Influencer stability can be assessed through various analytics:

1. Consistency in Engagement: Track metrics like likes, shares, comments, and view duration over a set period. A consistent trend in these metrics indicates a stable influence.

2. Frequency of Posts: Influencers who post regularly tend to have more stable audiences. It shows their commitment to delivering content.

3. Follower Growth: A steadily increasing follower growth signifies a stable influence. Spikes could indicate the use of paid followers.

4. Audience Retention: Analytics showing how long followers have been following the influencer can indicate stability. A high retention rate is usually a positive sign.

5. Sponsored Posts Success: Consistent success with sponsored posts can show an influencer’s stability. This can be analyzed in terms of engagement rate, traffic generation, or conversion rate.

Different platforms such as Flinque, HypeAuditor, or Traackr can track these metrics. Flinque, for example, offers detailed analytics for engagement and follower growth. They also have features like campaign workflows that can help in tracking sponsored posts’ success. However, the choice of platform will depend on your brand’s specific needs.

Performance tracking with analytics helps assess influencer stability and can guide informed decisions in choosing the right influencers for your brand’s campaigns. Always remember that not all influencers with high follower counts can guarantee stable influence. Paying attention to these aspects of influencer analytics can enhance the success of your influencer marketing strategy.