new york republican candidate donald trump odds become next president unite state take hit follow loss senator ted cruz texas iowa caucus two online bet sit say tuesday tuesday morning ladbrokes plc paddy power betfair plc say real estate tycoon odds win november election 7/1 compare 3/1 monday reduce chance victory 13 percent 25 percent monday cruz monday republican iowa caucus 28 percent vote compare 24 percent trump whose aggressive unorthodox campaign mark unorthodox controversial stances call temporarily ban muslims enter unite state build wall along u.s.-mexican border senator marco rubio florida take favorite become republican nominee stronger-than-expected third place finish caucus ladbrokes say odds nomination 4/5 tuesday give 56 percent chance trump odds 11/4 give 27 percent chance could first sign trump bubble burst say matthew shaddick head political odds ladbrokes say statement bet firmly point toward clinton-rubio showdown november trump odds improve since declare candidacy june 100/1 give percent chance ladbrokes say report anjali athavaley edit david gregorio sap sponsor coverage independently produce staff reuters news agency trump presidency face long odds iowa bet sit say