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WFN QUICK BRIEF · UNDER 1 MIN
The short version
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What the primary record establishes
Kalshi lets users group orders under a limit on contracts matched in a rolling 15-second window. When the limit is hit, the exchange cancels the group’s orders and blocks further orders in the group until reset. Kalshi API, Create Order Group ↗
What the distinction changes
With a limit of 100, fills of 60 contracts at 12:00:10 and 40 at 12:00:22 count together. They are 12 seconds apart despite falling into different fixed 15-second buckets.
What to check before drawing a conclusion
The group control changes order availability. Earlier fills still determine the open position. Track the position and the group’s state separately, and test that the trading system waits for a reset rather than assuming the group reopens when a local timer expires.
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Original WFN vector illustrationWFN · 6 November 2026
Editorial noteSource-based explanation with original WFN analysis. Historical records retain their dates; numerical examples are illustrative. The original vector illustration is conceptual and is not documentary evidence.
WFN REALITY LEDGER
What is on the record?
Primary-source explainer
Primary-source explainer
Primary record / reference periodKalshi API, Create Order Group
The linked source supports the documented record; WFN interpretation and illustrative examples are separate.
01 · VERIFIED RECORD
What the primary record establishes
Kalshi lets users group orders under a limit on contracts matched in a rolling 15-second window. When the limit is hit, the exchange cancels the group’s orders and blocks further orders in the group until reset. Kalshi API, Create Order Group ↗
02 · WFN EDITORIAL ANALYSIS
What the distinction changes
With a limit of 100, fills of 60 contracts at 12:00:10 and 40 at 12:00:22 count together. They are 12 seconds apart despite falling into different fixed 15-second buckets.
03 · REVIEW POINTS
What to check before drawing a conclusion
The group control changes order availability. Earlier fills still determine the open position. Track the position and the group’s state separately, and test that the trading system waits for a reset rather than assuming the group reopens when a local timer expires.