[{"data":1,"prerenderedAt":372},["ShallowReactive",2],{"blog-\u002Fblog\u002Finterest-rate-benchmark-reform-libor-sofr":3,"blog-surround-\u002Fblog\u002Finterest-rate-benchmark-reform-libor-sofr":355,"blog-related-\u002Fblog\u002Finterest-rate-benchmark-reform-libor-sofr":363},{"id":4,"title":5,"audience":6,"body":10,"cluster":319,"date":320,"description":321,"draft":322,"extension":323,"factCheckedAt":324,"faq":325,"featured":322,"language":324,"meta":335,"navigation":336,"order":337,"originalAsset":324,"path":338,"pillar":339,"primaryKeyword":340,"relatedProject":324,"releaseScope":324,"reviewCycle":341,"reviewStatus":342,"reviewedBy":343,"searchIntent":344,"seo":345,"sources":324,"stem":346,"tags":347,"type":353,"updated":320,"__hash__":354},"blog\u002Fblog\u002Finterest-rate-benchmark-reform-libor-sofr.md","Interest Rate Benchmark Reform: LIBOR to SOFR and Risk-Free Rates",[7,8,9],"treasurer","cfo","treasury-analyst",{"type":11,"value":12,"toc":310},"minimark",[13,21,27,32,46,49,53,60,94,101,105,108,182,193,208,214,218,221,258,262,273,284,287],[14,15,16,20],"p",{},[17,18,19],"strong",{},"Interest rate benchmark reform is the market-wide move from LIBOR to risk-free reference rates — SOFR for the US dollar, SONIA for sterling, €STR for the euro, and their peers — largely complete now."," LIBOR was retired because the interbank borrowing it was meant to measure had all but stopped happening, so the rate leaned on bank judgement and was open to manipulation. In its place regulators put transaction-based, near risk-free overnight rates. The concept is simple: swap the benchmark. The work, as always, was in the long tail — legacy contracts, fallback language, system conventions, and getting the interest calculation right under a rate that behaves differently from the one it replaced.",[14,22,23],{},[24,25,26],"em",{},"(This is a plain explanation of what benchmark reform changed, not investment or hedging advice for any particular situation.)",[28,29,31],"h2",{"id":30},"why-libor-had-to-go","Why LIBOR had to go",[14,33,34,35,40,41,45],{},"For decades LIBOR was the reference rate under most floating-rate debt and ",[36,37,39],"a",{"href":38},"\u002Fblog\u002Finterest-rate-risk-in-corporate-treasury","interest rate risk in corporate treasury",". Your loan was quoted as LIBOR plus a margin; your ",[36,42,44],{"href":43},"\u002Fblog\u002Finterest-rate-hedging-swaps-caps-collars","swaps and caps"," referenced the same LIBOR. It was the rate the whole edifice sat on.",[14,47,48],{},"The problem was what LIBOR actually measured: the rate at which a panel of banks estimated they could borrow unsecured from each other. Two things went wrong with that. First, after the financial crisis, banks largely stopped lending to each other unsecured for term — so the transactions the rate was supposed to reflect increasingly weren't there. The number rested more on expert judgement than on trades. Second, a benchmark built on submissions rather than transactions is manipulable, and the rate-rigging scandals proved it was. A benchmark underpinning an enormous stock of contracts couldn't credibly rest on so few real trades and so much judgement. Regulators drew the obvious conclusion and pushed the market onto something anchored in actual transactions.",[28,50,52],{"id":51},"what-replaced-it-risk-free-rates","What replaced it: risk-free rates",[14,54,55,56,59],{},"The replacements are the ",[17,57,58],{},"risk-free reference rates (RFRs)",", one per currency, each built on real market transactions:",[61,62,63,70,76,82,88],"ul",{},[64,65,66,69],"li",{},[17,67,68],{},"SOFR"," (Secured Overnight Financing Rate) — the US dollar, based on overnight secured borrowing in the Treasury repo market.",[64,71,72,75],{},[17,73,74],{},"SONIA"," — sterling.",[64,77,78,81],{},[17,79,80],{},"€STR"," — the euro area.",[64,83,84,87],{},[17,85,86],{},"TONA"," — Japan.",[64,89,90,93],{},[17,91,92],{},"SARON"," — Switzerland.",[14,95,96,97,100],{},"They're called ",[24,98,99],{},"near risk-free"," because they're overnight and carry little of the bank-credit risk baked into unsecured interbank lending. Sterling and most non-USD LIBOR settings ended around the end of 2021, and the main USD LIBOR settings ended around mid-2023. RFRs are the standard now — this isn't a coming change to prepare for, it's the world you already operate in.",[28,102,104],{"id":103},"the-differences-that-actually-matter","The differences that actually matter",[14,106,107],{},"On paper it's just a different rate. Operationally, the structure is different in ways that reach into every interest calculation.",[109,110,111,126],"table",{},[112,113,114],"thead",{},[115,116,117,120,123],"tr",{},[118,119],"th",{},[118,121,122],{},"LIBOR",[118,124,125],{},"RFRs (e.g. SOFR)",[127,128,129,143,156,169],"tbody",{},[115,130,131,137,140],{},[132,133,134],"td",{},[17,135,136],{},"Tenor",[132,138,139],{},"Forward-looking term rate",[132,141,142],{},"Overnight",[115,144,145,150,153],{},[132,146,147],{},[17,148,149],{},"Timing",[132,151,152],{},"Known at the start of the period",[132,154,155],{},"Compounded in arrears; known near the end",[115,157,158,163,166],{},[132,159,160],{},[17,161,162],{},"Basis",[132,164,165],{},"Panel-bank estimates",[132,167,168],{},"Actual transactions",[115,170,171,176,179],{},[132,172,173],{},[17,174,175],{},"Credit premium",[132,177,178],{},"Yes — bank-credit and term premium",[132,180,181],{},"Near risk-free",[14,183,184,185,188,189,192],{},"The one that bites is ",[17,186,187],{},"timing",". LIBOR was forward-looking: at the start of an interest period you already knew the rate for it. An RFR is overnight, so a term interest amount is usually built by ",[17,190,191],{},"compounding the daily rate in arrears"," — you don't know the final figure until close to the payment date. That single change ripples into cash forecasting, invoicing, loan operations and system logic.",[14,194,195,196,199,200,203,204,207],{},"Two bridges were needed to make legacy contracts work. Because RFRs are near risk-free and LIBOR carried a credit and term premium, moving an existing contract from one to the other would silently change its economics — so a ",[17,197,198],{},"credit spread adjustment"," was added to bridge the gap and keep legacy deals roughly whole. And for cases that genuinely need a rate known ",[24,201,202],{},"in advance"," — some trade finance, some loans where compounding in arrears is impractical — ",[17,205,206],{},"term RFR"," variants (forward-looking rates derived from RFR derivatives) exist to fill that specific gap.",[209,210,211],"pull-quote",{},[14,212,213],{},"The hard part was never picking the new rate. It was that a backward-looking, compounded overnight rate doesn't behave like a forward-looking term rate — and every contract, system and interest calculation had quietly assumed the old behaviour.",[28,215,217],{"id":216},"what-it-meant-for-corporate-treasury","What it meant for corporate treasury",[14,219,220],{},"If you ran a treasury through this, the transition wasn't a memo — it was a programme of work:",[61,222,223,229,235,241,247],{},[64,224,225,228],{},[17,226,227],{},"Repapering."," Every LIBOR-referencing loan and derivative needed amending or replacing — new reference rate, fallback language, the credit spread adjustment where relevant. The long tail of old bilateral agreements was the slow part.",[64,230,231,234],{},[17,232,233],{},"Fallbacks."," Contracts needed robust language for what the rate becomes when LIBOR ends — the difference between an orderly switch and a dispute.",[64,236,237,240],{},[17,238,239],{},"Systems and conventions."," Treasury and loan systems had to handle compounding in arrears: lookback periods, observation shifts, day-count and rounding conventions. Small choices that have to match the counterparty's, or the two sides disagree on the interest due.",[64,242,243,246],{},[17,244,245],{},"Interest calculation."," Getting the compounded-in-arrears number right, reconciled against the bank, was the unglamorous core of it — and the place errors actually showed up.",[64,248,249,252,253,257],{},[17,250,251],{},"Hedge relationships."," A swap that referenced LIBOR against a loan that now references SOFR is no longer a clean match. Hedge documentation had to be updated and relationships re-checked so they still passed ",[36,254,256],{"href":255},"\u002Fblog\u002Fhedge-effectiveness-testing","effectiveness testing"," — the industry-wide reliefs helped, but the work still had to be done.",[28,259,261],{"id":260},"docs-versus-reality","Docs versus reality",[14,263,264,265,268,269,272],{},"The slide-deck version is one line: replace LIBOR with SOFR. The reality was months of reconciling legacy paper, chasing counterparties for amendments, and arguing with a treasury system about lookback conventions. Nothing about the ",[24,266,267],{},"concept"," was hard. Everything about the ",[24,270,271],{},"implementation"," was in the detail — the contracts nobody had looked at in years, the fallback clauses, the exact compounding method, and interest figures that had to tie out to the penny against a bank that had made its own convention choices.",[14,274,275,276,279,280,283],{},"That's the pattern with benchmark reform, and it's the pattern with most treasury change: the decision is trivial and the transition is not. The rate under your ",[36,277,278],{"href":38},"interest rate risk"," is now an RFR, your hedges reference