research does not highlight strong supporting evidence. |
| At least 55 days | 89.0% | 87.4% | Research does not highlight strong supporting evidence. |
| At least 100 days | 14.0% | 14.3% | Research does not highlight strong supporting evidence. |
2. Market Behavior & Price Dynamics
Historical Price (Probability)
Outcome probability
Date
This prediction market shows a strong upward trend, with the probability of a government shutdown lasting through the resolution date increasing from a starting point of 42.0% to its current price of 97.0%. The most notable feature of the chart is a period of extreme volatility in late March and early April 2026. The price experienced a series of significant spikes between March 26th and March 28th, rising from 56.0% to 96.0%. This was followed by a dramatic 42.0 percentage point drop on April 1st, only to be completely reversed by a 41.0 percentage point spike the very next day. Without additional news context, the specific catalysts for this sharp reversal and the preceding run-up cannot be determined from the price action alone.
The total trading volume of over 2.3 million contracts indicates substantial market interest. The period of high volatility was likely accompanied by heavy trading, suggesting strong conviction from participants on both sides of the market before a new consensus was formed. From a technical perspective, the price faced significant resistance near the 99.0% level before the sharp drop on April 1st. The mid-50s range (specifically 56.0%-57.0%) appears to have acted as a key support level, holding on March 26th and again during the April 1st decline. The market's sharp recovery and subsequent stabilization at 97.0% suggests that the sentiment is now overwhelmingly confident in a "YES" resolution, having decisively broken past prior resistance after testing and holding support.
3. Significant Price Movements
Notable price changes detected in the chart, along with research into what caused each movement.
Outcome: At least 55 days
📈 April 02, 2026: 68.0pp spike
Price increased from 24.0% to 92.0%
What happened: No supporting research available for this anomaly.
📉 April 01, 2026: 77.0pp drop
Price decreased from 95.0% to 18.0%
What happened: No supporting research available for this anomaly.
📈 March 27, 2026: 28.0pp spike
Price increased from 54.0% to 82.0%
What happened: No supporting research available for this anomaly.
📈 March 26, 2026: 23.0pp spike
Price increased from 36.0% to 59.0%
What happened: No supporting research available for this anomaly.
Outcome: At least 60 days
📈 March 28, 2026: 17.0pp spike
Price increased from 62.0% to 79.0%
What happened: No supporting research available for this anomaly.
4. Market Data
Contract Snapshot
This market resolves to "Yes" if the first US federal government shutdown, caused by a lapse of appropriations between February 7 and December 31, 2026, lasts at least 50 days; otherwise, it resolves to "No." Shutdown status is recorded daily at 10:00 AM ET, and "at least X days" implies the shutdown is in effect at that time on X+1 consecutive days. Partial shutdowns are included, and specific rules apply for determining when a shutdown has ended, particularly for the Department of Homeland Security.
Available Contracts
Market options and current pricing
| Outcome bucket | Yes (price) | No (price) | Last trade probability |
|---|---|---|---|
| At least 50 days | $0.98 | $0.03 | 97% |
| At least 55 days | $0.89 | $0.12 | 89% |
| At least 60 days | $0.74 | $0.30 | 70% |
| At least 70 days | $0.53 | $0.52 | 53% |
| At least 80 days | $0.30 | $0.72 | 31% |
| At least 90 days | $0.22 | $0.79 | 23% |
| At least 100 days | $0.15 | $0.86 | 14% |
| At least 120 days | $0.13 | $0.89 | 14% |
| At least 110 days | $0.11 | $0.91 | 11% |
| At least 130 days | $0.07 | $0.94 | 7% |
| At least 140 days | $0.05 | $0.96 | 5% |
| At least 150 days | $0.03 | $0.98 | 4% |
| At least 200 days | $0.03 | $1.00 | 3% |
| At least 300 days | $0.02 | $1.00 | 2% |
Market Discussion
Traders on Kalshi are actively predicting a prolonged government shutdown, with a strong consensus leaning towards longer durations. The market indicates a 70% chance of the shutdown lasting at least 60 days and a 53% chance of it extending to at least 70 days. Users are expressing confidence in their "Yes" positions for these longer durations, reflecting a widespread belief that the shutdown will be substantial.
5. What Separates House and Senate DHS Funding Proposals?
| Primary Disagreement Point | Funding for Immigration and Customs Enforcement (ICE) [^] |
|---|---|
| House Proposal Stance | Aims to fully fund DHS, including ICE [^] |
| Senate Proposal Stance | Excludes funding for certain parts of ICE [^] |
The primary policy disagreement centers on Immigration and Customs Enforcement (ICE) funding. The House leadership's latest appropriations offer, specifically their Department of Homeland Security (DHS) funding bill passed on March 27, 2026, aimed to fully fund the department, which by implication included ICE [^]. This position is in direct contrast to the Senate's bipartisan proposal, approved around the same period, which also sought to fund DHS but explicitly excepted specific parts related to ICE [^].
House and Senate proposals diverge fundamentally on ICE's operational scope. This represents a core point of contention, with the House advocating for the maintenance of full funding for ICE operations, while the Senate's proposal suggests defunding or altering particular components of the agency [^]. While research confirms the existence of distinct House and Senate proposals and their clear policy divergence on ICE, the precise dollar-figure gap separating the two offers is not explicitly detailed in the available information [^].
6. What is the whip count for a clean CR discharge petition and private signals?
| Discharge Petition Mechanism | Official U.S. House of Representatives legislative tool [^] |
|---|---|
| Leadership Impact | Challenges House leadership, as noted in January 2026 [^] |
| Budget Plot Reference | A "Discharge Petition Plot" regarding the federal budget exists [^] |
No specific information was found regarding the exact whip count for a discharge petition in the House aimed at forcing a vote on a clean Continuing Resolution. Research did not detail the specific members of the majority party from Biden-won districts who have privately signaled to lobbyists or leadership their intent to sign if a government shutdown extends past 10 days. While a "Discharge Petition Plot" concerning the federal budget is mentioned [^], it does not provide the requested signatory data or private commitments.
