Gut instinct comes from unconsciously recognised evidence of some sort. Learn to recognise what makes your gut "instinctively" go a certain way, quantify how reliable it is and if appropriate incorporate it into your strategy.
%% RECORDING the accuracy rate of your gut could + should help. On a short term trend,[counter trend ] gut could help , but that's about simple math as much as any gut. Since my gut tries to get me out of a good trend waaaaaaaaaaaaaay to early, i study the trend some more. Retailers hope people persist in use of their gut or impulse buys @ cash register rather than a plan or shopping list. LOL SO I make sure my gut is full of plenty of trend study; but some intuition is highly accurate.
I, for one, believe gut feeling (aka intuition) is very important, especially when something doesn't look right.
i am very suspicious when something looks too right. that is the problem of too much experience. and the irony is, it will sometimes work: because enough traders take the set up
probably individual but in the typical day to day grind of the markets my gut is wrong most of the time. on major move events (covid crash, GME/meme craze) my gut was exceptionally reliable.