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CHIHIGH

Scope: These rules shall apply to the contract referred to as CHIHIGH.

Underlying: The Underlying for this Contract is the maximum temperature recorded for the

specified <date> published in the National Weather Service’s (“NWS”) Daily Climate Report for

Chicago Midway, Illinois. Revisions to the Underlying made after Expiration will not be taken

into account.

Instructions: The data can be accessed here:

https://w2.weather.gov/climate/index.php?wfo=lot.Click on Observed Weather, then under

“Choose a location”, select “Chicago Midway, IL”. Specifically, it is in the section labeled

“Temperature” in a column titled “Observed Value” and row titled “Maximum”. Temperatures

are reported in degrees Fahrenheit. As stated on the NWS website, “These data are preliminary”

and “are subject to revision.” The exchange will use the most recent Daily Climate Report

available for the location for the data from <date> Data that is revised past the Expiration Date

and Expiration time of the contract will not be used to determine the Expiration Value of the

Contract. Revisions made during the statistical period or the period between the Last Trading

Date and Time and Expiration Date and Expiration time may be taken into account in settling the

contract. These instructions are provided for convenience only and may be modified or clarified

at any time.

Source Agency: The Source Agency is the National Weather Service (“NWS”).

Type: The type of Contract is a Binary Contract.

Issuance: The Contract is based on the outcome of a recurrent data release which is issued on a

daily basis. Thus, Contract iterations will be issued on a recurring basis, and future Contract

iterations will generally correspond to the next day.

Degrees: Kalshi may list CHIHIGH contracts with <degrees> levels that fall within an inclusive

range between a maximum value of 130 degrees Fahrenheit and a minimum value of -40 degrees

Fahrenheit at consecutive increments of 1 degree. Due to the potential for variability in the

Underlying, the Exchange may modify <degrees> levels in response to suggestions by Members.

Date: <date> refers to a date specified by Kalshi. Kalshi may list contracts corresponding to

different statistical periods of <date>.

Payout Criterion: The Payout Criterion encompasses the Expiration Values that are strictly

<greater than/less than/between> <degrees>. If the value of <greater than/less than/between> is

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“between”, then <degrees> shall be a pair of degrees, and an Expiration Value that is greater than

or equal to the lower value of the degree pair and less than or equal to the greater value of the

degree pair are encompassed in the Payout Criterion. If the value of <greater than/less

than/between> is “greater than”, then the Payout Criterion only encompasses Expiration Values

that are strictly greater than <degrees> (e.g. if the strike variable values are “greater than” and

“56 degrees”, then an Expiration Value of 56 degrees is not encompassed in the Payout

Criterion). If the value of <greater than/less than/between> is “less than”, then the Payout

Criterion only encompasses Expiration Values that are strictly less than <degrees>.

Minimum Tick: The Minimum Tick size for the referred Contract shall be $0.01.

Position Limit: The Position Limit for the $1 referred Contract shall be $25,000 per Member.

Last Trading Date: The Last Trading Date shall be <date> and the Last Trading time will be

11:59 PM ET.

Settlement Date: The Settlement Date of the Contract shall be no later than the day after the

Expiration Date unless Market Outcome is under review pursuant to Rule 7.1.

Expiration Date: The Expiration Date of the Contract shall be the sooner of the first 10:00 AM

ET7:00 or 8:00 AM ET following the release of the data for <date>, or one week after <date>.

Expiration time: The Expiration time of the Contract shall be 10:00 AM ETthe sooner of the

first 7:00 or 8:00 AM ET following the release of data for <date>.

Settlement Value: The Settlement Value for this Contract is $1.00.

Expiration Value: The Expiration Value is the value of the Underlying as documented by the

Source Agency on the Expiration Date at the Expiration time

Contingencies: Before Settlement, Kalshi may, at its sole discretion, initiate the Market

Outcome Review Process pursuant to Rule 6.3(c) of the Rulebook. Additionally, as outlined in

Rule 7.2 of the Rulebook, if any event or any circumstance which may have a material impact on

the reliability or transparency of a Contract’s Source Agency or the Underlying related to the

Contract arises, Kalshi retains the authority to designate a new Source Agency and Underlying

for that Contract and to change any associated Contract specifications after the first day of

trading.

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