it, and it works. Getting there was a reminder that in treasury the benchmark is never ",[24,281,282],{},"just"," a number — it's a number wired into every contract, system and calculation you own.",[285,286],"hr",{},[14,288,289],{},[24,290,291,292,296,297,299,300,304,305,309],{},"Part of the ",[36,293,295],{"href":294},"\u002Ftopics\u002Ftreasury-risk-management","Treasury Risk Management guide",". See also ",[36,298,39],{"href":38}," and ",[36,301,303],{"href":302},"\u002Fblog\u002Fwhat-is-treasury-risk-management","what treasury risk management is",". The ",[36,306,308],{"href":307},"\u002Fnewsletter","newsletter"," sends one finance-systems pattern, product decision or build lesson every two weeks.",{"title":311,"searchDepth":312,"depth":312,"links":313},"",2,[314,315,316,317,318],{"id":30,"depth":312,"text":31},{"id":51,"depth":312,"text":52},{"id":103,"depth":312,"text":104},{"id":216,"depth":312,"text":217},{"id":260,"depth":312,"text":261},"interest-rate","2026-07-24","The move from LIBOR to risk-free reference rates like SOFR and SONIA — why it happened, how RFRs differ, and what the transition meant for corporate treasury.",false,"md",null,[326,329,332],{"question":327,"answer":328},"Why was LIBOR replaced?","LIBOR was based on panel banks' estimates of what it would cost them to borrow unsecured from each other — but the underlying market it was meant to measure had thinned out to the point where much of the rate rested on expert judgement rather than real transactions. That made it both vulnerable to manipulation, as rate-rigging scandals showed, and unrepresentative of any genuine market. Regulators concluded a benchmark underpinning trillions in contracts couldn't rest on so few real trades, and moved the market to transaction-based risk-free rates. Sterling and most non-USD LIBOR settings ended around the end of 2021, and the main USD settings ended around mid-2023.",{"question":330,"answer":331},"What is the difference between LIBOR and SOFR?","LIBOR was a forward-looking term rate — you knew the rate for the coming period at the start of it — and it carried a bank-credit and term premium, because it reflected unsecured interbank lending. SOFR is an overnight, near risk-free rate based on actual secured (repo) transactions in the US Treasury market. Because SOFR is overnight and backward-looking, a term interest amount is typically built by compounding the daily rate in arrears over the period, so you don't know the exact figure until near the end. That single structural difference — forward term rate with credit premium versus compounded overnight risk-free rate — is what drove most of the operational work in the transition.",{"question":333,"answer":334},"What are risk-free rates?","Risk-free reference rates (RFRs) are the family of benchmarks that replaced LIBOR: SOFR in the US dollar market, SONIA for sterling, €STR in the euro area, TONA in Japan and SARON in Switzerland. They're called near risk-free because they're overnight rates based on actual transactions and carry little bank-credit risk, unlike LIBOR's unsecured interbank premium. They're now the standard reference for floating-rate loans and derivatives in their respective currencies.",{},true,5.15,"\u002Fblog\u002Finterest-rate-benchmark-reform-libor-sofr","treasury-risk-management","LIBOR to SOFR transition","annual","reviewed","Tan Gravam","informational",{"title":5,"description":321},"blog\u002Finterest-rate-benchmark-reform-libor-sofr",[348,349,350,351,352],"treasury","risk-management","interest-rate-risk","libor","sofr","text","GHm-MHTAgnRl3O3KFECSrJHMcWYO1I8JG3XNdQyZqsQ",[356,360],{"title":357,"path":358,"stem":359,"type":353,"language":324,"draft":322,"children":-1},"Intercompany Netting: How It Works","\u002Fblog\u002Fintercompany-netting","blog\u002Fintercompany-netting",{"title":361,"path":43,"stem":362,"type":353,"language":324,"draft":322,"children":-1},"Interest Rate Hedging: Swaps, Caps, Collars and FRAs","blog\u002Finterest-rate-hedging-swaps-caps-collars",[364,367,369],{"path":38,"title":365,"description":366},"Interest Rate Risk in Corporate Treasury","Interest rate risk is when rates raise floating-rate debt costs or cut investment income. The main lever is the fixed\u002Ffloating mix; swaps and caps adjust it.",{"path":43,"title":361,"description":368},"The instruments treasury uses to hedge interest rate risk — swaps fix the rate, caps insure against rises, collars fund the cap, FRAs lock a single period.",{"path":302,"title":370,"description":371},"What Is Treasury Risk Management?","How a company identifies, measures and manages its financial risks — liquidity, FX, interest rate, counterparty — keeping risk within appetite, not at zero.",1785182340969]