He hit the last 24 but he hasn't hit every one for Madrid. I can't name more than one off my head but he hit one about 20 yards wide vs Barcelona in the CL in 08.
"Ronaldo had converted 26 of 27 penalty kicks for Real Madrid". Thought it was 24/24, but oh well. He's only missed one since he's been at Madrid.
And the one he hit wide against Barca was when he was still at United. That's the same year we knocked them out in the semi