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ninja 500 mirrors
Worth a lookShows beatable incumbent ratings (3.9★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Avg price
Incredible$40.31avg listing price — sweet spot $15–$100
Review moat
Great121.17avg incumbent reviews — the moat a new listing must climb
Price range
Good$21.22–$128.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+47.5%90-day search growth — must beat 0% to launch
Brand share
Good67%top-5 brand share — brands hold most of the demand
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.6%search→purchase rate — share of searches ending in a sale
Returns
Okay4.7%return rate — above 5% kills the launch gate
Market size
Bad$50K$50K/yr · 34K searches