Cash conversion cycle

$$\text{DSO}+\text{DIO}-\text{DPO}$$

Days of working capital tied up between paying suppliers and collecting from customers. Negative cycles (Apple, Dell historically) indicate vendor-financed operations.

Direction: Lower better Category: efficiency

Returns None when: Returns None when any of DSO, DIO, or DPO is missing.

Source code

Implementation: cash_conversion_cycle in src/eqtytrk/metrics/ratios.py (or valuation.py for multiples).