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What will be in the UK Budget?

icon for What will be in the UK Budget?

What will be in the UK Budget?

NEW
Oct 28, 2026
Polymarket

$1,836 Vol.

Polymarket

CGT increase

$753 Vol.

64%

Fuel duty increase

$305 Vol.

30%

Land value tax

$158 Vol.

13%

Wealth tax

$619 Vol.

9%

The UK Autumn Budget 2026 is scheduled to be delivered to Parliament by Chancellor of the Exchequer John Healey on October 28, 2026. This market will resolve to "Yes" if the listed measure is announced in the 2026 Autumn Budget. Otherwise, this market will resolve to "No". For the purposes of this market, the listed options are defined as follows: - Wealth tax: the introduction of an annual percentage-based levy on the value of a person's assets. - Land value tax: the introduction of a percentage-based levy on the value of a person's home. - Fuel duty increase: an increase to the rate of fuel duty. - CGT increase: an increase to any rate of capital gains tax. A measure will only count if it is announced in the Chancellor's Budget speech or contained in the official Budget documents published by HM Treasury on the day of the Budget. Measures that are only consulted on, reviewed, or otherwise not announced as government policy will not count. For the fuel duty option, the ending or non-renewal of the existing fuel duty freeze, such that the rate of fuel duty rises, will count as an increase. If the 2026 Autumn Budget is delayed beyond October 28, 2026, this market will resolve according to the Budget whenever it is delivered, provided it is delivered by December 31, 2026, 11:59 PM ET. If no Budget is delivered by that date, this market will resolve to "No". The primary resolution source for this market will be official information from HM Treasury and the UK government, including the published Budget documents; however, a consensus of credible reporting will also be used.The UK’s October 28 Budget, Chancellor John Healey’s first under Prime Minister Andy Burnham, occurs against elevated public borrowing after August’s £18.3 billion deficit exceeded forecasts, pushing year-to-date figures above OBR projections and lifting gilt yields. Traders focus on how the government will meet its fiscal rules—balancing day-to-day spending and placing debt on a downward path—while honoring pledges not to raise income tax, National Insurance, VAT or corporation tax rates. Higher energy-driven inflation and borrowing costs have narrowed headroom, directing attention to potential revenue from capital gains, property or wealth-related measures alongside spending restraint or targeted support for housing, social care and defence. The OBR’s accompanying forecasts will embed current market-implied Bank of England rate paths and growth expectations near 1.2 percent for 2026.

The UK Autumn Budget 2026 is scheduled to be delivered to Parliament by Chancellor of the Exchequer John Healey on October 28, 2026.

This market will resolve to "Yes" if the listed measure is announced in the 2026 Autumn Budget. Otherwise, this market will resolve to "No".

For the purposes of this market, the listed options are defined as follows:

- Wealth tax: the introduction of an annual percentage-based levy on the value of a person's assets.
- Land value tax: the introduction of a percentage-based levy on the value of a person's home.
- Fuel duty increase: an increase to the rate of fuel duty.
- CGT increase: an increase to any rate of capital gains tax.

A measure will only count if it is announced in the Chancellor's Budget speech or contained in the official Budget documents published by HM Treasury on the day of the Budget. Measures that are only consulted on, reviewed, or otherwise not announced as government policy will not count.

For the fuel duty option, the ending or non-renewal of the existing fuel duty freeze, such that the rate of fuel duty rises, will count as an increase.

If the 2026 Autumn Budget is delayed beyond October 28, 2026, this market will resolve according to the Budget whenever it is delivered, provided it is delivered by December 31, 2026, 11:59 PM ET. If no Budget is delivered by that date, this market will resolve to "No".

