# How high will 30-year Treasury yield go before 2027? The 30-year Treasury question is about a published daily par-yield measure. A fast intraday print on a trading screen need not match the official series that decides this contract. Canonical article: https://www.homeincomelab.com/stories/how-high-will-30-year-treasury-yield-go-before-2027 Publisher: The Outlook By: The Outlook editorial desk Category: Economy Analysis as of: 2026-10-04T09:57:48.323Z Decision guide market prices observed: 2026-10-04T09:57:48.323Z Published: 2026-10-04T09:57:48.323Z ## Quick answer The 30-year Treasury question is about a published daily par-yield measure. The leading open contract, “5.65%”, was priced at 85.5% for Yes in the October 4 snapshot. Use Treasury’s Daily Treasury Par Yield Curve Rates 30-year column. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) ## Key takeaways - Use Treasury’s Daily Treasury Par Yield Curve Rates 30-year column. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) - The 30-year Treasury question is about a published daily par-yield measure. - For the 30-year contract the window starts September 3, 2026; otherwise it starts at market creation. It ends December 31, 2026. Missing final data has a 14-day allowance; the 30-year contract specifies January 14, 2027 at 11:59 p.m. ET. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) ## The question behind the headline The 30-year Treasury question is about a published daily par-yield measure. A fast intraday print on a trading screen need not match the official series that decides this contract. At the October 4, 2026 market snapshot, 5.65% carried a 85.5% Yes price. Other open contracts included 5.70% at 67.5%; 5.80% at 43.25%. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) ## The condition that changes the answer Use Treasury’s Daily Treasury Par Yield Curve Rates 30-year column. A value at or above the strike qualifies. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) For the 30-year contract the window starts September 3, 2026; otherwise it starts at market creation. It ends December 31, 2026. Missing final data has a 14-day allowance; the 30-year contract specifies January 14, 2027 at 11:59 p.m. ET. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) ## Evidence for and against the leading outcome The selected threshold needs an official daily observation on the qualifying side, rather than a general view on future bond returns. A short-lived intraday move can fail to appear in the daily series; the source definition and inequality matter near a strike. The next useful checks are official daily tenor column; exact greater-than or less-than rule; final data publication window. The linked primary references make the process and named data source inspectable. [2](https://home.treasury.gov/policy-issues/financing-the-government/interest-rate-statistics/treasury-yield-curve-methodology)[3](https://home.treasury.gov/resource-center/data-chart-center/interest-rates/TextView?type=daily_treasury_yield_curve&field_tdr_date_value=2026) ## A closer look at the market These child contracts can overlap: different dates, thresholds or people do not necessarily describe mutually exclusive alternatives. Their Yes prices should not be added into a single winner probability, and the highest Yes price is not automatically the most informative question. The event had approximately $154,061 in total traded volume at observation. That is a record of turnover across this event, not a count of distinct people, a search-volume estimate or proof that every child contract is easy to trade. The analytical quote is fixed to the timestamp shown here; later live prices can differ. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) The useful conclusion is conditional: check the exact milestone before interpreting the price as a view on the larger story. ## A fact worth knowing Treasury describes its published curve as a derived par-yield curve. Source: [U.S. Treasury — rate data and methodology](https://home.treasury.gov/policy-issues/financing-the-government/interest-rate-statistics/treasury-yield-curve-methodology) ## Weighing the outcome ### Outcome in focus 5.65% — Yes ### Supporting case The selected threshold needs an official daily observation on the qualifying side, rather than a general view on future bond returns. ### Challenging case A short-lived intraday move can fail to appear in the daily series; the source definition and inequality matter near a strike. ### What to watch - Official daily tenor column - Exact greater-than or less-than rule - Final data publication window ### What may already be priced in The analysis starts from 85.5% for the Yes side of “5.65%”. A view merely agreeing that this is plausible does not show that the price understates it. The probability, rule and remaining time all have to be compared. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) ### Assessment The useful conclusion is conditional: check the exact milestone before interpreting the price as a view on the larger story. ## How the market resolves Use Treasury’s Daily Treasury Par Yield Curve Rates 30-year column. A value at or above the strike qualifies. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) ## Timing and deadline For the 30-year contract the window starts September 3, 2026; otherwise it starts at market creation. It ends December 31, 2026. Missing final data has a 14-day allowance; the 30-year contract specifies January 14, 2027 at 11:59 p.m. ET. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) ## Questions and answers ### What exactly would settle this market? Use Treasury’s Daily Treasury Par Yield Curve Rates 30-year column. A value at or above the strike qualifies. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) ### What is the deadline, and can settlement come later? For the 30-year contract the window starts September 3, 2026; otherwise it starts at market creation. It ends December 31, 2026. Missing final data has a 14-day allowance; the 30-year contract specifies January 14, 2027 at 11:59 p.m. ET. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) ### Does the quoted probability show an advantage? No. 85.5% is the observed Yes price for “5.65%”, not a verified probability from independent research. A useful assessment needs evidence that changes the expected chance under the exact rules, plus the actual price available at the time. [1](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) ## Related market contracts - [5.65%](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027/will-the-30-year-treasury-yield-hit-5pt65-before-2027) - [5.70%](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027/will-the-30-year-treasury-yield-hit-5pt70-before-2027) - [5.80%](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027/will-the-30-year-treasury-yield-hit-5pt80-before-2027) ## Market source [View the event on Polymarket](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) For timestamped market prices, see the canonical HTML article. Prices can change independently of this analysis. ## Sources and further reading 1. [Polymarket — event, child contracts and resolution rules](https://polymarket.com/event/how-high-will-30-year-treasury-yield-go-before-2027) 2. [U.S. Treasury — rate data and methodology](https://home.treasury.gov/policy-issues/financing-the-government/interest-rate-statistics/treasury-yield-curve-methodology) 3. [U.S. Treasury — rate data and methodology](https://home.treasury.gov/resource-center/data-chart-center/interest-rates/TextView?type=daily_treasury_yield_curve&field_tdr_date_value=2026) This is AI-assisted, source-linked explanatory journalism. We distinguish facts from interpretation and revise material errors. [How we work](https://www.homeincomelab.com/methodology) · [Corrections and contact](https://www.homeincomelab.com/contact)