UnderlyingPaymentStubIndex2CapRate <40736> field
FIX 5.0 SP2 EP270
The cap rate, if any, which applies to the second floating rate. The cap rate (strike) is only required where the floating rate on a swap stream is capped at a certain level. The cap rate is assumed to be exclusive of any spread and is a per annum rate, expressed as a decimal. A cap rate of 5% would be represented as 0.05.