Discharge petitions are formal, challenging legislative tools in the House. These petitions are recognized as an official legislative mechanism within the U.S. House of Representatives, with their records maintained by the Office of the Clerk [^]. They can pose significant challenges for House leadership; for example, a January 2026 NPR report highlighted Speaker Mike Johnson's "woes" concerning the active use of these procedural tools, specifically mentioning a discharge petition related to health care subsidies [^].
7. What operational failures occur during government shutdowns at key agencies?
| Flight Delay Onset | Day 7 of shutdown [^] |
|---|---|
| Air Traffic Controller Absences | Nearly half of major U.S. airports by Day 31 [^] |
| TSA Officer Resignations | Over 450 by March 24, 2026 [^] |
Agencies face operational challenges during government shutdowns, lacking specific failure projections. The research indicates that while specific projections of critical operational failures from internal OMB and GAO reports are not provided, federal agencies like the Federal Aviation Administration (FAA) face significant challenges. For instance, flight delays caused by staffing shortages have been observed as early as the seventh day of a shutdown [^]. Furthermore, absences among air traffic controllers surged, impacting nearly half of major U.S. airports as a shutdown neared its 31st day, leading to anticipated further disruptions [^].
TSA faced severe staffing and operational issues during funding lapses. The Transportation Security Administration (TSA) experienced considerable staffing shortages, with over 450 airport officers reportedly quitting by March 24, 2026, during a funding standoff, which raised significant security concerns [^]. This led to unpredictable wait times for travelers [^]. By the 40th day of a Homeland Security funding dispute, the TSA head warned of potential airport shutdowns due to record-high passenger wait times [^]. These cases underscore the severe operational impacts faced by these crucial agencies during prolonged funding lapses.
8. Did Senate Leader, WH Chief Engage in DHS Shutdown Talks?
| Negotiation Participants | Senate Democratic leadership [^] |
|---|---|
| Talk Description | Democratic Leader Chuck Schumer called talks "constructive" [^] |
| House Action | House GOP rejected "Senate DHS deal" [^] |
High-level DHS shutdown negotiations occurred, but specific back-channels are not explicitly detailed. While discussions concerning a Department of Homeland Security (DHS) shutdown involved Senate Democratic leadership and were characterized as "constructive" and included "backroom negotiations" that led to a Senate deal, the research does not explicitly detail active back-channel negotiations specifically between the Senate Minority Leader and the White House Chief of Staff [^]. Furthermore, the available information does not explicitly state that the goal of any specific back-channel negotiations between these two individuals was to secure 60+ Senate votes to isolate House leadership and compel a vote [^].
A Senate-crafted deal emerged, though House opposition prolonged the shutdown. Democratic Leader Chuck Schumer described the DHS funding talks as "constructive," even amidst reports of former President Trump attempting to "sabotage negotiations" at the time [^]. Republican leaders in Congress also announced that they had reached an agreement to end the record-long shutdown at DHS [^]. However, this "Senate DHS deal" was subsequently rejected by the House GOP, which resulted in the shutdown being prolonged [^]. The sources confirm the existence of ongoing, high-level negotiations and a Senate-produced deal, but do not specify the precise nature or intent of any direct back-channel communication between the Senate Minority Leader and the White House Chief of Staff to achieve a 60-vote threshold to isolate House leadership [^].
9. When is the next major must-pass legislative deadline?
| Next major legislative vehicle | Highway bill [^] |
|---|---|
| Deadline for highway bill | September 30, 2026 [^] |
| Legislative importance | Must-pass measure, opportunity for other funding [^] |
The highway bill is the next critical legislative vehicle with a hard deadline. This legislation must be addressed by September 30, 2026, making it a 'must-pass' measure for Congress [^]. Its reauthorization or extension is essential for financing federal transportation projects, and failing to meet this deadline would likely lead to significant disruption for infrastructure initiatives across the nation [^].
Major legislative bills frequently serve as opportunities for attaching funding measures or policy riders. Historically, vehicles like highway or farm bills often become conduits for various funding initiatives, especially during periods of fiscal uncertainty or when annual appropriations bills are stalled [^]. While ongoing direct funding crises, such as battles over Department of Homeland Security appropriations in early 2026, continue [^], the highway bill provides a distinct legislative path that Congress is compelled to tackle, potentially allowing for the inclusion or reconciliation of other critical funding measures before its September 30 deadline [^].
10. What Could Change the Odds
Key Catalysts
Catalyst analysis unavailable.
Key Dates & Catalysts
- Expiration: January 01, 2027
- Closes: January 01, 2027
11. Decision-Flipping Events
- Trigger: Catalyst analysis unavailable.
13. Related News
Last updated: April 3, 2026, 12:13 UTC
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14. Historical Resolutions
Historical Resolutions: 14 markets in this series
Outcomes: 14 resolved YES, 0 resolved NO
Recent resolutions:
- KXGOVTSHUTLENGTH-26FEB07-G45: YES (Mar 31, 2026)
- KXGOVTSHUTLENGTH-26FEB07-G43: YES (Mar 29, 2026)
- KXGOVTSHUTLENGTH-26FEB07-G40: YES (Mar 26, 2026)
- KXGOVTSHUTLENGTH-26FEB07-G35: YES (Mar 21, 2026)
- KXGOVTSHUTLENGTH-26FEB07-G30: YES (Mar 17, 2026)
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