RBI's Aggressive Moves to Stabilize Rupee Amid Global Tensions
In February 2026, escalating conflicts between the United States and Iran sent shockwaves through global financial markets, placing intense pressure on the Indian rupee. The currency plummeted by 4%, breaching the critical threshold of 95 against the US dollar. Typically, the Reserve Bank of India (RBI) addresses such volatility through strategic dollar sales. However, this time, the central bank adopted a more assertive stance, targeting what it labeled as 'excessive speculation'—both domestically and internationally—and implementing measures to fundamentally reshape the foreign exchange market.
RBI's Tactical Assault on Forex Market Players
The RBI launched a multi-pronged strategy to curb speculative activities. First, it imposed a cap on banks' net dollar positions, limiting them to $100 million. This forced financial institutions to offload excess dollar holdings into the market, increasing supply to support the rupee. Second, the RBI blocked a key avenue for speculation by prohibiting banks from offering hedging contracts in offshore non-deliverable forwards (NDFs). These NDF trades, conducted in financial hubs like Singapore or London, allow participants to bet on the rupee's future value without physically holding the currency, settling profits or losses in foreign currencies. By restricting these activities, the RBI effectively halted arbitrage opportunities between onshore and offshore markets.
Additionally, the central bank banned the practice of 'churning,' where contracts are repeatedly canceled and rebooked to exploit minor price differences. Banks were given a deadline of April 10 to unwind such positions, ensuring compliance with the new regulations.
Rationale Behind RBI's Unprecedented Actions
The RBI's crackdown was driven by the detrimental impact of bets against the rupee via NDFs. These speculative activities weaken offshore pricing, creating arbitrage opportunities that transmit pressure to onshore markets. As a result, banks and corporations engage in defensive dollar purchases or capitalize on price disparities, further depreciating the rupee and making speculative bets self-fulfilling. A notable shift in RBI's approach was its first-time prohibition on banks facilitating rupee-linked bets in NDF markets, marking a reversal from earlier efforts to bring offshore trading onshore, including initiatives at GIFT City.
Banking Sector Discontent and Financial Implications
The abrupt implementation of these rules sparked significant discontent among banks. Forced to unwind positions at unfavorable prices, the industry faced estimated losses ranging from Rs 2,500 to Rs 4,000 crore. The $100 million cap triggered simultaneous dollar selling, disrupting treasury operations and eroding a vital source of fee and trading income from corporate clients.
Connection to the Impossible Trinity Theory
This scenario aligns with the 'Impossible Trinity' theory in international economics, which posits that a country cannot simultaneously maintain a stable exchange rate, independent monetary policy, and free capital movement. In this instance, the RBI prioritized exchange rate stability and monetary autonomy, sacrificing some degree of capital mobility by restricting speculative bets.
Clarifying Capital Controls and Regulatory Compliance
While the RBI's measures do not constitute direct capital controls on inflows or outflows, they effectively tighten channels through which capital-like flows influence the currency by curbing speculative and hedging-linked liquidity in forex markets. It is important to note that banks were not acting illegally; their strategies were standard and permitted. However, once the RBI imposed new rules and deadlines, continuing such positions became non-compliant. A subsequent warning from the RBI addressed findings that some banks were enabling corporates to benefit from arbitrage in the NDF market, leading to a follow-up directive to close this channel.



