Experts estimate fewer than 50% of card-issuing credit unions will have EMV-equipped credit and debit cards ready by October 2015.
Payment processors say CUs are behind pace to upgrade to EMV chips by October 2015 and may face fraud loss liability.
PULSE survey finds 17% of credit unions said they'll face the risk.
If banks can beat retailers in the race to adopt EMV technology, they may have a fraud liability advantage.
A new report from Aite Group says 70% of credit and debit cards will have EMV chips by December 2015.
The big box retailer will launch the proprietary credit cards June 23.
Chip-and-PIN cards will work at retailer terminals.
The EMV Migration Forum expects another 100 million EMV-enabled cards will be issued over the next year.
Confusion over what chip and PIN technology can and can't do has experts questioning if EMV implementation is a good idea.
Competing choices for chip-and-PIN emerging as liability deadline nears.