paging.php

<?php
$pagination = paginate_links( array(
    'base' => get_pretty_url($currentMarket, $currentCategory) . '%_%',
    'format' => '/page/%#%',
    'current' => $paged,
    'total' => $posts->pagination()->total,
    'prev_next' => false
));

function get_pretty_url( $root, $marketSlug, $topicSlug ) {

       $pretty_url = '/' . get_query_var('pagename');

    if ( $marketSlug ) {
        $pretty_url .= "/market/$marketSlug";
    }

    if ( $topicSlug ) {
        $pretty_url .= "/category/$topicSlug";
    }
    
    return $pretty_url;

}