On 31st' May, PNBGILTS gained 6.4%. Now it is close to its all time high, which is 64.75. Post this region, it might gain a bit more.
Keep the stop loss at least below the support region which is respected since 2017 or to be safe, below 56.8 which is below the gap between 'Rising window' candles. (Cross reference with the chart)
PS: All the PNB stocks seem to be bullish and it is helping Gilts too.