Although of course a colour calibrator can't magically invent more colours, so if your panel can only do 80% sRGB, that's the absolute best a Spyder will get yo

Although of course a colour calibrator can't magically invent more colours, so if your panel can only do 80% sRGB, that's the absolute best a Spyder will get you. Still very much worth getting, but it won't fix a narrow gamut.