With the rate of inflation touching 5.89 per cent, real interest rates on government bonds up to 10 year maturity have turned negative. The yield on the benchmark 10-year gilt closed at 5.80 per cent on Monday.
The wholesale price index-based inflation rose to a four-month high of 5.89 per cent for the week ended June 12, higher than 5.55 per cent in the previous week and 5.03 per cent on May 29.
With inflation set to climb further on rising energy prices, a section of the market feels the yield on the 10-year paper could inch up. The government bond yield curve in the first quarter of the current financial year (April-June) has stiffened, indicating a bullish outlook on growth and portending a hike in interest rates.
For instance, the yield on the 10-year bond, which was 5.12 per cent in April, has gone up by 68 basis points (one basis point is one hundredth of a percentage point) to 5.80 per cent. In contrast, the yield on the one-year paper, which was around 4.42 per cent in April, has gone up by 23 basis points to 4.65 per cent. This means that the spread between the one-year and 10-year gilt, which was 70 basis points in April, has widened to 115 basis points.
"The yield curve, which was flat for about