Revised Economic Data
Definition
Revised economic data are statistics published first as preliminary estimates and later updated as more source data arrive. Event contracts on economic releases must say whether they settle on the first release, a later revision or a final value. BEA, for example, estimates each quarter's GDP 'three times': an advance estimate about a month after the quarter, then second and third estimates that 'incorporate additional source data.'
Why it matters
A trader who bets on what a statistic will 'really' be can be right about the eventual revision and still lose a contract settled on the first print. Investors should check which release a contract uses, whether it is seasonally adjusted, the publisher's revision schedule, and what happens if the release is delayed.
Common misconceptions
- •The final number is not necessarily the settlement number.
- •Seasonally adjusted and unadjusted series can give different answers.
- •A delayed release can push settlement back, locking capital longer.
- •The label is only a starting point. Investor outcomes usually depend on the governing documents, cash-flow priority, valuation policy, disclosure quality, and manager discretion surrounding the term, not just the shorthand definition used in marketing materials.
Technical details
Revision schedules (publisher pages read 2026-11-06)
GDP (BEA): advance estimate about a month after the quarter; second and third estimates in the following months.
Payrolls (BLS CES): first preliminary about 3 weeks after the month; revised twice; then fixed until the annual benchmark.
CPI-U and CPI-W (BLS): final when issued; chained CPI preliminary and later revised.
How investors apply the term
Investors usually apply this term by tying the definition back to the controlling documents and then asking which cash flows, rights, restrictions, or valuation assumptions it changes. A useful review looks at the term alongside fees, leverage, liquidity, reporting frequency, and manager discretion rather than treating it as a standalone concept.
The practical diligence test is simple: identify who benefits if the assumption is wrong, who has control when conditions change, and what evidence the investor receives after closing. Terms that cannot be reconciled to documents, cash movements, and monitoring data should be treated as marketing shorthand until proven otherwise.
Frequently asked questions
- Does a market settle on the first data release or the revised number?
- Whichever its rules name. Most contracts on scheduled releases settle on the first published value, so later revisions do not change the result, but the rules must be read. Kalshi says that if source data 'is delayed or revised, we may wait before settling, depending on the market rules.'
- Which statistics are revised?
- Many, on different schedules. BLS publishes first preliminary payroll estimates 'approximately 3 weeks after the reference period,' revises them twice over the next two months, then holds them 'constant until the annual benchmarking process.' BEA revises GDP twice after the advance estimate.
- Is CPI revised?
- Not routinely. BLS says that because almost all data arrive in time, 'routine revisions to account for late-arriving data are not necessary,' and because CPI-U and CPI-W are used in escalation agreements, 'these series are final when issued.' The chained CPI is the exception: a preliminary estimate is 'later revised' once expenditure data arrive.