Activity ratios measure how efficiently a company performs day-to-day tasks, such us the collection of receivables and management of inventory.

Ratios (Summary)
Receivables Turnover
Working Capital Turnover
Average Receivable Collection Period

AT&T Inc., short-term (operating) activity ratios (quarterly data)

		Dec 31, 2018	Sep 30, 2018	Jun 30, 2018	Mar 31, 2018	Dec 31, 2017	Sep 30, 2017	Jun 30, 2017	Mar 31, 2017	Dec 31, 2016	Sep 30, 2016	Jun 30, 2016	Mar 31, 2016	Dec 31, 2015	Sep 30, 2015	Jun 30, 2015	Mar 31, 2015	Dec 31, 2014	Sep 30, 2014	Jun 30, 2014	Mar 31, 2014
	Turnover Ratios
	Receivables turnover
	Working capital turnover
	Average No. of Days
	Add: Average receivable collection period

Ratio	Description	The company
Receivables turnover	An activity ratio equal to revenue divided by receivables.	AT&T Inc.’s receivables turnover improved from Q2 2018 to Q3 2018 and from Q3 2018 to Q4 2018.
Working capital turnover	An activity ratio calculated as revenue divided by working capital.

Ratio	Description	The company
Average receivable collection period	An activity ratio equal to the number of days in the period divided by receivables turnover.	AT&T Inc.’s average receivable collection period improved from Q2 2018 to Q3 2018 and from Q3 2018 to Q4 2018.

AT&T Inc., receivables turnover calculation (quarterly data)

		Dec 31, 2018	Sep 30, 2018	Jun 30, 2018	Mar 31, 2018	Dec 31, 2017	Sep 30, 2017	Jun 30, 2017	Mar 31, 2017	Dec 31, 2016	Sep 30, 2016	Jun 30, 2016	Mar 31, 2016	Dec 31, 2015	Sep 30, 2015	Jun 30, 2015	Mar 31, 2015	Dec 31, 2014	Sep 30, 2014	Jun 30, 2014	Mar 31, 2014
	Selected Financial Data (USD $ in millions)
	Operating revenues
	Accounts receivable, net of allowances for doubtful accounts
	Ratio
	Receivables turnover¹

Q4 2018 Calculations

¹ Receivables turnover = (Operating revenues_{Q4 2018} + Operating revenues_{Q3 2018} + Operating revenues_{Q2 2018} + Operating revenues_{Q1 2018}) ÷ Accounts receivable, net of allowances for doubtful accounts
= ( hidden + hidden + hidden + hidden ) ÷ hidden = hidden

Ratio	Description	The company
Receivables turnover	An activity ratio equal to revenue divided by receivables.	AT&T Inc.’s receivables turnover improved from Q2 2018 to Q3 2018 and from Q3 2018 to Q4 2018.

AT&T Inc., working capital turnover calculation (quarterly data)

		Dec 31, 2018	Sep 30, 2018	Jun 30, 2018	Mar 31, 2018	Dec 31, 2017	Sep 30, 2017	Jun 30, 2017	Mar 31, 2017	Dec 31, 2016	Sep 30, 2016	Jun 30, 2016	Mar 31, 2016	Dec 31, 2015	Sep 30, 2015	Jun 30, 2015	Mar 31, 2015	Dec 31, 2014	Sep 30, 2014	Jun 30, 2014	Mar 31, 2014
	Selected Financial Data (USD $ in millions)
	Current assets
	Less: Current liabilities
	Working capital
	Operating revenues
	Ratio
	Working capital turnover¹

Q4 2018 Calculations

¹ Working capital turnover = (Operating revenues_{Q4 2018} + Operating revenues_{Q3 2018} + Operating revenues_{Q2 2018} + Operating revenues_{Q1 2018}) ÷ Working capital
= ( hidden + hidden + hidden + hidden ) ÷ hidden = hidden

Ratio	Description	The company
Working capital turnover	An activity ratio calculated as revenue divided by working capital.

AT&T Inc., average receivable collection period calculation (quarterly data)

		Dec 31, 2018	Sep 30, 2018	Jun 30, 2018	Mar 31, 2018	Dec 31, 2017	Sep 30, 2017	Jun 30, 2017	Mar 31, 2017	Dec 31, 2016	Sep 30, 2016	Jun 30, 2016	Mar 31, 2016	Dec 31, 2015	Sep 30, 2015	Jun 30, 2015	Mar 31, 2015	Dec 31, 2014	Sep 30, 2014	Jun 30, 2014	Mar 31, 2014
	Selected Financial Data
	Receivables turnover
	Ratio (no. of days)
	Average receivable collection period¹

Q4 2018 Calculations

¹ Average receivable collection period = 365 ÷ Receivables turnover
= 365 ÷ hidden = hidden

Ratio	Description	The company
Average receivable collection period	An activity ratio equal to the number of days in the period divided by receivables turnover.	AT&T Inc.’s average receivable collection period improved from Q2 2018 to Q3 2018 and from Q3 2018 to Q4 2018.

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AT&T Inc. (T)

Short-term (Operating) Activity Analysis
Quarterly Data

Ratios (Summary)

Receivables Turnover

Working Capital Turnover

Average Receivable Collection Period

AT&T Inc. (T)

Short-term (Operating) Activity AnalysisQuarterly Data

Ratios (Summary)

Receivables Turnover

Working Capital Turnover

Average Receivable Collection Period

Short-term (Operating) Activity Analysis
Quarterly Data