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We prove quantitative, one-weight, weak-type estimates for maximal operators,singular integrals, fractional maximal operators and fractional integraloperators. We consider a kind of weak-type inequality that was first studied byMuckenhoupt and Wheeden and later by Cruz-Uribe, Martell and Perez. We obtainquantitative estimates for these operators in both the scalar and matrixweighted setting using sparse domination techniques. Our results extend thoseobtained by Cruz-Uribe, Isralowitz, Moen, Pott, and Rivera-R\'ios for singularintegrals and maximal operators when $p=1$.

Weighted weak-type inequalities for maximal operators and singular integrals