The primary resolution source for this market will be official information from HM Treasury and the UK government, including the published Budget documents; however, a consensus of credible reporting will also be used.
The UK Autumn Budget 2026 is scheduled to be delivered to Parliament by Chancellor of the Exchequer John Healey on October 28, 2026. This market will resolve to "Yes" if the listed measure is announced in the 2026 Autumn Budget. Otherwise, this market will resolve to "No". For the purposes of this market, the listed options are defined as follows: - Wealth tax: the introduction of an annual percentage-based levy on the value of a person's assets. - Land value tax: the introduction of a percentage-based levy on the value of a person's home. - Fuel duty increase: an increase to the rate of fuel duty. - CGT increase: an increase to any rate of capital gains tax. A measure will only count if it is announced in the Chancellor's Budget speech or contained in the official Budget documents published by HM Treasury on the day of the Budget. Measures that are only consulted on, reviewed, or otherwise not announced as government policy will not count. For the fuel duty option, the ending or non-renewal of the existing fuel duty freeze, such that the rate of fuel duty rises, will count as an increase. If the 2026 Autumn Budget is delayed beyond October 28, 2026, this market will resolve according to the Budget whenever it is delivered, provided it is delivered by December 31, 2026, 11:59 PM ET. If no Budget is delivered by that date, this market will resolve to "No". The primary resolution source for this market will be official information from HM Treasury and the UK government, including the published Budget documents; however, a consensus of credible reporting will also be used.
Volume
$1,836
End Date
Oct 29, 2026
Market Opened
Sep 17, 2026, 6:56 PM ET
The UK Autumn Budget 2026 is scheduled to be delivered to Parliament by Chancellor of the Exchequer John Healey on October 28, 2026. This market will resolve to "Yes" if the listed measure is announced in the 2026 Autumn Budget. Otherwise, this market will resolve to "No". For the purposes of this market, the listed options are defined as follows: - Wealth tax: the introduction of an annual percentage-based levy on the value of a person's assets. - Land value tax: the introduction of a percentage-based levy on the value of a person's home. - Fuel duty increase: an increase to the rate of fuel duty. - CGT increase: an increase to any rate of capital gains tax. A measure will only count if it is announced in the Chancellor's Budget speech or contained in the official Budget documents published by HM Treasury on the day of the Budget. Measures that are only consulted on, reviewed, or otherwise not announced as government policy will not count. For the fuel duty option, the ending or non-renewal of the existing fuel duty freeze, such that the rate of fuel duty rises, will count as an increase. If the 2026 Autumn Budget is delayed beyond October 28, 2026, this market will resolve according to the Budget whenever it is delivered, provided it is delivered by December 31, 2026, 11:59 PM ET. If no Budget is delivered by that date, this market will resolve to "No". The primary resolution source for this market will be official information from HM Treasury and the UK government, including the published Budget documents; however, a consensus of credible reporting will also be used.The UK’s October 28 Budget, Chancellor John Healey’s first under Prime Minister Andy Burnham, occurs against elevated public borrowing after August’s £18.3 billion deficit exceeded forecasts, pushing year-to-date figures above OBR projections and lifting gilt yields. Traders focus on how the government will meet its fiscal rules—balancing day-to-day spending and placing debt on a downward path—while honoring pledges not to raise income tax, National Insurance, VAT or corporation tax rates. Higher energy-driven inflation and borrowing costs have narrowed headroom, directing attention to potential revenue from capital gains, property or wealth-related measures alongside spending restraint or targeted support for housing, social care and defence. The OBR’s accompanying forecasts will embed current market-implied Bank of England rate paths and growth expectations near 1.2 percent for 2026.

The UK Autumn Budget 2026 is scheduled to be delivered to Parliament by Chancellor of the Exchequer John Healey on October 28, 2026.

This market will resolve to "Yes" if the listed measure is announced in the 2026 Autumn Budget. Otherwise, this market will resolve to "No".

For the purposes of this market, the listed options are defined as follows:

- Wealth tax: the introduction of an annual percentage-based levy on the value of a person's assets.
- Land value tax: the introduction of a percentage-based levy on the value of a person's home.
- Fuel duty increase: an increase to the rate of fuel duty.
- CGT increase: an increase to any rate of capital gains tax.

A measure will only count if it is announced in the Chancellor's Budget speech or contained in the official Budget documents published by HM Treasury on the day of the Budget. Measures that are only consulted on, reviewed, or otherwise not announced as government policy will not count.

For the fuel duty option, the ending or non-renewal of the existing fuel duty freeze, such that the rate of fuel duty rises, will count as an increase.

If the 2026 Autumn Budget is delayed beyond October 28, 2026, this market will resolve according to the Budget whenever it is delivered, provided it is delivered by December 31, 2026, 11:59 PM ET. If no Budget is delivered by that date, this market will resolve to "No".

The primary resolution source for this market will be official information from HM Treasury and the UK government, including the published Budget documents; however, a consensus of credible reporting will also be used.
The UK Autumn Budget 2026 is scheduled to be delivered to Parliament by Chancellor of the Exchequer John Healey on October 28, 2026. This market will resolve to "Yes" if the listed measure is announced in the 2026 Autumn Budget. Otherwise, this market will resolve to "No". For the purposes of this market, the listed options are defined as follows: - Wealth tax: the introduction of an annual percentage-based levy on the value of a person's assets. - Land value tax: the introduction of a percentage-based levy on the value of a person's home. - Fuel duty increase: an increase to the rate of fuel duty. - CGT increase: an increase to any rate of capital gains tax. A measure will only count if it is announced in the Chancellor's Budget speech or contained in the official Budget documents published by HM Treasury on the day of the Budget. Measures that are only consulted on, reviewed, or otherwise not announced as government policy will not count. For the fuel duty option, the ending or non-renewal of the existing fuel duty freeze, such that the rate of fuel duty rises, will count as an increase. If the 2026 Autumn Budget is delayed beyond October 28, 2026, this market will resolve according to the Budget whenever it is delivered, provided it is delivered by December 31, 2026, 11:59 PM ET. If no Budget is delivered by that date, this market will resolve to "No". The primary resolution source for this market will be official information from HM Treasury and the UK government, including the published Budget documents; however, a consensus of credible reporting will also be used.
Volume
$1,836
End Date
Oct 29, 2026
Market Opened
Sep 17, 2026, 6:56 PM ET

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Frequently Asked Questions

"What will be in the UK Budget?" is a prediction market on Polymarket with 4 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "CGT increase" at 64%, followed by "Fuel duty increase" at 30%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 64¢ implies that the market collectively assigns a 64% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

"What will be in the UK Budget?" is a newly created market on Polymarket, launched on Sep 17, 2026. As an early market, this is your opportunity to be among the first traders to set the odds and establish the market's initial price signals. You can also bookmark this page to track volume and trading activity as the market gains traction over time.

To trade on "What will be in the UK Budget?," browse the 4 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "What will be in the UK Budget?" is "CGT increase" at 64%, meaning the market assigns a 64% chance to that outcome. The next closest outcome is "Fuel duty increase" at 30%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "What will be in the UK Budget?" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.