import contracts as ct bond = ct.fixed_rate_bond(settlement_days=2, face_amount=100, coupons=0.05,day_count= ct.DayCounts.Actual360,schedule=ct.schedule( start_date='2026-03-10', end_date='2027-03-10', frequency=ct.Frequency.Semiannual, calendar=ct.Calendar.USNyse, convention=ct.Convention.Following, dateroll=ct.DateRoll.Backward ))