http://172.19.1.196:8983/solr/secweb/select?q=worthless ^100 OR "valueless" OR "useless"&wt=json&indent=true&facet=true&facet.field=key_filetype&facet.field=key_sitemap&facet.field=system_name&facet.field=key_keywords&hl=on&hl.fragsize=200&hl.fl=id,title_th,searchcontent_th&defType=edismax&qf=searchcontent_th&qf=id&qf=title_th^1000000&pf=title_th~5^1&pf=searchcontent_th~5^10000&ps=2&mm=100&qf=title_th_default&start=0&rows=10
receive payment of or pay for the underlying asset delivered or taken at the exercise price specified under the contract. If options expire worthless, the buyer’s loss equals the amount of premium.
A seller