HomeGlossaryRatchet Feature

Ratchet Feature

Tom Cochrane·Updated June 2026

Definition

A ratchet feature is a rider mechanic that locks in upward movements in the benefit base — or another rider-defined value — preventing subsequent decreases below the locked-in level, with the term used in some contracts as a synonym for the step-up provision and in others to describe a distinct mechanic with different timing or threshold rules.

Why it matters

The ratchet feature is named in commercial materials and contract documents alongside the step-up provision, and the relationship between the two terms is not consistent across the market. In some contracts they are interchangeable; in others, ratchet refers specifically to a one-way locking mechanism without a high-water-mark reset, or to a periodic reset that operates on a different schedule than the contract's standard anniversary cycle. Naming the term independently and acknowledging the contested usage is what allows the contract-specific mechanic to be characterized clearly in any specific case.

How it works

A ratchet feature, in its most common usage, operates by comparing the rider's current benefit base or guaranteed minimum to a triggering value at a specified evaluation point. If the triggering value is higher than the current rider value, the rider value is locked in at the higher level — ratcheted up — and cannot subsequently decrease below that level. The feature is one-way: ratchets typically apply only to upward movements, and the rider value continues at the locked-in level even if the underlying triggering value declines. Where the ratchet feature is used as a synonym for the step-up provision, the triggering value is the contract's account value at each anniversary. Where the ratchet feature is distinguished from the step-up provision, the triggering value is typically a different metric — a high-water mark of an underlying index value, a periodic actuarial calculation, or a threshold-driven trigger that operates only when the triggering value exceeds the rider value by a specified amount. Specific contract documents must be read for the exact mechanic in any case.

In practice

For an individual considering a rider with a ratchet feature, the operative questions are how the ratchet is triggered (account value at anniversary, index level, or some other measure), whether the ratchet operates automatically or is subject to carrier policy, and how the ratchet interacts with any step-up provision the rider may also include. A professional advising on a rider with a ratchet feature should be able to read the contract document and characterize the specific mechanic explicitly — including whether the contract uses ratchet and step-up as synonyms or as distinct features. Where the contract documents distinguish the two terms, the practical effect is typically a more conservative locking mechanism than a standard step-up and a correspondingly different cost-benefit profile.

In the Longevity Standard Framework

The ratchet feature is supporting structural vocabulary in the rider mechanics — it operates within the rider's overall claim-property profile rather than constituting a separate property of the underlying arrangement. Like the step-up provision, the ratchet feature interacts with the rider's adjustment mechanism property: a ratchet that operates mechanically on a defined schedule is automatic-actuarial in flavor within the rider's discretionary overall profile, while a ratchet subject to carrier-controlled triggers is itself discretionary. The ratchet does not change the underlying contract's overall liquidity value — that remains conditional during the contract's surrender period — but it modifies the rider value that interacts with other contract features. In the realized value calculation, ratchet features are part of the carrier's overall pricing of the rider's guarantee charge, and the contract-specific distinction between ratchet and step-up usages is what determines the precise mechanic the carrier is pricing.

  • Step-up provision
  • Benefit base
  • Roll-up rate
  • Guaranteed minimum withdrawal benefit (GMWB)
  • Guaranteed minimum income benefit (GMIB)
  • Guaranteed minimum death benefit (GMDB)
  • Account value
  • Adjustment mechanism