  In this paper, we study the quantitative weighted bounds for the
$q$-variational singular integral operators with rough kernels. The main result
is for the sharp truncated singular integrals itself
  $$ \|V_q\{T_{\Omega,\varepsilon}\}_{\varepsilon>0}\|_{L^p(w)\rightarrow
L^p(w)}\leq c_{p,q,n} \|\Omega\|_{ L^\infty}(w)_{A_p}^{1+1/q}\{w\}_{A_p},$$
where the quantity $(w)_{A_p}$, $\{w\}_{A_p}$ will be recalled in the
introduction; we do not know whether this is sharp, but it is the best known
quantitative result for this class of operators, since when $q=\infty$, it
coincides with the best known quantitative bounds by Di Pilino--Hyt\"{o}nen--Li
or Lerner. In the course of establishing the above estimate, we obtain several
quantitative weighted bounds which are of independent interest. We hereby
highlight two of them. The first one is
  $$ \|V_q\{\phi_k\ast T_{\Omega}\}_{k\in\mathbb Z}\|_{L^p(w)\rightarrow
L^p(w)}\leq c_{p,q,n} \|\Omega\|_{ L^\infty}(w)_{A_p}^{1+1/q}\{w\}_{A_p},$$
where $\phi_k(x)=\frac1{2^{kn}}\phi(\frac x{2^k})$ with $\phi\in
C^\infty_c(\mathbb R^n)$ being any non-negative radial function, and the
sharpness for $q=\infty$ is due to Lerner; the second one is
  $$
\|\mathcal{S}_q\{T_{\Omega,\varepsilon}\}_{\varepsilon>0}\|_{L^p(w)\rightarrow
L^p(w)}\leq c_{p,q,n} \|\Omega\|_{ L^\infty}(w)_{A_p}^{1/q}\{w\}_{A_p},$$ and
the sharpness for $q=\infty$ follows from the Hardy--Littlewood maximal
function.
