"indicate opportunity" is correct and can be used in written English.
You can use it when referring to an indication that a certain opportunity exists. For example, "The lack of other applicants for the job indicated an opportunity for me to get the position."
For example, he says, don't assume that price declines indicate opportunity.
Initial estimates indicate Opportunity overshot its target slightly, landing 15 miles to the east of where flight controllers were aiming, but well within the area hoped for.
But there are plenty of precedents that nevertheless indicate opportunity.
The study results indicate opportunities to understand self-reported care and needs of employees with headache.
The disaster life-cycle framework was used to indicate opportunities for co-creation of improved quality disaster responses and recovery.
Our data indicate opportunities exist to further explore hydropower mitigation in the areas of environmental flows, fish passage, and water quality.
Our findings indicate opportunities for improving on "one-size-fits-all" range-wide models with analyses of additional locally-relevant foraging habitat metrics.
These findings indicate opportunities for the more accurate projection of urban pattern growth through the use of dynamic models with appropriately designed zoning scenarios.
Thus, research of the kind suggested might indicate opportunities for community health preventive interventions.
The large standard deviations and ranges indicate opportunities for significant conformational flexibility, particularly in the insertion site.
Also, the sources providing strength to bear suffering should be assessed, because they indicate opportunities to relieve suffering [ 2, 46].
