Fiddler Crabs are Counters, Study Suggests, from Easan Katir
A study suggests some fiddler crabs are counters.
Market application: In some past trading years, I've noticed my yearly return was close to, or tended to track the S&P, (not last year, thank G-d) although I invested / traded diverse instruments, and so arrived at the similar return by a completely different route. Could my reptilian / crustacean brain have been keeping track?