There have been quite a few recent issues at negative yields and coupons do not need to be low (they usually are though) for yields to be negative; bonds can al

There have been quite a few recent issues at negative yields and coupons do not need to be low (they usually are though) for yields to be negative; bonds can also be issued at a premium to par. Recent 30 year Bunds were issued with a 0 coupon at EUR103.61 for a yield of -0.11.