Order Entry

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New Order Single (35=D)

8=FIXT.1.1|9=200|35=D|34=5|52=20230809-12:34:56.789|49=your-api-key|56=KalshiNR|
11=550e8400-e29b-41d4-a716-446655440000|38=10|40=2|54=1|55=HIGHNY-23DEC31|44=75|
59=1|10=123|

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Order Cancel/Replace Request (35=G)

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Supported Modifications

• OrderQty: Increases or decreases the quantity of your order, note that increasing the quantity for the same point means forfeiting your queue position
• Price: Changes the limit price of your order

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Order Cancel Request (35=F)

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Execution Report (35=8)

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Order Status (39)

• New<0>: Active order, no fills
• Partially Filled<1>: Some quantity filled
• Filled<2>: Completely filled
• Canceled<4>: Canceled (may have partial fills)
• Replaced<5>: Order modified via Cancel/Replace
• Pending Cancel<6>: Cancel pending
• Rejected<8>: Order rejected
• Pending New<A>: Order pending acceptance
• Expired<C>: Time in force expired
• Pending Replace<E>: Modification pending

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Order Rejection Reasons (103)

• Unknown symbol<1>
• Exchange closed<2>
• Order exceeds limit<3>
• Too late to enter<4>
• Duplicate order<6>
• Stale order<8>
• Unsupported order characteristic<11>
• Incorrect quantity<13>
• Unknown account<15>
• Other<99>

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Execution Types (150)

• New<0>: Order accepted
• Trade<F>: Order filled (partial or complete)
• Canceled<4>: Order canceled
• Replaced<5>: Order modified
• Rejected<8>: Order rejected
• Expired<C>: Order expired
• Pending New<A>: Order pending acceptance
• Pending Cancel<6>: Cancel pending
• Pending Replace<E>: Modification pending

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Text Field Values (58)

• EXCHANGE_UNAVAILABLE - the gateway could not confirm whether the order was applied (exchange unreachable, request timed out, or interrupted after the order may have been accepted). Reconcile the order’s state, or retry with the same ClOrdID. Maps to OrdRejReason “Other”
• INTERNAL_ERROR - a reject from a healthy exchange that could not be mapped to a specific reason. The order was not applied, so it is safe to fix and resubmit. Maps to OrdRejReason “Other”
• MARKET_ALREADY_CLOSED - maps to OrdRejReason “Exchange closed”
• MARKET_INACTIVE - maps to OrdRejReason “Exchange closed”
• MARKET_NOT_FOUND - maps to OrdRejReason “Unknown symbol”
• SELF_CROSS_ATTEMPT - maps to ExecutionType “Canceled”
• SELF_CROSS_ATTEMPT_PARTIALLY_FILLED - maps to ExecutionType “Canceled”
• ORDER_ALREADY_EXISTS - maps to OrdRejReason “Duplicate order”
• EXCEEDED_ORDER_GROUP_RISK_LIMIT - maps to OrdRejReason “Order exceeds limit”
• INSUFFICIENT_BALANCE - maps to OrdRejReason “Order exceeds limit”
• EXCHANGE_PAUSED - maps to OrdRejReason “Exchange closed”
• TRADING_PAUSED - maps to OrdRejReason “Exchange closed”
• INVALID_ORDER - maps to OrdRejReason “Unsupported order characteristic”
• ORDER_GROUP_NOT_FOUND - maps to OrdRejReason “Unsupported order characteristic”
• EXCEEDED_PER_MARKET_RISK_LIMIT - maps to OrdRejReason “Order exceeds limit”
• EXCEEDED_SELL_POSITION_FLOOR - maps to OrdRejReason “Order exceeds limit”
• CUSTOMER_ACCOUNT_NOT_FOUND - maps to OrdRejReason “Unknown account”
• PERMISSION_DENIED_FOR_CUSTOMER_ACCOUNT - maps to OrdRejReason “Unknown account”
• FOK_INSUFFICIENT_VOLUME - maps to ExecutionType “Canceled”
• POST_ONLY_CROSS - maps to ExecutionType “Canceled”
• ORDER_GROUP_CANCEL - maps to ExecutionType “Canceled”
• TAKER_CANCEL_FOR_SELF_TRADE_PREVENTION - maps to ExecutionType “Canceled”
• MAKER_CANCEL_FOR_SELF_TRADE_PREVENTION - maps to ExecutionType “Canceled”
• IMMEDIATE_OR_CANCELLED - maps to ExecutionType “Canceled”
• EXPIRED - maps to OrdRejReason “Stale order” (RFQ quote had expired when the order arrived)

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OrderCancelReject (35=9)

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Position and Fee Information

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Collateral Changes

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Collateral Return Breakdown

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Party Information

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Rejection Reasons (102)

• Too late to cancel<0>: Order already filled
• Unknown order<1>: Order not found
• Other<99>: See Text field

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Mass Cancel Request (35=q)

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Mass Cancel Report (35=r)