IB.cancelHistoricalData

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cancelHistoricalData(self, bars: ib_async.objects.BarDataList)

Completeness: fully-documented · Canonical ID: ib_async.ib.IB.cancelHistoricalData

Explicit policy override after evidence-backed documentation review.

Related API navigation

• Calls: Client.cancelHistoricalData
• Cancels: IB.reqHistoricalDataAsync
• Protocol mapping: EClient.cancelHistoricalData
• Error reference: TWS message codes (applicability is request-dependent).

Sources and provenance

• ib-async-repository-2-1-0 (library-source; retrieved 2026-07-15T03:42:42Z)
• ib-async-repository-2-1-0 (library-source; retrieved 2026-07-15T03:42:42Z)

Cancel the update subscription for the historical bars.

Args: bars: The bar list that was obtained from reqHistoricalData with a keepUpToDate subscription.