SNB and RBNZ manage the width of NZDCHF's medium term band narrower than 15 % as permitted by the applicable agreement. The long term exchange rate target zone already turned to upward and the medium term exchange rate target zone already aligned and realigned to upward by market un-sterilization.
Too early to measure the average weighted rates (ATWR) or average weighted rate for NZDCHF to re-long/re-buy due to large anticipated risks from NZDUSD and USDCHF . Measurement could be undertaken when the anticipated risk from one of the pair already "nil" or zero.
Looking to re-long/re-buy for low to risk to risk free market entry rate on NZDCHF is possible by assessing the associated risks at "zero", and at such the re-long/re-buy become risk free trading position to target the expected profit.