Settlement stations / KJAX

US · America/New_York

IBKR settles Jacksonville temperature on KJAX

KJAX is Jacksonville International, Jacksonville. IBKR ForecastEx settles temperature contracts here. Below: the resolution source each venue names, when the station reports, and how long a reading takes to reach the public feed.

How it settles

VenueResolution sourceUnitBucketContracts
IBKR ForecastEx
Also sold through Robinhood: same ticker, same settlement.		Weather Underground daily history table for this station
Source code KJAX. That table carries hourly METARs and SPECIs only, over the local clock day, and prints whole degrees rounded.		Fahrenheit1°F ladder
Exceeds X, one rung per degree		high · low
UHJAX, ULJAX

Reporting and delay

Regular reports:56:56 past each hour, UTC — 1 regular report per hour.
Median delay4.3 minFrom the observation time in the report to the public NOAA feed. 25 reports, measured 2026-09-17.
90th percentile4.4 minOne report in ten is at least this late. Worth knowing before you trust a quiet hour.
Coordinates30.495, -81.694Local civil time: America/New_York

Questions

Which weather station settles Jacksonville temperature contracts?

IBKR ForecastEx settles Jacksonville on KJAX, Jacksonville International.

What is the resolution source for IBKR ForecastEx Jacksonville temperature?

IBKR ForecastEx names Weather Underground daily history table for this station. Contracts settle in Fahrenheit, as a ladder of contracts one degree apart that pay when the day's reading passes the strike. That table carries hourly METARs and SPECIs only, over the local clock day, and prints whole degrees rounded. Robinhood resells this same contract, at the same ticker and settlement.

When does KJAX report?

:56 past each hour, UTC — 1 regular report per hour.

How long does a KJAX observation take to become public?

Measured over 26 hours on 2026-09-17, the median delay from the observation time in the report to its arrival on the public NOAA feed was 4.3 min, with a 90th percentile of 4.4 min across 25 reports. This moves with upstream conditions and is not a service level.

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WeatherTick tracks 76 settlement stations and publishes each day's running high and low already converted into the unit and bucket the contract settles in. Open the terminal for Jacksonville, or see every settlement station. Settlement always follows the resolution source named by the venue; the figures here are computed from the public feed and are not a settlement source.