Total overnight money market volume: ₹6,56,859.58 crore at 5.05% weighted average rate (range 0.01-5.45%) on August 21, 2026
GK and monthly revision
Money Market Operations as on August 21, 2026
RBI's Money Market Operations on August 21, 2026 show total overnight segment volume of ₹6,56,859.58 crore at 5.05% weighted average rate. Key operations included a 3-day Variable Rate Reverse Repo of ₹95,970 crore at 5.24%, MSF borrowings of ₹226 crore at 5.50%, and SDF deposits of ₹1,53,422 crore at 5.00%. Triparty Repo dominated overnight segment with ₹4,52,790.20 crore volume. These operations reflect RBI's liquidity management stance with SDF as primary absorption tool.
Revision structure
Key points
Exam-ready takeaways
Variable Rate Reverse Repo (VRRR): 3-day tenor, ₹95,970 crore at 5.24% cut-off rate, auctioned August 21, maturing August 24, 2026
Standing Deposit Facility (SDF): ₹1,53,422 crore absorbed at 5.00% for 1-day tenor on August 21, 2026
Marginal Standing Facility (MSF): Total ₹226 crore borrowed (₹171 cr for 1-day, ₹55 cr for 3-day) at 5.50% on August 21, 2026
Triparty Repo dominated overnight segment with ₹4,52,790.20 crore volume at 5.07% weighted average rate (range 4.50-5.17%)
Detailed analysis
Full exam-oriented breakdown
The RBI's Money Market Operations data for August 21, 2026, offers a fascinating window into the central bank's real-time liquidity management framework. On this single day, the overnight segment witnessed a massive turnover of ₹6,56,859.58 crore at a weighted average rate of 5.05%, operating within a wide band of 0.01% to 5.45%. This volume and rate structure didn't emerge in isolation — it reflects the culmination of India's evolving monetary policy architecture, particularly the shift to the Flexible Inflation Targeting (FIT) regime adopted in 2016 under the amended RBI Act, 1934 (Section 45ZA), which mandated a 4% CPI inflation target with a ±2% tolerance band. The dominant player in the overnight segment was the Triparty Repo market, commanding ₹4,52,790.20 crore (nearly 69% of total overnight volume) at 5.07%. This marks a structural transformation from the pre-2018 era when the unsecured call money market was the primary avenue. The introduction of the Clearing Corporation of India Ltd (CCIL) as a central counterparty for Triparty Repo in 2018, backed by the Payment and Settlement Systems Act, 2007, dramatically reduced counterparty risk and improved price discovery. The Market Repo segment (₹1,83,576.32 crore at 4.97%) and Call Money (₹13,284.41 crore at 5.19%) played supporting roles, while the nascent Repo in Corporate Bonds (₹7,208.65 crore at 5.30%) hints at RBI's ongoing efforts to deepen the corporate bond market under the SEBI (Issue and Listing of Non-Convertible Securities) Regulations, 2021. On the policy operations front, the RBI conducted a 3-day Variable Rate Reverse Repo (VRRR) auction of ₹95,970 crore at a 5.24% cut-off — a clear signal of surplus liquidity absorption. This aligns with the Liquidity Adjustment Facility (LAF) framework revised in 2014, where VRRR became the primary tool for fine-tuning liquidity. Simultaneously, the Standing Deposit Facility (SDF) absorbed a staggering ₹1,53,422 crore at 5.00% (the policy repo rate), introduced in April 2022 as the floor of the LAF corridor under Section 17(3A) of the RBI Act. The SDF, unlike reverse repo, doesn't require collateral, making it a more efficient absorption tool. The Marginal Standing Facility (MSF) saw minimal borrowing of ₹226 crore at 5.50% (repo rate + 50 bps), the ceiling of the corridor, indicating no acute funding stress among banks. This configuration — massive SDF usage, sizable VRRR, and negligible MSF — paints a picture of a banking system awash with liquidity, likely driven by sustained capital inflows, RBI's forex interventions, and government spending. The weighted average call rate (WACR) at 5.05%, comfortably within the 5.00%-5.50% LAF corridor, confirms effective monetary transmission. For aspirants, this isn't just data — it's evidence of how the RBI operationalizes its mandate under the RBI Act, 1934, and the Fiscal Responsibility and Budget Management (FRBM) Act, 2003, to balance inflation control (Article 112 - Annual Financial Statement implications) with growth. Going forward, as India targets $5 trillion GDP and navigates global rate cycles, the interplay between SDF, VRRR, and the emerging corporate bond repo will define the sophistication of India's monetary plumbing — a critical topic for UPSC GS-III, RBI Grade B, and banking examinations.
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