The net ex-dividend value after dividends is1.259-0.15 =1.109, but the net value itself will change on the day of dividends, so what you see is not this net value.
If you choose to invest in dividends, if the net value after ex-dividend is still 1. 109, then your dividend share is =1500/1.109 =1352.56.
No matter which dividend method you choose, the market value before and after the dividend is unchanged. What kind of dividend method you choose depends on your view of the fund market outlook. For example, if you think it will continue to rise, you will choose to pay dividends and vote again. If you don't think it will go up, you will choose cash dividends.