$CT Latest funding rate: -0.254% (settled every 4 hours). Shorts pay; simply annualized based on this period, that's approximately 556.7%.
The side that positions are crowded on is usually reflected in the funding rate first.
You can think of the funding rate as rent on your position: whichever side pushes the contract price away from the spot price is usually the one that pays.
It’s far more reliable to work backward from where you’d place your stop-loss when sizing a position than to just guess.

I may be wrong, so don’t take this as advice.