After the chancellor promised to bring forward details of how he would cut debt, the pound rose to its highest level in two weeks.
It rebounded after investors were concerned about the plans to fund tax cuts.
He will give an update on how the cuts will be funded this month.
Markets were volatile last week because of fears about his plans.
The plan to cut debt would be critical in calming the markets, according to the chair of the treasury select committee.
In the wake of the mini-budget, the pound slumped to a record low, government borrowing costs surged and the Bank of England was forced to step in and take emergency action.
The market turmoil was caused by the lack of an independent assessment on the impact of the plans offered by the Office for Budget Responsibility.
Banks withdrew mortgage products as the uncertainty made long-term loans difficult to price.
Interest rate expectations could fall, which is going to matter to millions of people up and down the country, if the OBR forecast stacks up.
Mr Kwarteng made two dramatic U-turns on Monday, first declaring he wouldn't scrap the top rate of tax for the highest paid and then agreeing to bring forward his plan to cut debt.
Goods and services imported into the UK from overseas will be more expensive if the pound falls.
It costs more for companies in the UK to buy stuff from abroad when the pound is weak.
Firms have the option to pass on the higher prices to their customers. Inflation is tracked by how the cost of living changes over time.
The Bank of England will meet on 3 November to decide on interest rates.
Since December, interest rates have risen seven times as the Bank tries to keep inflation under control. This is the highest it's been in over 40 years.
It's thought that raising interest rates will encourage people to spend less and cooler prices.
You might expect the Bank of England to come up with a lower level of interest rate rises, which of course will be very helpful for those with mortgages, business borrowing, and indeed for the cost.
He said there were doubts about whether the OBR would approve the government's actions.
The government will need to prove that it can boost economic growth to a rate of 2.5% a year, which will be difficult to do, according to Mr. Stride.
If that doesn't happen, the government will have to "row back" on other promised tax cuts or cut public spending at a time of soaring inflation.
The Prime Minister refused to confirm if benefits will rise with inflation.
"We're not about trying to help people with one hand and take it away with another," said the leader of the House of Commons.
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