I'd like to embed this cell in another web page (quoting you of course), but i can't because this cell does not have a name. I wonder if you could had one ? Thanks

Done! Names as "rollingChart"

Is there a way to exclude the current value from the frame, ie `[-3, -1]`?

No, all frames must include the current row. You might be able to achieve what you want through other means (for example, perhaps calculate around the current row and then invoke another derive call that uses op.lag).

Thanks!