A collar hedge is a derivatives strategy used in legal and transactional practice to limit exposure within a band by combining a long put (to set a floor) with a short call (to set a cap) over the same underlying and term. In interest rate hedging, a collar typically means buying a rate cap and selling a rate floor on a borrower’s floating-rate debt; in equity hedging, it often means buying a protective put and selling a covered call over held shares. The premium from the sold leg may offset the bought leg (a “zero‑cost collar”).
“Collar hedge” is a market term, not defined in legislation or case law, but widely used across finance, corporate and restructuring contexts in England & Wales, Scotland, Northern Ireland and Ireland. It is commonly required to satisfy loan hedging covenants, manage commodity or FX risk, or stabilise value pending M&A or disposals.
Key legal features include ISDA-based documentation (Master Agreement, Schedule and Confirmations), collateral/margin arrangements, early termination and close-out mechanics, and potential security over shares in equity collars. Regulatory considerations apply: UK EMIR and FCA rules in the UK, and EU EMIR and Central Bank of Ireland rules in Ireland. Usage and documentation are broadly consistent...