ISDA Guidance: SOFR Publication on Good Friday 2026

Why It Matters

The missing SOFR fixing could disrupt valuation, settlement and margin calculations for billions of dollar‑denominated derivatives, making clear fallback protocols essential for market stability.

Key Takeaways

• SOFR will not be published on Good Friday 2026
• ISDA recommends fallback rates for affected OTC contracts
• Parties should amend documentation before April 2026
• Guidance may be revised; monitor ISDA updates
• Non‑publication risk impacts valuation and settlement processes

Pulse Analysis

S. dollar‑denominated interest‑rate derivatives since the LIBOR transition. Because SOFR is published by the Federal Reserve Bank of New York each business day, any interruption—such as the market holiday on Good Friday, April 3, 2026—creates a gap in the reference data that contracts rely on for daily fixing, accrual calculations, and settlement. Market participants anticipate that the Federal Reserve will not release a SOFR value on that date, prompting the need for a coordinated fallback plan.

ISDA’s latest guidance spells out how counterparties should address the missing SOFR fixing. It advises invoking pre‑agreed fallback provisions—typically a compounded SOFR rate based on the last available observations or, where unavailable, an alternative reference such as the Fed Funds Effective Rate. The document also outlines a streamlined amendment workflow, urging firms to update trade confirmations, CSA documentation, and valuation models well before the holiday. By standardizing these steps, ISDA aims to reduce legal uncertainty and ensure that valuation and margin calculations remain consistent across the OTC market. The practical impact extends beyond contract administrators.

Traders, risk managers, and pricing desks must incorporate the fallback rate into their models to avoid valuation spikes on April 3, 2026. Failure to do so could distort mark‑to‑market figures, trigger margin calls, or even breach covenants tied to reference rates. ISDA’s proactive notice also signals that similar holiday‑driven gaps may arise for other benchmarks, prompting the industry to review contingency clauses more broadly. Continuous monitoring of ISDA updates will be essential for maintaining operational resilience in a post‑LIBOR landscape.