Topic 2: DEBT: SHIFTING GROUND

Indian debt markets went through a genuinely turbulent August 2026, even though the month began on a fairly stable footing. The Reserve Bank of India's Monetary Policy Committee, meeting from August 3 to 5, kept the repo rate unchanged at 5.25% for a fourth straight review, retained its "neutral" stance in a unanimous 6-0 vote, and actually raised its FY27 GDP growth forecast to 6.7% while trimming its inflation projection — a broadly reassuring start that gave short- and medium-duration bonds some initial support. But sentiment deteriorated steadily through the second half of the month, and by August 31 the market looked very different from how it had looked on August 5.

The benchmark 10-year G-Sec yield was the clearest signal of this shift. Having traded in the high-6.7%-to-6.8% range for much of August, it climbed through the final week to touch around 6.95% by month-end — a twelve-week high and one of the sharpest monthly moves of the fiscal year. Three forces combined to drive this: Brent crude pushing back up toward the low-$90s a barrel on Middle East tensions and worries about the Strait of Hormuz, which raised India's import-bill and inflation concerns; hawkish commentary from US Federal Reserve Chair Kevin Warsh around the Jackson Hole period, which lifted US Treasury yields (the 10-year US yield hovered near 4.6–4.7%) and firmed up expectations of a September Fed move; and a domestic mood that had turned more cautious even without an actual RBI rate hike, as commentary around the August MPC minutes and remarks from senior RBI officials on food and fuel price risks were read by markets as leaving less room for further easing. It's worth being precise here: the RBI did not signal an imminent hike in its formal August decision — it held rates and kept a neutral stance — but the tone of subsequent commentary was enough to shift trader expectations toward "when," not "if," a tightening bias might eventually emerge.

The move up the curve was not uniform. Shorter-tenor instruments — treasury bills, certificates of deposit, commercial paper — stayed comparatively insulated because they track the RBI's policy rate and liquidity conditions more than long-run inflation expectations, and the repo rate itself never moved. This left a curve that flattened or bear-steepened depending on the segment: long-dated G-Secs bore the brunt of the sell-off even as very short paper held up reasonably well. Adding to the pressure at the front end, the RBI's special FCNR(B) window for dollar deposits — which had drawn a strong response — was closed early, on August 31 rather than its original September 30 deadline, removing a source of dollar inflows that had been finding its way into short-term Indian debt and tapering off one of the props that had kept front-end yields lower earlier in the year. Corporate bonds moved in step with the sovereign curve, with yields rising most at the short end, though quality made a real difference: AAA-rated paper from financial institutions, PSUs and large corporates continued to see solid demand, since the deterioration was almost entirely an interest-rate story rather than a credit story. Investors stayed selective, favoring AAA/AA names and shorter-to-intermediate maturities rather than reaching for yield further down the credit spectrum. That said, the rise in benchmark yields visibly cooled primary issuance — companies raised markedly less through private placements in August than in July, as higher borrowing costs discouraged fresh deals, and bankers were doubtful of a quick rebound in September given how sharply yields had moved.

State Development Loans tracked the same dynamic as G-Secs, since they're priced off the sovereign curve: existing holders faced mark-to-market losses, but the higher yields also meant more attractive entry points for new buyers, with SDLs still drawing interest from investors seeking spread pickup over comparable central government paper. On the flows side, debt mutual funds carried into August a pattern of weaker allocations to duration that had already been building over April–July, with short-duration, low-duration and banking & PSU funds — offering roughly 7–8% yields with high credit quality — remaining the preferred pockets, while duration-oriented funds saw reduced demand as managers like those at Bandhan AMC actively trimmed portfolio duration ahead of anticipated rate risk. Foreign investors added further pressure. With India-US 10-year spreads compressed toward multi-decade lows, and the rupee under strain from both oil and a firmer dollar, Indian bonds looked comparatively less attractive once currency and hedging costs were factored in — a dynamic reinforced by the same hawkish Fed repricing that pushed US yields higher. Taken together, August 2026 was essentially a "yields up, duration down" month: an unchanged repo rate and neutral RBI stance provided a floor, but oil-driven inflation risk, a hawkish turn in global rates, fading FCNR-related liquidity support, and heavy long-end supply pushed the 10-year G-Sec to a twelve-week high near 6.95%. Short-duration and high-quality credit held up comparatively well, leaving long-dated government and corporate bonds as the clear underperformers — though the resulting higher yields.